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Investments in Associates (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Disclosure of associates [Line Items] |  |  |  |  |
Acquisition cost |  | ₩ 2,481,761 |  | ₩ 2,539,956 |
Book value |  |  |  |  |
Beginning balance |  | 4,251,802 |  | 4,064,820 |
Acquisition |  | 96,255 |  | 17,659 |
Disposal |  | (207) |  | 0 |
Dividends received |  | (98,175) |  | (136,012) |
Share of income (loss) |  | 59,092 |  | 37,418 |
Other comprehensive income (loss) |  | (48,911) |  | 39,199 |
Others (book value) |  | (9,069) |  | 228,718 |
Ending balance |  | ₩ 4,250,787 |  | ₩ 4,251,802 |
Korea Gas Corporation |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Importing and wholesaling LNG |  | Importing and wholesaling LNG |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 20.47% | [1] | 20.47% | [2]
Effective percentage of ownership | [3] | 22.02% |  | 21.57% |
Acquisition cost |  | ₩ 94,500 |  | ₩ 94,500 |
Book value |  |  |  |  |
Beginning balance |  | 1,693,967 |  | 1,701,848 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (7,182) |  | (25,704) |
Share of income (loss) |  | (14,104) |  | 8,511 |
Other comprehensive income (loss) |  | (25,023) |  | 12,687 |
Others (book value) |  | (333) |  | (3,375) |
Ending balance |  | 1,647,325 |  | 1,693,967 |
The fair value of associates |  | 584,010 |  | 715,365 |
Share in net assets |  | 1,703,281 |  | 1,757,205 |
Total assets |  | 35,909,775 |  | 39,311,855 |
Total liabilities |  | 28,174,619 |  | 31,165,334 |
Net assets |  | 7,735,156 |  | 8,146,521 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (55,956) |  | (63,238) |
Sales of Associates |  | 20,833,722 |  | 24,982,640 |
Profit (loss) for the period of Associates |  | ₩ (172,060) | [4] | ₩ 38,764 | [5]
Korea Electric Power Industrial Development Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Electricity metering and others |  | Electricity metering and others |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 4,727 |  | ₩ 4,727 |
Book value |  |  |  |  |
Beginning balance |  | 25,393 |  | 21,838 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (2,146) |  | (1,598) |
Share of income (loss) |  | 3,806 |  | 5,002 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | (1,423) |  | 151 |
Ending balance |  | 25,630 |  | 25,393 |
The fair value of associates |  | 45,048 |  | 33,089 |
Share in net assets |  | 25,630 |  | 25,393 |
Total assets |  | 164,015 |  | 186,434 |
Total liabilities |  | 75,636 |  | 98,872 |
Net assets |  | 88,379 |  | 87,562 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 297,962 |  | 306,026 |
Profit (loss) for the period of Associates |  | ₩ 16,284 |  | ₩ 17,467 |
YTN Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Broadcasting |  | Broadcasting |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 21.43% |  | 21.43% |
Effective percentage of ownership | [3] | 21.43% |  | 21.43% |
Acquisition cost |  | ₩ 59,000 |  | ₩ 59,000 |
Book value |  |  |  |  |
Beginning balance |  | 39,747 |  | 40,338 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (90) |  | (180) |
Share of income (loss) |  | 1,086 |  | (449) |
Other comprehensive income (loss) |  | (6) |  | 5 |
Others (book value) |  | (188) |  | 33 |
Ending balance |  | 40,549 |  | 39,747 |
The fair value of associates |  | 27,000 |  | 18,450 |
Share in net assets |  | 40,549 |  | 39,747 |
Total assets |  | 295,151 |  | 281,699 |
Total liabilities |  | 105,923 |  | 96,211 |
Net assets |  | 189,228 |  | 185,488 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 126,730 |  | 127,782 |
Profit (loss) for the period of Associates |  | ₩ 7,095 |  | ₩ (1,230) |
Cheongna Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Generating and distributing vapor and hot/cold water |  | Generating and distributing vapor and hot/cold water |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 43.90% |  | 43.90% |
Effective percentage of ownership | [3] | 43.90% |  | 43.90% |
Acquisition cost |  | ₩ 0 |  | ₩ 48,353 |
Book value |  |  |  |  |
Beginning balance |  | 1,411 |  | 3,465 |
Acquisition |  | 990 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 2,518 |  | (2,054) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | (4,919) |  | 0 |
Ending balance |  | 0 |  | 1,411 |
Share in net assets |  | 0 |  | (112) |
Total assets |  | 0 |  | 383,034 |
Total liabilities |  | 0 |  | 383,288 |
Net assets |  | 0 |  | (254) |
Investment differential |  | 0 |  | 2,584 |
Intercompany transaction |  | 0 |  | (1,061) |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 68,626 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ (2,567) |
Gangwon Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 15.00% |  | 15.00% |
Effective percentage of ownership | [3] | 15.00% |  | 15.00% |
Acquisition cost |  | ₩ 5,725 |  | ₩ 5,725 |
Book value |  |  |  |  |
Beginning balance |  | 12,327 |  | 13,220 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (1,988) |  | (2,272) |
Share of income (loss) |  | 1,104 |  | 1,379 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 11,443 |  | 12,327 |
Share in net assets |  | 11,394 |  | 12,278 |
Total assets |  | 77,297 |  | 83,528 |
Total liabilities |  | 1,336 |  | 1,674 |
Net assets |  | 75,961 |  | 81,854 |
Investment differential |  | 49 |  | 49 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 23,350 |  | 24,116 |
Profit (loss) for the period of Associates |  | ₩ 7,472 |  | ₩ 9,380 |
Hyundai Green Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 88,885 |  | ₩ 88,885 |
Book value |  |  |  |  |
Beginning balance |  | 124,253 |  | 127,160 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (8,889) |  | (8,889) |
Share of income (loss) |  | 17,410 |  | 5,982 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 132,774 |  | 124,253 |
Share in net assets |  | 132,774 |  | 124,253 |
Total assets |  | 874,574 |  | 1,086,738 |
Total liabilities |  | 416,732 |  | 658,279 |
Net assets |  | 457,842 |  | 428,459 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 390,442 |  | 507,653 |
Profit (loss) for the period of Associates |  | ₩ 55,591 |  | ₩ 26,222 |
Shareholders' agreements that may cause future economic resource or cash outflows |  | As of December 31, 2020, the Company has call option against the financial investors (Korea Development Bank and others) and also has an obligation to sell its shares in Hyundai Green Power Co., Ltd. when claimed by the financial investors at certain period of time in the future. Also, at certain period of time in the future, the Company has put option against Hyundai Steel Company and a third party designated by Hyundai Steel Company (collectively, "Hyundai Steel Group"), the operating investor of Hyundai Green Power Co., Ltd., according to the conditions of the agreement and also has an obligation to sell its shares upon request from Hyundai Steel Group. |  | As of December 31, 2019, Hyundai Green Power Co., Ltd., an associate of the Group, which engages in the byproduct gas power generating business, entered into a project financing agreement with a limit of W919.2 billion with Korea Development Bank and others. At a certain period in the future, the Group has call option against the financial investors (Korea Development Bank and others) and also has an obligation to purchase its shares when claimed by the financial investors. At a certain period in the future, the Group has put option against Hyundai Steel Company and a third party designated by Hyundai Steel Company (collectively, "Hyundai Steel Group"), the operating investor of Hyundai Green Power Co., Ltd., according to the conditions of the agreement and also has an obligation to sell its shares upon request from Hyundai Steel Company. |
Korea Power Exchange |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Management of power market and others |  | Management of power market and others |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 100.00% | [7] | 100.00% | [8]
Effective percentage of ownership | [3] | 100.00% |  | 100.00% |
Acquisition cost |  | ₩ 127,839 |  | ₩ 127,839 |
Book value |  |  |  |  |
Beginning balance |  | 258,899 |  | 251,802 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 1,860 |  | 10,907 |
Other comprehensive income (loss) |  | 1 |  | 0 |
Others (book value) |  | 8,362 |  | (3,810) |
Ending balance |  | 269,122 |  | 258,899 |
Share in net assets |  | 269,122 |  | 260,757 |
Total assets |  | 337,577 |  | 315,683 |
Total liabilities |  | 68,455 |  | 54,926 |
Net assets |  | 269,122 |  | 260,757 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | (1,858) |
Sales of Associates |  | 104,698 |  | 107,034 |
Profit (loss) for the period of Associates |  | ₩ 979 |  | ₩ 8,268 |
AMEC Partners Korea Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Resources development |  | Resources development |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 19.00% |  | 19.00% |
Effective percentage of ownership | [3] | 19.00% |  | 19.00% |
Acquisition cost |  | ₩ 0 |  | ₩ 0 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 209 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 3 |
Others (book value) |  | 0 |  | (212) |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 0 |  | 0 |
Total assets |  | 0 |  |  |
Total liabilities |  | 0 |  |  |
Net assets |  | 0 |  |  |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ 0 |
DAYONE Energy Co., Ltd. (formerly, Hyundai Energy Co., Ltd.) |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 30.66% |  | 30.66% | [9]
Effective percentage of ownership | [3] | 46.30% |  | 46.30% |
Acquisition cost |  | ₩ 0 |  | ₩ 71,070 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 0 |  | (39,217) |
Total assets |  | 0 |  | 465,238 |
Total liabilities |  | 0 |  | 549,940 |
Net assets |  | 0 |  | (84,702) |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | (954) |
Others (consolidated FS) |  | 0 |  | 40,171 |
Sales of Associates |  | 0 |  | 91,842 |
Profit (loss) for the period of Associates |  | 0 |  | (27,882) |
Unrecognized equity interest |  | (14,035) |  | 12,890 |
Accumulated unrecognized equity interest |  | ₩ 24,696 |  | ₩ 38,731 |
Shareholders' agreements that may cause future economic resource or cash outflows |  |  |  | The Company had placed guarantees for a fixed return on the investment to NH Power II Co., Ltd. and National Agricultural Cooperative Federation ("NACF") and had obtained the rights to acquire the investment securities in return preferentially. In addition, NH Power II Co., Ltd. and NACF have a right, which can be exercised for 30 days starting from 2 months to 1 month prior to 17 years after the termination date of the contract to sell their shares to the Company. |
Ecollite Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Artificial light-weight aggregate |  | Artificial light-weight aggregate |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 0.00% |  | 36.10% |
Effective percentage of ownership | [3] | 0.00% |  | 36.10% |
Acquisition cost |  | ₩ 0 |  | ₩ 1,516 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 | [10] | 0 |
Share in net assets |  | 0 |  | 554 |
Total assets |  | 0 |  | 1,838 |
Total liabilities |  | 0 |  | 304 |
Net assets |  | 0 |  | 1,534 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | (554) |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ (97) |
Taebaek Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 25.00% |  | 25.00% |
Effective percentage of ownership | [3] | 25.00% |  | 25.00% |
Acquisition cost |  | ₩ 3,810 |  | ₩ 3,810 |
Book value |  |  |  |  |
Beginning balance |  | 7,039 |  | 5,665 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (175) |  | 0 |
Share of income (loss) |  | (472) |  | 1,374 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 6,392 |  | 7,039 |
Share in net assets |  | 6,392 |  | 7,039 |
Total assets |  | 28,048 |  | 36,182 |
Total liabilities |  | 2,480 |  | 8,027 |
Net assets |  | 25,568 |  | 28,155 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 4,364 |  | 6,177 |
Profit (loss) for the period of Associates |  | ₩ (561) |  | ₩ 5,494 |
Shareholders' agreements that may cause future economic resource or cash outflows |  | In the case where non-controlling shareholders decide to dispose of their shares in Taebaek Wind Power Co., Ltd. after the warrant period of defect repair for wind power generator has expired, the Company acquires those shares at fair value. The acquisition is to be made after the conditions of the acquisition are discussed among the parties involved, with consideration of various factors such as financial status and business situation. |  | In the case where non-controlling shareholders decide to dispose of their shares in Taebaek Wind Power Co., Ltd. after the warrant period of defect repair for wind power generator has expired, the Group acquires those shares at fair value. The acquisition is to be made after the conditions of the acquisition are discussed among the parties involved, with consideration of various factors such as financial status and business situation. |
Significant restrictions on its abilities |  |  |  | Financial institutions can reject or defer an approval with regard to the request for fund executions on subordinated loans of shareholders in order to pay senior loans based on the loan agreement. Dividends can only be paid when all conditions of the loan agreement are satisfied or prior written consent of financial institutions is obtained. Shares cannot be wholly or partially transferred without prior written consent of financial institutions is obtained. |
Taeback Guinemi Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 25.00% |  | 25.00% |
Effective percentage of ownership | [3] | 25.00% |  | 25.00% |
Acquisition cost |  | ₩ 3,420 |  | ₩ 3,420 |
Book value |  |  |  |  |
Beginning balance |  | 2,553 |  | 2,569 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 534 |  | (16) |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 3,087 |  | 2,553 |
Share in net assets |  | 3,087 |  | 2,553 |
Total assets |  | 44,434 |  | 35,061 |
Total liabilities |  | 32,085 |  | 24,847 |
Net assets |  | 12,349 |  | 10,214 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 5,023 |  | 349 |
Profit (loss) for the period of Associates |  | ₩ 1,368 |  | ₩ (61) |
Shareholders' agreements that may cause future economic resource or cash outflows |  |  |  | At the commencement of the operation of the faciliity, the Group has a right to purchase all or part of the shares from the shareholders at fair value. |
Significant restrictions on its abilities |  | Dividends can only be paid when all conditions of the shareholder's agreement are satisfied. Also, shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Dividends can only be paid when all conditions of the shareholder's agreement are satisfied. Also, shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
Pyeongchang Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 25.00% |  | 25.00% |
Effective percentage of ownership | [3] | 25.00% |  | 25.00% |
Acquisition cost |  | ₩ 3,875 |  | ₩ 3,875 |
Book value |  |  |  |  |
Beginning balance |  | 5,877 |  | 5,419 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  |  |
Dividends received |  | (813) |  |  |
Share of income (loss) |  | (37) |  | 458 |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 5,027 |  | 5,877 |
Share in net assets |  | 5,027 |  | 5,877 |
Total assets |  | 72,713 |  | 79,756 |
Total liabilities |  | 52,606 |  | 56,248 |
Net assets |  | 20,107 |  | 23,508 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 8,387 |  | 10,713 |
Profit (loss) for the period of Associates |  | ₩ (154) |  | ₩ 2,010 |
Shareholders' agreements that may cause future economic resource or cash outflows |  | In the case where non-controlling shareholders decide to dispose of their shares in Pyeongchang Wind Power Co., Ltd. after commercial operation of the power plant has started, the Company acquires those shares at fair value. The acquisition is to be made after the conditions of the acquisition are discussed among the parties involved, with the careful consideration of various factors such as financial status and business situation. The Company is under agreement of O&M with the entity. Pursuant to the agreement, the Company guarantees a certain level of utilization rate and it is obligated to pay the penalty in the event of suspension in power generating. |  | In the case where non-controlling shareholders decide to dispose of their shares in Pyeongchang Wind Power Co., Ltd. after commercial operation of the power plant has started, the Group acquires those shares at fair value. The acquisition is to be made after the conditions of the acquisition are discussed among the parties involved, with the careful consideration of various factors such as financial status and business situation. |
Significant restrictions on its abilities |  | Principals and interests on subordinated loans or dividends can only be paid when all conditions of the loan agreement are satisfied or prior written consent of financial institutions is obtained. Shares cannot be wholly or partially transferred without prior consent of the stakeholders. |  | Principals on subordinated loans or dividends can only be paid when all conditions of the loan agreement are satisfied or prior written consent of financial institutions is obtained. Shares cannot be wholly or partially transferred without prior written consent of financial institutions is obtained. |
Daeryun Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 9.34% |  | 9.34% |
Effective percentage of ownership | [3] | 9.34% |  | 9.34% |
Acquisition cost |  | ₩ 40,854 |  | ₩ 40,854 |
Book value |  |  |  |  |
Beginning balance |  | 26,247 |  | 26,099 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 104 |  | 173 |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 2 |  | (25) |
Ending balance |  | 26,353 |  | 26,247 |
Share in net assets |  | 27,173 |  | 27,066 |
Total assets |  | 789,277 |  | 802,546 |
Total liabilities |  | 498,346 |  | 512,757 |
Net assets |  | 290,931 |  | 289,789 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (820) |  | (819) |
Sales of Associates |  | 126,343 |  | 163,129 |
Profit (loss) for the period of Associates |  | ₩ 1,941 |  | ₩ 1,836 |
Shareholders' agreements that may cause future economic resource or cash outflows |  | The Company reserves the right to participate in the transfer of shares in Daeryun Power Co., Ltd. on the same terms as Daeryun E&S Co., Ltd., if Daeryun E&S Co., Ltd. wishes to transfer its shares in Daeryun Power Co., Ltd. |  |  |
Significant restrictions on its abilities |  | Principals and interests on subordinated loans or dividends can only be paid when all conditions of the loan agreement are satisfied or prior written consent of financial institutions. Shares cannot be wholly or partially transferred without prior consent of the majority of major stakeholders. |  | Principals on subordinated loans or dividends can only be paid when all conditions of the loan agreement are satisfied or prior written consent of financial institutions is obtained and Shares cannot be wholly or partially transferred without consent of the majority of lenders is obtained. |
Changjuk Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 30.00% |  | 30.00% |
Effective percentage of ownership | [3] | 30.00% |  | 30.00% |
Acquisition cost |  | ₩ 3,801 |  | ₩ 3,801 |
Book value |  |  |  |  |
Beginning balance |  | 8,520 |  | 8,086 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (750) |  | 0 |
Share of income (loss) |  | 97 |  | 434 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 7,867 |  | 8,520 |
Share in net assets |  | 7,867 |  | 8,520 |
Total assets |  | 27,515 |  | 29,875 |
Total liabilities |  | 1,292 |  | 1,476 |
Net assets |  | 26,223 |  | 28,399 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 4,777 |  | 6,076 |
Profit (loss) for the period of Associates |  | ₩ 656 |  | ₩ 1,447 |
KNH Solar Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 27.00% |  | 27.00% |
Effective percentage of ownership | [3] | 27.00% |  | 27.00% |
Acquisition cost |  | ₩ 1,296 |  | ₩ 1,296 |
Book value |  |  |  |  |
Beginning balance |  | 2,382 |  | 2,337 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 54 |  | 45 |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 2,436 |  | 2,382 |
Share in net assets |  | 2,436 |  | 2,382 |
Total assets |  | 18,240 |  | 20,465 |
Total liabilities |  | 9,219 |  | 11,641 |
Net assets |  | 9,021 |  | 8,824 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 3,564 |  | 3,377 |
Profit (loss) for the period of Associates |  | ₩ 728 |  | ₩ 278 |
Significant restrictions on its abilities |  | Principals and interests on subordinated loans or dividends to shareholders cannot be paid without written consent of financial institutions. Also, shares cannot be wholly or partially transferred without the consent of other shareholders. |  | Principal and interest, dividends to shareholders cannot be paid without written consent of financial institutions. Also, Shares cannot be wholly or partially transferred without consent of other shareholders is obtained. |
SPC Power Corporation |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | PHILIPPINES |  | PHILIPPINES |
Percentage of ownership |  | 38.00% |  | 38.00% |
Effective percentage of ownership | [3] | 38.00% |  | 38.00% |
Acquisition cost |  | ₩ 20,635 |  | ₩ 20,635 |
Book value |  |  |  |  |
Beginning balance |  | 63,583 |  | 57,558 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (10,764) |  | (14,229) |
Share of income (loss) |  | 5,491 |  | 5,929 |
Other comprehensive income (loss) |  | 11,649 |  | 14,286 |
Others (book value) |  | (47) |  | 39 |
Ending balance |  | 69,912 |  | 63,583 |
The fair value of associates |  | 139,698 |  | 117,230 |
Share in net assets |  | 90,348 |  | 86,672 |
Total assets |  | 255,462 |  | 250,544 |
Total liabilities |  | 17,705 |  | 22,459 |
Net assets |  | 237,757 |  | 228,085 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (20,436) |  | (23,089) |
Sales of Associates |  | 47,091 |  | 63,218 |
Profit (loss) for the period of Associates |  | ₩ 39,677 |  | ₩ 39,876 |
Gemeng International Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | CHINA |  | CHINA |
Percentage of ownership |  | 34.00% |  | 34.00% |
Effective percentage of ownership | [3] | 34.00% |  | 34.00% |
Acquisition cost |  | ₩ 413,153 |  | ₩ 413,153 |
Book value |  |  |  |  |
Beginning balance |  | 670,896 |  | 647,010 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (11,620) |  | (11,468) |
Share of income (loss) |  | 15,965 |  | 26,300 |
Other comprehensive income (loss) |  | 4,468 |  | 9,209 |
Others (book value) |  | (1) |  | (155) |
Ending balance |  | 679,708 |  | 670,896 |
Share in net assets |  | 679,709 |  | 670,896 |
Total assets |  | 7,427,157 |  | 6,758,957 |
Total liabilities |  | 5,428,013 |  | 4,785,740 |
Net assets |  | 1,999,144 |  | 1,973,217 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (1) |  | 0 |
Sales of Associates |  | 1,955,707 |  | 2,024,730 |
Profit (loss) for the period of Associates |  | ₩ 64,077 |  | ₩ 95,435 |
Shareholders' agreements that may cause future economic resource or cash outflows |  | Gemeng International Energy Co., Ltd. issued put options on 8% of its shares to its financial investors, KEPCO Woori Sprott PEF (NPS Co-Pa PEF). If the investment fund is not collected until the maturity date (December 25, 2023, two years extension is possible), PEF can exercise the option at strike price which is the same as a principal investment price (including operating fees ratio of below 1% per annum), and also, the Company provided a performance guarantee on this agreement. |  | Gemeng International Energy Co., Ltd. issued put options on 8% of its shares to its financial investors, KEPCO Woori Sprott PEF (NPS Co-Pa PEF). If the investment fund is not collected until the maturity date (December 25, 2023, two years extension is possible), PEF can exercise the option at strike price which is the same as a principal investment price (including operating fees ratio of below 1% per annum), and also, the Group provided a performance guarantee on this agreement. |
PT. Cirebon Electric Power |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | INDONESIA |  | INDONESIA |
Percentage of ownership |  | 27.50% |  | 27.50% |
Effective percentage of ownership | [3] | 27.50% |  | 27.50% |
Acquisition cost |  | ₩ 40,365 |  | ₩ 40,365 |
Book value |  |  |  |  |
Beginning balance |  | 123,425 |  | 108,628 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (9,782) |  |  |
Share of income (loss) |  | 11,330 |  | 11,079 |
Other comprehensive income (loss) |  | 434 |  | (65) |
Others (book value) |  | (7,596) |  | 3,783 |
Ending balance |  | 117,811 |  | 123,425 |
Share in net assets |  | 117,811 |  | 123,425 |
Total assets |  | 730,020 |  | 852,457 |
Total liabilities |  | 301,615 |  | 403,639 |
Net assets |  | 428,405 |  | 448,818 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 246,014 |  | 277,370 |
Profit (loss) for the period of Associates |  | ₩ 40,676 |  | ₩ 39,581 |
KNOC Nigerian East Oil Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Resources development |  | Resources development |
Location |  | NIGERIA |  | NIGERIA |
Percentage of ownership |  | 14.63% | [11] | 14.63% | [12]
Effective percentage of ownership | [3] | 14.63% |  | 14.63% |
Acquisition cost |  | ₩ 12 |  | ₩ 12 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (22) |  | (27) |
Other comprehensive income (loss) |  | 671 |  | (380) |
Others (book value) |  | (649) |  | 407 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | (10,464) |  | (11,113) |
Total assets |  | 22,215 |  | 58,402 |
Total liabilities |  | 93,736 |  | 134,361 |
Net assets |  | (71,521) |  | (75,959) |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 10,464 |  | 11,113 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (142) |  | ₩ (182) |
KNOC Nigerian West Oil Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Resources development |  | Resources development |
Location |  | NIGERIA |  | NIGERIA |
Percentage of ownership |  | 14.63% | [11] | 14.63% | [12]
Effective percentage of ownership | [3] | 14.63% |  | 14.63% |
Acquisition cost |  | ₩ 12 |  | ₩ 12 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (22) |  | (29) |
Other comprehensive income (loss) |  | 617 |  | (349) |
Others (book value) |  | (595) |  | 378 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | (9,618) |  | (10,213) |
Total assets |  | 23,999 |  | 54,275 |
Total liabilities |  | 89,739 |  | 124,086 |
Net assets |  | (65,740) |  | (69,811) |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 9,618 |  | 10,213 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (142) |  | ₩ (180) |
PT Wampu Electric Power |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | INDONESIA |  | INDONESIA |
Percentage of ownership |  | 46.00% |  | 46.00% |
Effective percentage of ownership | [3] | 46.00% |  | 46.00% |
Acquisition cost |  | ₩ 21,292 |  | ₩ 21,292 |
Book value |  |  |  |  |
Beginning balance |  | 29,355 |  | 31,097 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (1,303) |  | 0 |
Share of income (loss) |  | 3,245 |  | (2,867) |
Other comprehensive income (loss) |  | (1,639) |  | 2 |
Others (book value) |  | (1,793) |  | 1,123 |
Ending balance |  | 27,865 |  | 29,355 |
Share in net assets |  | 27,865 |  | 29,355 |
Total assets |  | 199,841 |  | 222,266 |
Total liabilities |  | 139,264 |  | 158,451 |
Net assets |  | 60,577 |  | 63,815 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 20,265 |  | 18,165 |
Profit (loss) for the period of Associates |  | ₩ 7,372 |  | ₩ (2,315) |
PT. Bayan Resources TBK |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Resources development |  | Resources development |
Location |  | INDONESIA |  | INDONESIA |
Percentage of ownership |  | 20.00% |  | 20.00% |
Effective percentage of ownership | [3] | 20.00% |  | 20.00% |
Acquisition cost |  | ₩ 615,860 |  | ₩ 615,860 |
Book value |  |  |  |  |
Beginning balance |  | 445,141 |  | 511,646 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (15,720) |  | (71,100) |
Share of income (loss) |  | 17,139 |  | 6,181 |
Other comprehensive income (loss) |  | (21,256) |  | (1,586) |
Others (book value) |  | (70) |  | 0 |
Ending balance |  | 425,234 |  | 445,141 |
The fair value of associates |  | 798,510 |  | 880,860 |
Share in net assets |  | 149,949 |  | 136,012 |
Total assets |  | 1,544,875 |  | 1,302,637 |
Total liabilities |  | 795,131 |  | 622,576 |
Net assets |  | 749,744 |  | 680,061 |
Investment differential |  | 351,662 |  | 385,508 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (76,377) |  | (76,379) |
Sales of Associates |  | 1,646,390 |  | 1,707,387 |
Profit (loss) for the period of Associates |  | ₩ 219,406 |  | ₩ 252,855 |
S-Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 49.00% |  | 49.00% |
Effective percentage of ownership | [3] | 49.00% |  | 49.00% |
Acquisition cost |  | ₩ 132,300 |  | ₩ 132,300 |
Book value |  |  |  |  |
Beginning balance |  | 115,784 |  | 114,566 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (5,429) |  | 1,218 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | (63) |  | 0 |
Ending balance |  | 110,292 |  | 115,784 |
Share in net assets |  | 111,802 |  | 117,403 |
Total assets |  | 782,561 |  | 805,622 |
Total liabilities |  | 554,393 |  | 566,025 |
Net assets |  | 228,168 |  | 239,597 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | (1,510) |  | (1,619) |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 421,519 |  | 576,554 |
Profit (loss) for the period of Associates |  | ₩ (10,805) |  | ₩ 2,319 |
Pioneer Gas Power Limited |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | INDIA |  | INDIA |
Percentage of ownership |  | 38.50% |  | 38.50% |
Effective percentage of ownership | [3] | 38.50% |  | 38.50% |
Acquisition cost |  | ₩ 49,831 |  | ₩ 49,831 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 20,395 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | (20,784) |
Other comprehensive income (loss) |  | 0 |  | 389 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | (38,284) |  | (22,459) |
Total assets |  | 260,344 |  | 309,059 |
Total liabilities |  | 359,790 |  | 367,399 |
Net assets |  | (99,446) |  | (58,340) |
Investment differential |  | 22,278 |  | 22,278 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 16,006 |  | 181 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | (44,568) |  | (54,501) |
Unrecognized equity interest |  | 15,824 |  | 114 |
Accumulated unrecognized equity interest |  | ₩ 15,938 |  | ₩ 114 |
Eurasia Energy Holdings |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation and resources development |  | Power generation and resources development |
Location |  | RUSSIA |  | RUSSIA |
Percentage of ownership |  | 40.00% |  | 40.00% |
Effective percentage of ownership | [3] | 40.00% |  | 40.00% |
Acquisition cost |  | ₩ 461 |  | ₩ 461 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | (175) |  | (186) |
Total assets |  | 556 |  | 592 |
Total liabilities |  | 993 |  | 1,056 |
Net assets |  | (437) |  | (464) |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 175 |  | 186 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | 0 |  | 0 |
Unrecognized equity interest |  | (10) |  | 6 |
Accumulated unrecognized equity interest |  | ₩ 175 |  | ₩ 185 |
Xe-Pian Xe-Namnoy Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | LAOS |  | LAOS |
Percentage of ownership |  | 25.00% |  | 25.00% |
Effective percentage of ownership | [3] | 25.00% |  | 25.00% |
Acquisition cost |  | ₩ 87,426 |  | ₩ 87,426 |
Book value |  |  |  |  |
Beginning balance |  | 72,935 |  | 77,165 |
Acquisition |  | 0 |  | 3,052 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (2,896) |  | (10,210) |
Other comprehensive income (loss) |  | (5,469) |  | 2,928 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 64,570 |  | 72,935 |
Share in net assets |  | 65,665 |  | 74,026 |
Total assets |  | 1,138,994 |  | 1,194,125 |
Total liabilities |  | 876,336 |  | 898,023 |
Net assets |  | 262,658 |  | 296,102 |
Investment differential |  | 305 |  | 305 |
Intercompany transaction |  | (1,110) |  | (1,106) |
Others (consolidated FS) |  | (290) |  | (290) |
Sales of Associates |  | 140,069 |  | 6,731 |
Profit (loss) for the period of Associates |  | ₩ (11,318) |  | ₩ (40,437) |
Hadong Mineral Fiber Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Recycling fly ashes |  | Recycling fly ashes |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 8.33% |  | 8.33% |
Effective percentage of ownership | [3] | 8.33% |  | 8.33% |
Acquisition cost |  | ₩ 50 |  | ₩ 50 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | (2) |  | (2) |
Total assets |  | 203 |  | 203 |
Total liabilities |  | 231 |  | 231 |
Net assets |  | (28) |  | (28) |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 2 |  | 2 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | 0 |  | 0 |
Unrecognized equity interest |  |  |  | 0 |
Accumulated unrecognized equity interest |  | ₩ 2 |  | ₩ 2 |
Green Biomass Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 7.85% |  | 7.85% | [13]
Effective percentage of ownership | [3] | 7.85% |  | 7.85% |
Acquisition cost |  | ₩ 0 |  | ₩ 714 |
Book value |  |  |  |  |
Beginning balance |  | 108 |  | 115 |
Acquisition |  | 0 |  | 0 |
Disposal |  | (108) |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | (73) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 66 |
Ending balance |  | 0 |  | 108 |
Share in net assets |  | 0 |  | 108 |
Total assets |  | 0 |  | 3,866 |
Total liabilities |  | 0 |  | 2,487 |
Net assets |  | 0 |  | 1,379 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 17 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ (925) |
PT. Mutiara Jawa |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Manufacturing and operating floating coal terminal |  | Manufacturing and operating floating coal terminal |
Location |  | INDONESIA |  | INDONESIA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 2,978 |  | ₩ 2,978 |
Book value |  |  |  |  |
Beginning balance |  | 1,438 |  | 365 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 459 |  | 1,031 |
Other comprehensive income (loss) |  | (117) |  | 42 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 1,780 |  | 1,438 |
Share in net assets |  | 1,780 |  | 1,438 |
Total assets |  | 23,061 |  | 26,109 |
Total liabilities |  | 16,923 |  | 21,150 |
Net assets |  | 6,138 |  | 4,959 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 7,946 |  | 11,196 |
Profit (loss) for the period of Associates |  | ₩ 2,523 |  | 3,396 |
Unrecognized equity interest |  |  |  | 0 |
Accumulated unrecognized equity interest |  |  |  | ₩ 0 |
Samcheok Eco Materials Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Recycling fly ashes |  | Recycling fly ashes |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [14] | 2.35% |  | 2.35% |
Effective percentage of ownership | [3] | 25.54% |  | 25.54% |
Acquisition cost |  | ₩ 686 |  | ₩ 686 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 5,983 |  | 5,980 |
Total assets |  | 24,024 |  | 26,625 |
Total liabilities |  | 598 |  | 3,209 |
Net assets |  | 23,426 |  | 23,416 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (5,983) |  | (5,980) |
Sales of Associates |  | 10,483 |  | 10,876 |
Profit (loss) for the period of Associates |  | 23 |  | 1,946 |
Unrecognized equity interest |  | (3) |  | (497) |
Accumulated unrecognized equity interest |  | ₩ 785 |  | ₩ 788 |
Shareholders' agreements that may cause future economic resource or cash outflows |  | For Samcheok Eco Materials Co., Ltd., ordinary shareholders have the right to buy the shares of preferred shareholders if preferred shareholders intend to sell their preferred stock until December 26, 2023, and ordinary shareholders shall guarantee the investment principle of preferred shareholders. |  |  |
Significant restrictions on its abilities |  | Dividends can only be paid when all conditions of the shareholder's agreement are satisfied. Also, shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Dividends can only be paid when all conditions of the shareholder's agreement are satisfied. Also, shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
Noeul Green Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 1,740 |  | ₩ 1,740 |
Book value |  |  |  |  |
Beginning balance |  | 6,610 |  | 8,015 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (2,413) |  | (1,395) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | (10) |
Ending balance |  | 4,197 |  | 6,610 |
Share in net assets |  | 4,197 |  | 6,610 |
Total assets |  | 116,929 |  | 137,370 |
Total liabilities |  | 102,457 |  | 114,578 |
Net assets |  | 14,472 |  | 22,792 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 27,486 |  | 36,435 |
Profit (loss) for the period of Associates |  | ₩ (8,303) |  | ₩ (4,810) |
Naepo Green Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 41.67% |  | 41.67% |
Effective percentage of ownership | [3] | 41.67% |  | 41.67% |
Acquisition cost |  | ₩ 0 |  | ₩ 29,200 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (9,789) |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 9,789 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 0 |  | (9,281) |
Total assets |  | 0 |  | 77,070 |
Total liabilities |  | 0 |  | 99,345 |
Net assets |  | 0 |  | (22,275) |
Investment differential |  | 0 |  | 2 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 9,279 |
Sales of Associates |  | 0 |  | 6,572 |
Profit (loss) for the period of Associates |  | 0 |  | (31,577) |
Unrecognized equity interest |  | (7,003) |  | 9,281 |
Accumulated unrecognized equity interest |  | ₩ 2,278 |  | ₩ 9,281 |
Significant restrictions on its abilities |  | Dividends can only be paid when all conditions of the loan agreement are satisfied. Also, Shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
Goseong Green Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 1.12% |  | 1.12% |
Effective percentage of ownership | [3] | 1.12% |  | 1.12% |
Acquisition cost |  | ₩ 2,900 |  | ₩ 2,900 |
Book value |  |  |  |  |
Beginning balance |  | 2,340 |  | 2,459 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (154) |  | (119) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 2,186 |  | 2,340 |
Share in net assets |  | 2,324 |  | 2,474 |
Total assets |  | 4,559,480 |  | 3,399,058 |
Total liabilities |  | 4,351,119 |  | 3,177,210 |
Net assets |  | 208,361 |  | 221,848 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | (138) |  | (134) |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (12,280) |  | ₩ (10,276) |
Gangneung Eco Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 1.61% |  | 1.61% |
Effective percentage of ownership | [3] | 1.61% |  | 1.61% |
Acquisition cost |  | ₩ 2,900 |  | ₩ 2,900 |
Book value |  |  |  |  |
Beginning balance |  | 2,430 |  | 2,495 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (62) |  | (65) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 2,368 |  | 2,430 |
Share in net assets |  | 2,496 |  | 2,553 |
Total assets |  | 2,630,752 |  | 1,362,692 |
Total liabilities |  | 2,475,848 |  | 1,204,202 |
Net assets |  | 154,904 |  | 158,490 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | (128) |  | (123) |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (3,623) |  | ₩ (3,830) |
Shin Pyeongtaek Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 40.00% |  | 40.00% |
Effective percentage of ownership | [3] | 40.00% |  | 40.00% |
Acquisition cost |  | ₩ 72,000 |  | ₩ 72,000 |
Book value |  |  |  |  |
Beginning balance |  | 66,956 |  | 67,600 |
Acquisition |  | 0 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 11,877 |  | (827) |
Other comprehensive income (loss) |  | (3,604) |  | 198 |
Others (book value) |  | (5,638) |  | (15) |
Ending balance |  | 69,591 |  | 66,956 |
Share in net assets |  | 82,512 |  | 69,712 |
Total assets |  | 1,020,650 |  | 981,387 |
Total liabilities |  | 814,369 |  | 807,107 |
Net assets |  | 206,281 |  | 174,280 |
Investment differential |  | 3,559 |  | 12,800 |
Intercompany transaction |  | (16,480) |  | (15,556) |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 520,468 |  | 119,162 |
Profit (loss) for the period of Associates |  | ₩ 32,002 |  | ₩ 11,847 |
Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 28.00% |  | 28.00% |
Effective percentage of ownership | [3] | 28.00% |  | 28.00% |
Acquisition cost |  | ₩ 194 |  | ₩ 194 |
Book value |  |  |  |  |
Beginning balance |  | 215 |  | 202 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (5) |  | 13 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 210 |  | 215 |
Share in net assets |  | 208 |  | 213 |
Total assets |  | 2,001 |  | 2,483 |
Total liabilities |  | 1,258 |  | 1,722 |
Net assets |  | 743 |  | 761 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 2 |  | 2 |
Sales of Associates |  | 387 |  | 454 |
Profit (loss) for the period of Associates |  | ₩ (11) |  | ₩ 47 |
Dongducheon Dream Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [15] | 33.61% |  | 33.61% |
Effective percentage of ownership | [3] | 34.01% |  | 34.01% |
Acquisition cost |  | ₩ 148,105 |  | ₩ 148,105 |
Book value |  |  |  |  |
Beginning balance |  | 76,547 |  | 76,386 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 4,095 |  | 441 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | (5) |  | (280) |
Ending balance |  | 80,637 |  | 76,547 |
Share in net assets |  | 94,791 |  | 91,060 |
Total assets |  | 1,374,640 |  | 1,474,224 |
Total liabilities |  | 1,095,926 |  | 1,206,478 |
Net assets |  | 278,714 |  | 267,746 |
Investment differential |  | 1,757 |  | 1,757 |
Intercompany transaction |  | (3,329) |  | (3,688) |
Others (consolidated FS) |  | (12,582) |  | (12,582) |
Sales of Associates |  | 524,890 |  | 689,414 |
Profit (loss) for the period of Associates |  | ₩ 10,982 |  | ₩ 2,849 |
Jinbhuvish Power Generation Pvt. Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | INDIA |  | INDIA |
Percentage of ownership | [6] | 5.16% |  | 5.16% |
Effective percentage of ownership | [3] | 5.16% |  | 5.16% |
Acquisition cost |  | ₩ 9,000 | [16] | ₩ 9,000 | [17]
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 2,403 |  | 2,625 |
Total assets |  | 58,699 |  | 64,111 |
Total liabilities |  | 12,122 |  | 13,240 |
Net assets |  | 46,577 |  | 50,871 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (2,403) |  | (2,625) |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ 0 |
SE Green Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 84.80% |  | 84.80% |
Effective percentage of ownership | [3] | 84.80% |  | 84.80% |
Acquisition cost |  | ₩ 0 |  | ₩ 0 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 3,366 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | (75) |
Others (book value) |  | 0 |  | (3,291) |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 0 |  | 0 |
Total assets |  | 0 |  | 0 |
Total liabilities |  | 0 |  | 0 |
Net assets |  | 0 |  | 0 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ 0 |
Daejung Offshore Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 46.59% |  | 49.90% | [18]
Effective percentage of ownership | [3] | 46.59% |  | 49.90% |
Acquisition cost |  | ₩ 5,190 |  | ₩ 5,190 |
Book value |  |  |  |  |
Beginning balance |  | 2,361 |  |  |
Acquisition |  | 0 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | (411) |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 215 |  | 2,361 |
Ending balance |  | 2,165 |  | 2,361 |
Share in net assets |  | 2,165 |  | 2,361 |
Total assets |  | 6,281 |  | 6,181 |
Total liabilities |  | 1,634 |  | 1,450 |
Net assets |  | 4,647 |  | 4,731 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (810) |  | ₩ (617) |
Significant restrictions on its abilities |  | Before the commencement of the operation, shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Before the commencement of the operation, shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
GS Donghae Electric Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 34.00% |  | 34.00% | [18]
Effective percentage of ownership | [3] | 34.00% |  | 34.00% |
Acquisition cost |  | ₩ 204,000 |  | ₩ 204,000 |
Book value |  |  |  |  |
Beginning balance |  | 255,983 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (25,796) |  | 0 |
Share of income (loss) |  | 14,265 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | (26) |  | 255,983 |
Ending balance |  | 244,426 |  | 255,983 |
Share in net assets |  | 244,426 |  | 255,983 |
Total assets |  | 2,174,835 |  | 2,301,774 |
Total liabilities |  | 1,455,935 |  | 1,548,883 |
Net assets |  | 718,900 |  | 752,891 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 685,579 |  | 688,055 |
Profit (loss) for the period of Associates |  | ₩ 41,955 |  | ₩ 75,842 |
Significant restrictions on its abilities |  | Dividends can only be paid when all conditions of the loan agreement are satisfied. Also, shares cannot be wholly or partially transferred without the consent of the stakeholders. |  |  |
Daegu Photovoltaic Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 1,230 |  | ₩ 1,230 |
Book value |  |  |  |  |
Beginning balance |  | 2,060 |  | 2,002 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (325) |  | (327) |
Share of income (loss) |  | 331 |  | 385 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 2,066 |  | 2,060 |
Share in net assets |  | 2,066 |  | 2,060 |
Total assets |  | 13,843 |  | 15,486 |
Total liabilities |  | 6,718 |  | 8,385 |
Net assets |  | 7,125 |  | 7,101 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 3,343 |  | 3,639 |
Profit (loss) for the period of Associates |  | ₩ 1,149 |  | ₩ 1,442 |
Busan Green Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 5,243 |  | ₩ 5,243 |
Book value |  |  |  |  |
Beginning balance |  | 10,637 |  | 12,537 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (1,862) |  | (1,884) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 3 |  | (16) |
Ending balance |  | 8,778 |  | 10,637 |
Share in net assets |  | 8,777 |  | 10,637 |
Total assets |  | 170,261 |  | 173,537 |
Total liabilities |  | 139,995 |  | 136,857 |
Net assets |  | 30,266 |  | 36,680 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 1 |  | 0 |
Sales of Associates |  | 40,241 |  | 52,256 |
Profit (loss) for the period of Associates |  | ₩ (6,422) |  | ₩ (6,496) |
Gunsan Bio Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 18.87% |  | 18.87% |
Effective percentage of ownership | [3] | 18.87% |  | 18.87% |
Acquisition cost |  | ₩ 1,000 |  | ₩ 1,000 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 0 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | (3,582) |  | (3,292) |
Total assets |  | 9,340 |  | 10,614 |
Total liabilities |  | 28,322 |  | 28,062 |
Net assets |  | (18,982) |  | (17,448) |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 3,582 |  | 3,292 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | (1,501) |  | (5,777) |
Unrecognized equity interest |  | 290 |  | 1,090 |
Accumulated unrecognized equity interest |  | ₩ 3,582 |  | ₩ 3,292 |
Korea Electric Vehicle Charging Service |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Electric vehicle charge service |  | Electric vehicle charge service |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 28.00% |  | 28.00% |
Effective percentage of ownership | [3] | 28.00% |  | 28.00% |
Acquisition cost |  | ₩ 2,800 |  | ₩ 2,800 |
Book value |  |  |  |  |
Beginning balance |  | 1,063 |  | 1,593 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (491) |  | (515) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 4 |  | (15) |
Ending balance |  | 576 |  | 1,063 |
Share in net assets |  | 576 |  | 1,063 |
Total assets |  | 8,173 |  | 12,810 |
Total liabilities |  | 6,116 |  | 9,013 |
Net assets |  | 2,057 |  | 3,797 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 10,807 |  | 8,428 |
Profit (loss) for the period of Associates |  | ₩ (1,756) |  | ₩ (1,841) |
Ulleungdo Natural Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Renewable power generation |  | Renewable power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.85% |  | 29.85% |
Effective percentage of ownership | [3] | 29.85% |  | 29.85% |
Acquisition cost |  | ₩ 0 |  | ₩ 0 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 4,628 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | (1) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | (4,627) |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 0 |  | 0 |
Net assets |  | 0 |  | 0 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | ₩ 0 |  | ₩ 0 |
Korea Nuclear Partners Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Electric material agency |  | Electric material agency |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 28.98% |  | 29.00% |
Effective percentage of ownership | [3] | 28.98% |  | 29.00% |
Acquisition cost |  | ₩ 537 |  | ₩ 290 |
Book value |  |  |  |  |
Beginning balance |  | 0 | [19] | 175 |
Acquisition |  | 247 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (43) |  | (79) |
Other comprehensive income (loss) |  | (4) |  | 0 |
Others (book value) |  | 0 |  | (96) |
Ending balance |  | 200 |  | 0 | [19]
Share in net assets |  | 361 |  | 160 |
Total assets |  | 1,350 |  | 928 |
Total liabilities |  | 105 |  | 375 |
Net assets |  | 1,245 |  | 553 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (161) |  | (160) |
Sales of Associates |  | 1,062 |  | 1,441 |
Profit (loss) for the period of Associates |  | ₩ (150) |  | ₩ (50) |
Tamra Offshore Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 27.00% |  | 27.00% |
Effective percentage of ownership | [3] | 27.00% |  | 27.00% |
Acquisition cost |  | ₩ 0 |  | ₩ 0 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  | 10,401 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | (10,401) |
Ending balance |  | 0 |  | 0 |
Share in net assets |  | 0 |  | 0 |
Net assets |  | 0 |  | 0 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | ₩ 0 |  | ₩ 0 |
Korea Electric Power Corporation Fund |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Developing electric enterprises |  | Developing electric enterprises |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [20] | 98.09% |  | 98.09% |
Effective percentage of ownership | [3] | 98.09% |  | 98.09% |
Acquisition cost |  | ₩ 51,500 |  | ₩ 51,500 |
Book value |  |  |  |  |
Beginning balance |  | 41,126 |  | 47,189 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (908) |  | (6,931) |
Other comprehensive income (loss) |  | 1,708 |  | 868 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 41,926 |  | 41,126 |
Share in net assets |  | 41,923 |  | 41,122 |
Total assets |  | 42,988 |  | 42,162 |
Total liabilities |  | 249 |  | 239 |
Net assets |  | 42,739 |  | 41,923 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 3 |  | 4 |
Sales of Associates |  | 82 |  | 127 |
Profit (loss) for the period of Associates |  | ₩ (730) |  | ₩ (5,430) |
Energy Infra Asset Management Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Asset management |  | Asset management |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 9.90% |  | 9.90% |
Effective percentage of ownership | [3] | 9.90% |  | 9.90% |
Acquisition cost |  | ₩ 297 |  | ₩ 297 |
Book value |  |  |  |  |
Beginning balance |  | 791 |  | 665 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 147 |  | 126 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 938 |  | 791 |
Share in net assets |  | 938 |  | 791 |
Total assets |  | 10,424 |  | 8,712 |
Total liabilities |  | 946 |  | 721 |
Net assets |  | 9,478 |  | 7,991 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 5,130 |  | 5,118 |
Profit (loss) for the period of Associates |  | ₩ 1,488 |  | ₩ 1,415 |
Daegu clean Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Renewable power generation |  | Renewable power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 28.00% |  | 28.00% |
Effective percentage of ownership | [3] | 28.00% |  | 28.00% |
Acquisition cost |  | ₩ 140 |  | ₩ 140 |
Book value |  |  |  |  |
Beginning balance |  | 13 |  | 17 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (1) |  | (4) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 12 |  | 13 |
Share in net assets |  | 12 |  | 13 |
Total assets |  | 368 |  | 371 |
Total liabilities |  | 324 |  | 323 |
Net assets |  | 44 |  | 48 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (1) |  | ₩ (14) |
Yaksu ESS Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Installing ESS related equipment |  | Installing ESS related equipment |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 210 |  | ₩ 210 |
Book value |  |  |  |  |
Beginning balance |  | 516 |  | 460 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (62) |  | 56 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 454 |  | 516 |
Share in net assets |  | 453 |  | 514 |
Total assets |  | 6,584 |  | 7,325 |
Total liabilities |  | 5,022 |  | 5,551 |
Net assets |  | 1,562 |  | 1,774 |
Investment differential |  | 1 |  | 2 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 217 |  | 1,191 |
Profit (loss) for the period of Associates |  | ₩ (212) |  | ₩ 363 |
Nepal Water & Energy Development Company Private Limited |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Construction and operation of utility plant |  | Construction and operation of utility plant |
Location |  | NEPAL |  | NEPAL |
Percentage of ownership | [21] | 60.35% |  | 57.76% |
Effective percentage of ownership | [3] | 58.59% |  | 58.59% |
Acquisition cost |  | ₩ 50,268 |  | ₩ 35,571 |
Book value |  |  |  |  |
Beginning balance |  | 31,145 |  | 30,961 |
Acquisition |  | 14,697 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (1,699) |  | (854) |
Other comprehensive income (loss) |  | (1,466) |  | 1,038 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 42,677 |  | 31,145 |
Share in net assets |  | 39,975 |  | 30,173 |
Total assets |  | 109,321 |  | 78,309 |
Total liabilities |  | 41,093 |  | 26,783 |
Net assets |  | 68,228 |  | 51,526 |
Investment differential |  | 971 |  | 972 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 1,731 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (444) |  | ₩ (1,380) |
Gwangyang Green Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 20.00% |  | 20.00% |
Effective percentage of ownership | [3] | 20.00% |  | 20.00% |
Acquisition cost |  | ₩ 2,000 |  | ₩ 2,000 |
Book value |  |  |  |  |
Beginning balance |  | 948 |  | 1,206 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (22) |  | (258) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 926 |  | 948 |
Share in net assets |  | 908 |  | 930 |
Total assets |  | 28,634 |  | 28,816 |
Total liabilities |  | 24,095 |  | 24,164 |
Net assets |  | 4,539 |  | 4,652 |
Investment differential |  | 18 |  | 18 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (113) |  | ₩ (1,007) |
PND solar Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 1,250 |  | ₩ 1,250 |
Book value |  |  |  |  |
Beginning balance |  | 1,144 |  | 1,020 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 5 |  | 124 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 1,149 |  | 1,144 |
Share in net assets |  | 995 |  | 990 |
Total assets |  | 38,997 |  | 40,941 |
Total liabilities |  | 35,566 |  | 37,526 |
Net assets |  | 3,431 |  | 3,415 |
Investment differential |  | 154 |  | 154 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 5,129 |  | 6,908 |
Profit (loss) for the period of Associates |  | ₩ (121) |  | ₩ 1,665 |
Hyundai Ecoenergy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 19.00% |  | 19.00% |
Effective percentage of ownership | [3] | 19.00% |  | 19.00% |
Acquisition cost |  | ₩ 3,610 |  | ₩ 3,610 |
Book value |  |  |  |  |
Beginning balance |  | 3,781 |  | 3,388 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 469 |  | 393 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 4,250 |  | 3,781 |
Share in net assets |  | 4,036 |  | 3,567 |
Total assets |  | 195,040 |  | 209,395 |
Total liabilities |  | 173,800 |  | 190,622 |
Net assets |  | 21,240 |  | 18,773 |
Investment differential |  | 214 |  | 214 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 24,166 |  | 13,343 |
Profit (loss) for the period of Associates |  | 4,280 |  | 1,306 |
Unrecognized equity interest |  | (14,035) |  | 12,890 |
Accumulated unrecognized equity interest |  | ₩ 24,696 |  | ₩ 38,731 |
YeongGwang Yaksu Wind Electric Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership | [6] | 9.63% |  | 9.63% |
Effective percentage of ownership | [3] | 9.63% |  | 9.63% |
Acquisition cost |  | ₩ 533 |  | ₩ 533 |
Book value |  |  |  |  |
Beginning balance |  | 386 |  | 533 |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (74) |  | (147) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 312 |  | 386 |
Share in net assets |  | 12 |  | 86 |
Total assets |  | 43,039 |  | 46,488 |
Total liabilities |  | 42,915 |  | 45,594 |
Net assets |  | 124 |  | 894 |
Investment differential |  | 300 |  | 300 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 5,802 |  | 6,511 |
Profit (loss) for the period of Associates |  | ₩ (637) |  | ₩ (1,510) |
Shareholders' agreements that may cause future economic resource or cash outflows |  |  |  | As of December 31, 2019, YeongGwang Yaksu Wind Electric. Co., Ltd., an associate of the Group, which engages in the wind power generating business in YeongGwang, Jeonra-namdo, and entered into a project financing agreement with a limit of W46 billion with Hanhwa Life Insurance Co., Ltd. and others. The Group set the shares of YeongGwang Yaksu Wind Electric. Co., Ltd. as a collateral for the the project financing to the lenders. |
Green Energy Electricity Generation Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 1,189 |  | ₩ 1,189 |
Book value |  |  |  |  |
Beginning balance |  | 163 |  |  |
Acquisition |  | 0 |  | 1,189 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (138) |  | (1,026) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 25 |  | 163 |
Share in net assets |  | (754) |  | (616) |
Total assets |  | 53,934 |  | 33,937 |
Total liabilities |  | 56,533 |  | 36,060 |
Net assets |  | (2,599) |  | (2,123) |
Investment differential |  | 779 |  | 779 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (920) |  | ₩ (5,923) |
Korea Energy Solution Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  | R & D |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 20.00% |  | 20.00% |
Effective percentage of ownership | [3] | 20.00% |  | 20.00% |
Acquisition cost |  | ₩ 300 |  | ₩ 300 |
Book value |  |  |  |  |
Beginning balance |  | 259 |  |  |
Acquisition |  | 0 |  | 300 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (62) |  | (41) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 197 |  | 259 |
Share in net assets |  | 197 |  | 253 |
Total assets |  | 1,009 |  | 1,285 |
Total liabilities |  | 25 |  | 18 |
Net assets |  | 984 |  | 1,267 |
Investment differential |  | 0 |  | 6 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 78 |  | 134 |
Profit (loss) for the period of Associates |  | ₩ (280) |  | ₩ (233) |
ITR Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  | R & D |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 20.00% |  | 20.00% |
Effective percentage of ownership | [3] | 20.00% |  | 20.00% |
Acquisition cost |  | ₩ 50 |  | ₩ 50 |
Book value |  |  |  |  |
Beginning balance |  | 33 |  |  |
Acquisition |  | 0 |  | 50 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 7 |  | (17) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 40 |  | 33 |
Share in net assets |  | 40 |  | 32 |
Total assets |  | 418 |  | 376 |
Total liabilities |  | 220 |  | 214 |
Net assets |  | 198 |  | 162 |
Investment differential |  | 1 |  | 1 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | (1) |  | 0 |
Sales of Associates |  | 153 |  | 167 |
Profit (loss) for the period of Associates |  | ₩ (66) |  | ₩ (88) |
Structure test network Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Technical testing and consulting |  | Technical testing and consulting |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 20.00% |  | 20.00% |
Effective percentage of ownership | [3] | 20.00% |  | 20.00% |
Acquisition cost |  | ₩ 25 |  | ₩ 25 |
Book value |  |  |  |  |
Beginning balance |  | 21 |  |  |
Acquisition |  | 0 |  | 25 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 6 |  | (4) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 27 |  | 21 |
Share in net assets |  | (27) |  | (32) |
Total assets |  | 101 |  | 89 |
Total liabilities |  | 234 |  | 249 |
Net assets |  | (133) |  | (160) |
Investment differential |  | 54 |  | 53 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 99 |  | 76 |
Profit (loss) for the period of Associates |  | ₩ 27 |  | ₩ (72) |
Namjeongsusang Solar Power Operation Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 15.00% | [22] | 15.00% | [23]
Effective percentage of ownership | [3] | 15.00% |  | 15.00% |
Acquisition cost |  | ₩ 969 |  | ₩ 969 |
Book value |  |  |  |  |
Beginning balance |  | 812 |  |  |
Acquisition |  | 0 |  | 969 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (709) |  | (157) |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 103 |  | 812 |
Share in net assets |  | 83 |  | 793 |
Total assets |  | 63,041 |  | 34,595 |
Total liabilities |  | 62,488 |  | 29,310 |
Net assets |  | 553 |  | 5,285 |
Investment differential |  | 20 |  | 19 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 1,128 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (4,655) |  | ₩ (1,149) |
Indeck Niles Development, LLC |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | USA |  | USA |
Percentage of ownership |  | 24.08% | [24] | 50.00% | [25]
Effective percentage of ownership | [3] | 24.08% |  | 50.00% |
Acquisition cost |  | ₩ 45,562 |  | ₩ 0 |
Book value |  |  |  |  |
Beginning balance |  | 0 |  |  |
Acquisition |  | 45,562 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (13,344) |  | 0 |
Other comprehensive income (loss) |  | (9,846) |  | 0 |
Others (book value) |  | (1,745) |  | 0 |
Ending balance |  | 20,627 |  | 0 |
Share in net assets |  | 8,017 |  | 24,646 |
Total assets |  | 772,124 |  | 49,465 |
Total liabilities |  | 738,826 |  | 174 |
Net assets |  | 33,298 |  | 49,291 |
Investment differential |  | 12,610 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | (24,646) |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (29,392) |  | ₩ (25,430) |
Significant restrictions on its abilities |  | Shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
Indeck Niles Asset Management, LLC |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | USA |  | USA |
Percentage of ownership |  | 33.33% |  | 33.33% |
Effective percentage of ownership | [3] | 33.33% |  | 33.33% |
Acquisition cost |  | ₩ 0 |  | ₩ 0 |
Book value |  |  |  |  |
Beginning balance |  | 87 |  |  |
Acquisition |  | 0 |  | 0 |
Disposal |  | 0 |  | 0 |
Dividends received |  | (539) |  | (245) |
Share of income (loss) |  | 559 |  | 333 |
Other comprehensive income (loss) |  | 0 |  | (1) |
Others (book value) |  | (6) |  | 0 |
Ending balance |  | 101 |  | 87 |
Share in net assets |  | 101 |  | 87 |
Total assets |  | 314 |  | 271 |
Total liabilities |  | 11 |  | 9 |
Net assets |  | 303 |  | 262 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 2,272 |  | 1,513 |
Profit (loss) for the period of Associates |  | ₩ 1,139 |  | ₩ 753 |
Significant restrictions on its abilities |  | Shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
Hanwha Corporation-linked Sunlight Power Special Private Equity Investment Trust No. 1 |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Holding company |  | Holding company |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 49.00% |  | 49.00% |
Effective percentage of ownership | [3] | 49.00% |  | 49.00% |
Acquisition cost |  | ₩ 7,300 |  | ₩ 7,105 |
Book value |  |  |  |  |
Beginning balance |  | 7,126 |  |  |
Acquisition |  | 294 |  | 7,105 |
Disposal |  | (99) |  | 0 |
Dividends received |  | (291) |  | 0 |
Share of income (loss) |  | 296 |  | 21 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 7,326 |  | 7,126 |
Share in net assets |  | 7,326 |  | 7,126 |
Total assets |  | 15,157 |  | 14,559 |
Total liabilities |  | 206 |  | 15 |
Net assets |  | 14,951 |  | 14,544 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 634 |  | 59 |
Profit (loss) for the period of Associates |  | ₩ 603 |  | ₩ 44 |
Suwon New Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 39.90% |  | 39.90% |
Effective percentage of ownership | [3] | 33.11% |  | 33.10% |
Acquisition cost |  | ₩ 798 |  | ₩ 798 |
Book value |  |  |  |  |
Beginning balance |  | 798 |  |  |
Acquisition |  | 0 |  | 798 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 256 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 1,054 |  | 798 |
Share in net assets |  | 651 |  | 662 |
Total assets |  | 1,974 |  | 2,000 |
Total liabilities |  | 8 |  | 0 |
Net assets |  | 1,966 |  | 2,000 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 267 |  | 0 |
Others (consolidated FS) |  | 136 |  | 136 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ 0 |  | ₩ 0 |
KPGE Inc. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation materials business |  | Power generation materials business |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 29.00% |  | 29.00% |
Effective percentage of ownership | [3] | 29.00% |  | 29.00% |
Acquisition cost |  | ₩ 287 |  | ₩ 287 |
Book value |  |  |  |  |
Beginning balance |  | 287 |  |  |
Acquisition |  | 0 |  | 287 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | 0 |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 287 |  | 287 |
Share in net assets |  | 287 |  | 285 |
Total assets |  | 1,021 |  | 984 |
Total liabilities |  | 32 |  | 0 |
Net assets |  | 989 |  | 984 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 2 |
Sales of Associates |  | 354 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ 5 |  | ₩ (6) |
Significant restrictions on its abilities |  | Shares cannot be wholly or partially transferred without the consent of the stakeholders. |  | Shares cannot be wholly or partially transferred without consent of the stakeholders is obtained. |
Gwangbaek Solar Power Investment Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 44.00% |  | 19.00% | [26]
Effective percentage of ownership | [3] | 44.00% |  | 19.00% |
Acquisition cost |  | ₩ 4,757 |  | ₩ 2,054 |
Book value |  |  |  |  |
Beginning balance |  | 2,054 |  |  |
Acquisition |  | 2,703 |  | 2,054 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (75) |  | 0 |
Other comprehensive income (loss) |  | 0 |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 4,682 |  | 2,054 |
Share in net assets |  | 4,367 |  | 1,976 |
Total assets |  | 339,223 |  | 193,464 |
Total liabilities |  | 329,298 |  | 183,063 |
Net assets |  | 9,925 |  | 10,401 |
Investment differential |  | 315 |  | 78 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 13,192 |  | 7,635 |
Profit (loss) for the period of Associates |  | ₩ (329) |  | ₩ (355) |
Goduk Clean Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Fuel cell generation |  | Fuel cell generation |
Location |  | KOREA |  | KOREA |
Percentage of ownership |  | 61.00% | [27] | 61.00% | [28]
Effective percentage of ownership | [3] | 61.00% |  | 61.00% |
Acquisition cost |  | ₩ 1,830 |  | ₩ 1,830 |
Book value |  |  |  |  |
Beginning balance |  | 1,830 |  |  |
Acquisition |  | 0 |  | 1,830 |
Disposal |  | 0 |  | 0 |
Dividends received |  | 0 |  | 0 |
Share of income (loss) |  | (843) |  | 0 |
Other comprehensive income (loss) |  | (27) |  | 0 |
Others (book value) |  | 0 |  | 0 |
Ending balance |  | 960 |  | 1,830 |
Share in net assets |  | 960 |  | 1,830 |
Total assets |  | 1,639 |  | 3,000 |
Total liabilities |  | 65 |  | 0 |
Net assets |  | 1,574 |  | 3,000 |
Investment differential |  | 0 |  | 0 |
Intercompany transaction |  | 0 |  | 0 |
Others (consolidated FS) |  | 0 |  | 0 |
Sales of Associates |  | 0 |  | 0 |
Profit (loss) for the period of Associates |  | ₩ (1,382) |  | ₩ 0 |
Energy Innovation Fund I |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Holding company |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 71.91% |  |  |
Effective percentage of ownership | [3] | 71.91% |  |  |
Acquisition cost |  | ₩ 0 |  |  |
Book value |  |  |  |  |
Acquisition |  | 4,000 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | (2) |  |  |
Share of income (loss) |  | (159) |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | (3,839) |  |  |
Ending balance |  | 0 |  |  |
Share in net assets |  | 0 |  |  |
Total assets |  | 0 |  |  |
Total liabilities |  | 0 |  |  |
Net assets |  | 0 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ 0 |  |  |
SureDataLab Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 23.95% |  |  |
Effective percentage of ownership | [3] | 23.95% |  |  |
Acquisition cost |  | ₩ 126 |  |  |
Book value |  |  |  |  |
Acquisition |  | 126 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | (41) |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 85 |  |  |
Share in net assets |  | 85 |  |  |
Total assets |  | 400 |  |  |
Total liabilities |  | 47 |  |  |
Net assets |  | 353 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 303 |  |  |
Profit (loss) for the period of Associates |  | ₩ (108) |  |  |
SEP Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 21.26% |  |  |
Effective percentage of ownership | [3] | 21.26% |  |  |
Acquisition cost |  | ₩ 27 |  |  |
Book value |  |  |  |  |
Acquisition |  | 27 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | (13) |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 14 |  |  |
Share in net assets |  | 14 |  |  |
Total assets |  | 164 |  |  |
Total liabilities |  | 100 |  |  |
Net assets |  | 64 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ (63) |  |  |
Hankook Electric Power Information Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 25.25% |  |  |
Effective percentage of ownership | [3] | 25.25% |  |  |
Acquisition cost |  | ₩ 38 |  |  |
Book value |  |  |  |  |
Acquisition |  | 38 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 101 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 139 |  |  |
Share in net assets |  | 139 |  |  |
Total assets |  | 1,163 |  |  |
Total liabilities |  | 613 |  |  |
Net assets |  | 550 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 1,208 |  |  |
Profit (loss) for the period of Associates |  | ₩ 390 |  |  |
Tronix Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 20.00% |  |  |
Effective percentage of ownership | [3] | 20.00% |  |  |
Acquisition cost |  | ₩ 75 |  |  |
Book value |  |  |  |  |
Acquisition |  | 75 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 44 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 119 |  |  |
Share in net assets |  | 119 |  |  |
Total assets |  | 942 |  |  |
Total liabilities |  | 349 |  |  |
Net assets |  | 593 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 2,030 |  |  |
Profit (loss) for the period of Associates |  | ₩ (6) |  |  |
O2&B Global Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | R & D |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 20.00% |  |  |
Effective percentage of ownership | [3] | 20.00% |  |  |
Acquisition cost |  | ₩ 25 |  |  |
Book value |  |  |  |  |
Acquisition |  | 25 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | (3) |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 22 |  |  |
Share in net assets |  | 22 |  |  |
Total assets |  | 233 |  |  |
Total liabilities |  | 125 |  |  |
Net assets |  | 108 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 285 |  |  |
Profit (loss) for the period of Associates |  | ₩ (57) |  |  |
Muan Sunshine Solar Power Plant Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 20.00% |  |  |
Effective percentage of ownership | [3] | 20.00% |  |  |
Acquisition cost |  | ₩ 1,570 |  |  |
Book value |  |  |  |  |
Acquisition |  | 79 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | (475) |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 1,492 |  |  |
Ending balance |  | 1,096 |  |  |
Share in net assets |  | 602 |  |  |
Total assets |  | 147,908 |  |  |
Total liabilities |  | 144,898 |  |  |
Net assets |  | 3,010 |  |  |
Investment differential |  | 494 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 6,017 |  |  |
Profit (loss) for the period of Associates |  | ₩ (2,365) |  |  |
Bigeum Resident Photovoltaic Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 29.90% |  |  |
Effective percentage of ownership | [3] | 29.90% |  |  |
Acquisition cost |  | ₩ 1 |  |  |
Book value |  |  |  |  |
Acquisition |  | 0 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 0 |  |  |
Share in net assets |  | (116) |  |  |
Total assets |  | 11,164 |  |  |
Total liabilities |  | 11,551 |  |  |
Net assets |  | (387) |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 116 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | (309) |  |  |
Unrecognized equity interest |  | 116 |  |  |
Accumulated unrecognized equity interest |  | ₩ 116 |  |  |
Jeju SolarOne Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership | [29] | 10.00% |  |  |
Effective percentage of ownership | [3] | 10.00% |  |  |
Acquisition cost |  | ₩ 161 |  |  |
Book value |  |  |  |  |
Acquisition |  | 161 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | (2) |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 159 |  |  |
Share in net assets |  | 159 |  |  |
Total assets |  | 1,608 |  |  |
Total liabilities |  | 14 |  |  |
Net assets |  | 1,594 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ (4) |  |  |
Goesan Solar Park Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 29.00% |  |  |
Effective percentage of ownership | [3] | 29.00% |  |  |
Acquisition cost |  | ₩ 1,276 |  |  |
Book value |  |  |  |  |
Acquisition |  | 1,276 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 408 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 1,684 |  |  |
Share in net assets |  | 1,684 |  |  |
Total assets |  | 56,332 |  |  |
Total liabilities |  | 50,524 |  |  |
Net assets |  | 5,808 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 2,809 |  |  |
Profit (loss) for the period of Associates |  | ₩ (262) |  |  |
Saemangeum Heemang Photovoltaic Co.,Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 35.00% |  |  |
Effective percentage of ownership | [3] | 35.00% |  |  |
Acquisition cost |  | ₩ 11,022 |  |  |
Book value |  |  |  |  |
Acquisition |  | 11,022 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 11,022 |  |  |
Share in net assets |  | 10,282 |  |  |
Total assets |  | 35,447 |  |  |
Total liabilities |  | 6,070 |  |  |
Net assets |  | 29,377 |  |  |
Investment differential |  | 740 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ (1,943) |  |  |
Bitgoel Eco Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 29.00% |  |  |
Effective percentage of ownership | [3] | 29.00% |  |  |
Acquisition cost |  | ₩ 29 |  |  |
Book value |  |  |  |  |
Acquisition |  | 29 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 29 |  |  |
Share in net assets |  | 29 |  |  |
Total assets |  | 100 |  |  |
Total liabilities |  | 0 |  |  |
Net assets |  | 100 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ 0 |  |  |
Jeju Gimnyeong Wind Power Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 30.00% |  |  |
Effective percentage of ownership | [3] | 30.00% |  |  |
Acquisition cost |  | ₩ 714 |  |  |
Book value |  |  |  |  |
Acquisition |  | 714 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 864 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 1,578 |  |  |
Share in net assets |  | 1,578 |  |  |
Total assets |  | 72,557 |  |  |
Total liabilities |  | 67,297 |  |  |
Net assets |  | 5,260 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ 0 |  |  |
Seoroseoro Sunny Power Plant Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership | [30] | 19.46% |  |  |
Effective percentage of ownership | [3] | 19.46% |  |  |
Acquisition cost |  | ₩ 230 |  |  |
Book value |  |  |  |  |
Acquisition |  | 230 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 230 |  |  |
Share in net assets |  | 230 |  |  |
Total assets |  | 1,182 |  |  |
Total liabilities |  | 0 |  |  |
Net assets |  | 1,182 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ 0 |  |  |
Muan Solar Park Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership | [30] | 19.00% |  |  |
Effective percentage of ownership | [3] | 19.00% |  |  |
Acquisition cost |  | ₩ 4,180 |  |  |
Book value |  |  |  |  |
Acquisition |  | 4,180 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 4,180 |  |  |
Share in net assets |  | 3,871 |  |  |
Total assets |  | 245,431 |  |  |
Total liabilities |  | 225,057 |  |  |
Net assets |  | 20,374 |  |  |
Investment differential |  | 309 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 14,359 |  |  |
Profit (loss) for the period of Associates |  | ₩ (966) |  |  |
YuDang Solar Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 20.00% |  |  |
Effective percentage of ownership | [3] | 20.00% |  |  |
Acquisition cost |  | ₩ 360 |  |  |
Book value |  |  |  |  |
Acquisition |  | 360 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 360 |  |  |
Share in net assets |  | 497 |  |  |
Total assets |  | 23,360 |  |  |
Total liabilities |  | 20,876 |  |  |
Net assets |  | 2,484 |  |  |
Investment differential |  | 0 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | (137) |  |  |
Sales of Associates |  | 1,611 |  |  |
Profit (loss) for the period of Associates |  | ₩ 686 |  |  |
Anjwa Smart Farm & Solar City Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership | [30] | 19.50% |  |  |
Effective percentage of ownership | [3] | 19.50% |  |  |
Acquisition cost |  | ₩ 5,510 |  |  |
Book value |  |  |  |  |
Acquisition |  | 5,510 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 5,510 |  |  |
Share in net assets |  | 4,714 |  |  |
Total assets |  | 295,570 |  |  |
Total liabilities |  | 271,396 |  |  |
Net assets |  | 24,174 |  |  |
Investment differential |  | 796 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 1,900 |  |  |
Profit (loss) for the period of Associates |  | ₩ (1,684) |  |  |
Daewon Green Energy Co., Ltd. |  |  |  |  |
Disclosure of associates [Line Items] |  |  |  |  |
Key operation activities |  | Power generation |  |  |
Location |  | KOREA |  |  |
Percentage of ownership |  | 25.36% |  |  |
Effective percentage of ownership | [3] | 25.36% |  |  |
Acquisition cost |  | ₩ 3,910 |  |  |
Book value |  |  |  |  |
Acquisition |  | 3,910 |  |  |
Disposal |  | 0 |  |  |
Dividends received |  | 0 |  |  |
Share of income (loss) |  | 0 |  |  |
Other comprehensive income (loss) |  | 0 |  |  |
Others (book value) |  | 0 |  |  |
Ending balance |  | 3,910 |  |  |
Share in net assets |  | 3,866 |  |  |
Total assets |  | 15,370 |  |  |
Total liabilities |  | 122 |  |  |
Net assets |  | 15,248 |  |  |
Investment differential |  | 44 |  |  |
Intercompany transaction |  | 0 |  |  |
Others (consolidated FS) |  | 0 |  |  |
Sales of Associates |  | 0 |  |  |
Profit (loss) for the period of Associates |  | ₩ (93) |  |  |
[1] | The effective percentage of ownership is 22.02% considering treasury stocks.
[2] | The effective percentage of ownership is 21.57% considering treasury stocks.
[3] | The percentage of ownership shown above is after considering the treasury stocks and others.
[4] | The loss for the year ended December 31, 2020 is reduced by the associate entity's net income (loss) attributable to non-controlling interests.
[5] | The profit recognized for the years ended December 31, 2019 is reduced by the associate entity's net income attributable to non-controlling interests.
[6] | The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint directors to the board of directors of the entity, and by strict decision criteria of the Company's financial and operating policy of the board of directors.
[7] | The effective percentage of ownership is 100%. However, the Government regulates the Company's ability to make operating and financial decisions over the entity, as the Government requires maintaining arms-length transactions between KPX and the Company's other subsidiaries. Accordingly, the entity is not classified as a consolidated subsidiary. The Company can exercise significant influence by virtue of right to nominate directors to the board of directors of the entity.
[8] | The effective percentage of ownership is 100%. However, the Government regulates the Company's ability to make operating and financial decisions over the entity, as the Government requires maintaining arms-length transactions between KPX and the Company's other subsidiaries. The Company can exercise significant influence by virtue of right to nominate directors to the board of directors of the entity.
[9] | As of December 31, 2019, 15.64% of ownership of Hyundai Energy Co., Ltd. is held by NH Power ll Co., Ltd. and NH Bank. According to the shareholders' agreement reached on March 2011, not only does the Company have a call option to acquire the investment in Hyundai Energy Co., Ltd. from NH Power ll Co., Ltd. and NH Bank with a certain rate of return, NH Power ll Co., Ltd. and NH Bank also have put options to dispose of their investment to the Company. In connection with this agreement, the Company applied the equity method on the investment in Hyundai Energy Co., Ltd. with 46.30% of ownership.
[10] | The Company recognized an impairment loss for the carrying amount of Ecollite Co., Ltd. during the prior period due to the suspension of operating activities. Ecollite Co., Ltd. has been removed from associates since it is under the process of liquidation as of December 31, 2020.
[11] | The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint one out of four members of the steering committee of the entity. Moreover, the Company has significant financial transactions, which can affect its significant influence on the entity.
[12] | The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint one out of four members of the steering committee of the entity. Moreover, the Company has significant financial transactions, which can affect its influence on the entity.
[13] | The effective percentage of ownership is less than 20% but the Company can exercise significant influence by virtue of its contractual right to appoint a director to the board of directors of the entity and the fact that the dominant portion of the investee's sales transactions is generated from the Company.
[14] | Although the nominal percentage of ownership is 2.35%, the effective percentage of ownership is 25.54%, considering redeemable convertible preferred stock as a liability component.
[15] | The effective percentage of ownership is 34.01% considering the conversion of redeemable convertible preferred stock into ordinary stock.
[16] | The Company recognized a full impairment loss for the carrying amount of Jinbhuvish Power Generation Pvt. Ltd. before the prior year, due to the Company's decision to withdraw its business since there are no business activities occurring
[17] | The Company recognized a full impairment loss for the carrying amount of Jinbhuvish Power Generation Pvt. Ltd. before the prior year, due to the Company's decision to withdraw its business since there is no business activities occurring.
[18] | Daejung Offshore Wind Power Co., Ltd. and GS Donghae Electric Power Co., Ltd. are reclassified from joint ventures to associates, and Jeongam Wind Power Co., Ltd. and Korea Power Engineering Service Co., Ltd. are reclassified from associates to joint ventures during the year ended December 31, 2019.
[19] | It was determined that there is objective evidence of impairment due to prolonged operating losses. As a result, the Company recognized an impairment loss of KRW96 million in impairment loss on investments in associates and joint ventures for the year ended December 31, 2019.
[20] | The effective percentage of ownership is more than 50% but the Company does not hold control over relevant business while it exercises significant influence by participating in the Investment Decision Committee. Accordingly, the entity is classified as an associate.
[21] | The effective percentage of ownership is more than 50% but the Company does not hold control over the entity according to the shareholders' agreement. Accordingly, the entity is classified as an associate.
[22] | The effective percentage of ownership is less than 20%. However, the Company considers the major decision-making body to be the general decision of the board of directors, and the general decision of the board of directors can be passed only by two directors of Namjeongsusang Solar Power Operation Co., Ltd. Accordingly, the entity is classified as an associate.
[23] | The effective percentage of ownership is less than 20%. However, the Company considers the major decision-making body to be the general decision of the board of directors, and the general decision of the board of directors can be passed only by two directors. Accordingly, the entities are classified as an associate.
[24] | According to the shareholders' agreement, additional investment of 50% of total stake is agreed by March 2022
[25] | Although the investment amount is not paid as of December 31, 2019, the Company has an investment agreement on 50% of the interests. the Company can exercise significant influence by virtue of its contractual right to appoint a director to the board of directors of the entity.
[26] | The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint a director to the board of directors of the entity.
[27] | Even though the effective percentage of ownership is more than 50%, the Company does not hold control over the entity as it has less than 50% of decision-making rights. However the Company can exercise significant influence on the entity by participating in the board of directors and others.Therefore the entity is classified as an associate.
[28] | Even though the effective percentage of ownership is more than 50%, the Company does not hold control over the entity according to its proportion to make decisions, which is less than 50%. However the Company can exercise significant influence on the entity by participating in the board of directors and others.Therefore the entity is classified as an associate.
[29] | It was newly invested during the year ended December 31, 2020. The effective percentage of ownership is less than 20%. However, it is classified as an associate, judging that the Company can exercise significant influence on the entity.
[30] | The entities were newly invested during the year ended December 31, 2020. The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint a director to the board of directors of the entity.

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