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Borrowings and Debt Securities - Long-term Borrowings (Details) € in Thousands, ¥ in Thousands, JD in Thousands, $ in Thousands, ₩ in Millions | 12 Months Ended |  |
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Dec. 31, 2022 KRW (₩) | Dec. 31, 2021 KRW (₩) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 JOD (JD) | Dec. 31, 2022 JPY (¥) | Dec. 31, 2022 EUR (€) | Dec. 31, 2022 AUD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 JOD (JD) | Dec. 31, 2021 JPY (¥) | Dec. 31, 2021 EUR (€)
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 6,615,470 | ₩ 3,742,184 |  |  |  |  |  |  |  |  |
Less : Discount on long-term borrowings | (15,719) | (14,905) |  |  |  |  |  |  |  |  |
Less : Current portion of long-term borrowings | (3,638,202) | (1,463,703) |  |  |  |  |  |  |  |  |
Add : Current portion of discount on long-term borrowings | 774 | 2,048 |  |  |  |  |  |  |  |  |
Long-term borrowings | 2,962,323 | 2,265,624 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 4,981,208 | ₩ 2,720,355 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 0.50% | 0.50% | 0.50% | 0.50% | 0.50% | 0.50% | 0.50% | 0.50% | 0.50% | 0.50% | 0.50%
Borrowings | ₩ 2,133 | ₩ 2,509 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2023 | 2023 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2044 | 2044 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |  |  |
Borrowings | ₩ 28,420 | ₩ 39,430 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50%
Borrowings, maturity | 2023 | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60%
Borrowings, maturity | 2028 | 2028 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Operating funds |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 2.33% |  |  |  |  |  | 2.33% | 2.33% | 2.33% | 2.33%
Borrowings, interest rate basis | CB rate+0.90 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2029 | 2022 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 9,985 | ₩ 20,000 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Operating funds | Operating funds |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 1yr KDB rate+0.81~0.91 | 1yr KDB bond rate + 0.81~0.95 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 54,300 | ₩ 64,300 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% | 0.81%
Borrowings, maturity | 2023 | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 0.91% | 0.95% | 0.91% | 0.91% | 0.91% | 0.91% | 0.91% | 0.95% | 0.95% | 0.95% | 0.95%
Borrowings, maturity | 2024 | 2023 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Hana Bank and others | Hana Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Commercial Paper | Commercial Paper |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 3M CD+0.13~1.20 | 3M CD+0.13~0.43 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 3,250,000 | ₩ 1,050,000 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 0.13% | 0.13% | 0.13% | 0.13% | 0.13% | 0.13% | 0.13% | 0.13% | 0.13% | 0.13% | 0.13%
Borrowings, maturity | 2023 | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 1.20% | 0.43% | 1.20% | 1.20% | 1.20% | 1.20% | 1.20% | 0.43% | 0.43% | 0.43% | 0.43%
Borrowings, maturity | 2027 | 2025 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Hana Bank and others | Hana Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60% | 4.60%
Borrowings, maturity | 2028 | 2028 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 8,137 | ₩ 9,647 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Hana Bank and others | Hana Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 3yr KTB rate-1.50 | 3yr KTB rate-1.25 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2028 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 3,821 | ₩ 4,485 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity |  | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity |  | 2028 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea | IBK |  |  |  |  |  |  |  |  |
Purpose of borrowings | Project loans | PF Refinancing |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 1.50% |  | 1.50% | 1.50% | 1.50% | 1.50% | 1.50% |  |  |  |
Borrowings, interest rate basis |  | CD+1.25 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2026 | 2030 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 10,312 | ₩ 8,589 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea | Export-Import Bank of Korea |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Project loans |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 1.32% | 1.50% | 1.32% | 1.32% | 1.32% | 1.32% | 1.32% | 1.50% | 1.50% | 1.50% | 1.50%
Borrowings, maturity | 2028 | 2026 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 58,100 | ₩ 13,258 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea | Export-Import Bank of Korea |  |  |  |  |  |  |  |  |
Purpose of borrowings | Operating funds | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 1.78% | 1.32% | 1.78% | 1.78% | 1.78% | 1.78% | 1.78% | 1.32% | 1.32% | 1.32% | 1.32%
Borrowings, maturity | 2023 | 2028 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 15,700 | ₩ 32,000 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Export-Import Bank of Korea |  |  |  |  |  |  |  |  |
Purpose of borrowings | Development of power resources | Operating funds |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 1.78% |  |  |  |  |  | 1.78% | 1.78% | 1.78% | 1.78%
Borrowings, interest rate basis | 3yr KTB rate-2.25 1.50~1.75 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity |  | 2023 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 11,175 | ₩ 15,700 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2023 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2028 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Development of power resources |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 3yr KTB rate-2.50 | 3yr KTB rate-2.25 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 393 | ₩ 8,971 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2023 | 2023 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2024 | 2025 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |  |  |
Purpose of borrowings | Project loans | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | — | 3yr KTB rate-2.25 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 1,197 | ₩ 995 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2023 | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2027 | 2024 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank and others | Korea Energy Agency |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Project loans |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | CB rate+0.90~1.10 | — |  |  |  |  |  |  |  |  |
Borrowings, maturity |  | 2023 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 19,195 | ₩ 1,197 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 0.90% |  | 0.90% | 0.90% | 0.90% | 0.90% | 0.90% |  |  |  |
Borrowings, maturity | 2028 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 1.10% |  | 1.10% | 1.10% | 1.10% | 1.10% | 1.10% |  |  |  |
Borrowings, maturity | 2029 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank and others | Korea Energy Agency |  |  |  |  |  |  |  |  |
Purpose of borrowings | Commercial Paper | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 1.75% |  |  |  |  |  | 1.75% | 1.75% | 1.75% | 1.75%
Borrowings, interest rate basis | 3M CD+0.38 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2025 | 2028 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 150,000 | ₩ 4,893 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank and others | Shinhan Bank and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 3.95% |  | 3.95% | 3.95% | 3.95% | 3.95% | 3.95% |  |  |  |
Borrowings, interest rate basis |  | CB rate+1.10 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2034 | 2028 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 78,905 | ₩ 14,470 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank and others | Shinhan Bank and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others | Commercial Paper |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | Standard overdraft rate+1.00 | 3M CD+0.38 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2034 | 2025 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 78,905 | ₩ 150,000 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Kookmin Bank | Shinhan Bank and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 3.95% |  |  |  |  |  | 3.95% | 3.95% | 3.95% | 3.95%
Borrowings, interest rate basis | MOR+0.79 3M CD+1.79 5.04 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity |  | 2034 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 105,155 | ₩ 84,179 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2023 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2035 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Woori Bank | Shinhan Bank and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.00% |  | 4.00% | 4.00% | 4.00% | 4.00% | 4.00% |  |  |  |
Borrowings, interest rate basis |  | Standard overdraft rate+1.00 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2025 | 2034 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 20,700 | ₩ 84,179 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Woori Bank | Kookmin Bank |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 5.04% |  | 5.04% | 5.04% | 5.04% | 5.04% | 5.04% |  |  |  |
Borrowings, interest rate basis | 3M Libor+1.90 5.04 | MOR+0.79 3M CD+1.79 |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 1.90% |  | 1.90% | 1.90% | 1.90% | 1.90% | 1.90% |  |  |  |
Borrowings | ₩ 48,823 | ₩ 59,333 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  | 0.79% |  |  |  |  |  | 0.79% | 0.79% | 0.79% | 0.79%
Borrowings, maturity | 2035 | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  | 1.79% |  |  |  |  |  | 1.79% | 1.79% | 1.79% | 1.79%
Borrowings, maturity | 2042 | 2031 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |  |  |
Borrowings | ₩ 690,259 | ₩ 620,185 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 3.50% | 2.80% | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% | 2.80% | 2.80% | 2.80% | 2.80%
Borrowings, maturity | 2028 | 2024 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 6.80% | 6.80% | 6.80% | 6.80% | 6.80% | 6.80% | 6.80% | 6.80% | 6.80% | 6.80% | 6.80%
Borrowings, maturity | 2044 | 2039 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 3.37% |  |  |  |  |  | 3.37% | 3.37% | 3.37% | 3.37%
Borrowings, interest rate basis | CB rate+1.10 1.75~4.56 | CB rate+0.90~1.10 3M CD+1.60 3.37 |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 1.10% | 1.60% | 1.10% | 1.10% | 1.10% | 1.10% | 1.10% | 1.60% | 1.60% | 1.60% | 1.60%
Borrowings | ₩ 103,131 | ₩ 171,733 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 1.75% |  | 1.75% | 1.75% | 1.75% | 1.75% | 1.75% |  |  |  |
Borrowings, adjustment to interest rate basis |  | 0.90% |  |  |  |  |  | 0.90% | 0.90% | 0.90% | 0.90%
Borrowings, maturity | 2024 | 2028 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.56% |  | 4.56% | 4.56% | 4.56% | 4.56% | 4.56% |  |  |  |
Borrowings, adjustment to interest rate basis |  | 1.10% |  |  |  |  |  | 1.10% | 1.10% | 1.10% | 1.10%
Borrowings, maturity | 2036 | 2037 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | PF Refinancing | PF Refinancing |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | CB rate+1.25 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2030 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 7,634 | ₩ 71,742 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 3.80% |  |  |  |  |  | 3.80% | 3.80% | 3.80% | 3.80%
Borrowings, maturity |  | 2030 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 5.00% |  |  |  |  |  | 5.00% | 5.00% | 5.00% | 5.00%
Borrowings, maturity |  | 2034 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | PF Refinancing | PF Refinancing |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.10% | 1.75% | 4.10% | 4.10% | 4.10% | 4.10% | 4.10% | 1.75% | 1.75% | 1.75% | 1.75%
Borrowings, maturity | 2030 | 2029 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 21,206 | ₩ 22,265 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Securitized debts (*) | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 3M CD+1.80 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2025 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 33,476 | ₩ 116,367 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 4.40% |  |  |  |  |  | 4.40% | 4.40% | 4.40% | 4.40%
Borrowings, maturity |  | 2022 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 7.90% |  |  |  |  |  | 7.90% | 7.90% | 7.90% | 7.90%
Borrowings, maturity |  | 2038 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |  |  |
Borrowings | ₩ 120,217 | ₩ 49,928 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.40% | 1.80% | 4.40% | 4.40% | 4.40% | 4.40% | 4.40% | 1.80% | 1.80% | 1.80% | 1.80%
Borrowings, maturity | 2023 | 2031 |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 7.90% | 4.50% | 7.90% | 7.90% | 7.90% | 7.90% | 7.90% | 4.50% | 4.50% | 4.50% | 4.50%
Borrowings, maturity | 2039 | 2034 |  |  |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others |  |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 49,929 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 1.80% |  | 1.80% | 1.80% | 1.80% | 1.80% | 1.80% |  |  |  |
Borrowings, maturity | 2031 |  |  |  |  |  |  |  |  |  |
Local long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 4.50% |  | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% |  |  |  |
Borrowings, maturity | 2034 |  |  |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 1,634,262 | ₩ 1,021,829 |  |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |  |  |
Purpose of borrowings | Project loans | Project loans |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | — | — |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2026 | 2026 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 11,081 | ₩ 10,366 | $ 8,744,000 |  |  |  |  | $ 8,744,000 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Direct Loan and others | Direct loan and others |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 6M Libor+3.20 | 1M Libor+1.80~3.20 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2036 | 2036 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 98,969 | ₩ 106,485 | $ 78,094.000 |  |  |  |  | $ 89,823,000 |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  | 1.80% |  |  |  |  |  | 1.80% | 1.80% | 1.80% | 1.80%
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  | 3.20% |  |  |  |  |  | 3.20% | 3.20% | 3.20% | 3.20%
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Direct Loan and others | Direct loan and others |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 3M Libor+2.25~3.70 | 3M Libor+2.75~3.70 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2027 | 2027 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 162,692 | ₩ 180,363 |  | JD 91,051 |  |  |  |  | JD 107,868 |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.25% | 2.75% | 2.25% | 2.25% | 2.25% | 2.25% | 2.25% | 2.75% | 2.75% | 2.75% | 2.75%
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 3.70% | 3.70% | 3.70% | 3.70% | 3.70% | 3.70% | 3.70% | 3.70% | 3.70% | 3.70% | 3.70%
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | PF Loan |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 6M Libor+1.70~2.50 SOFR(3M) +1.83 | 6M Libor+1.70~2.50 |  |  |  |  |  |  |  |  |
Borrowings, maturity |  | 2032 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 167,496 | ₩ 122,509 | $ 132,168,000 |  |  |  |  | $ 103,340,000 |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 1.70% | 1.70% | 1.70% | 1.70% | 1.70% | 1.70% | 1.70% | 1.70% | 1.70% | 1.70% | 1.70%
Borrowings, maturity | 2032 |  |  |  |  |  |  |  |  |  |
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50%
Borrowings, maturity | 2039 |  |  |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Kookmin Bank and others | POSCO and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | EBL | Shareholder’s loan |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 8.00% |  |  |  |  |  | 8.00% | 8.00% | 8.00% | 8.00%
Borrowings, interest rate basis | SOFR(1M)+0.11~0.75 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2024 | 2025 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 189,578 | ₩ 14,171 | $ 149,592,000 |  |  |  |  | $ 11,953,000 |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 0.11% |  | 0.11% | 0.11% | 0.11% | 0.11% | 0.11% |  |  |  |
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 0.75% |  | 0.75% | 0.75% | 0.75% | 0.75% | 0.75% |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Riyad Bank | Samsung Life Insurance and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | EBL | Shareholder’s loan |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 8.00% |  |  |  |  |  | 8.00% | 8.00% | 8.00% | 8.00%
Borrowings, interest rate basis | SOFR(3M)+1.20 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2025 | 2031 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 63,201 | ₩ 8,114 | $ 49,870,000 |  |  |  |  |  | JD 4,853 |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | POSCO and others | Samsung Life Insurance and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Shareholder’s loan | Syndicated Loan |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 8.00% |  | 8.00% | 8.00% | 8.00% | 8.00% | 8.00% |  |  |  |
Borrowings, maturity | 2025 | 2032 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 12,680 | ₩ 53,000 | $ 10,005,000 |  |  |  |  |  |  | ¥ 5,144,387 |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 3.10% |  |  |  |  |  | 3.10% | 3.10% | 3.10% | 3.10%
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 8.00% |  |  |  |  |  | 8.00% | 8.00% | 8.00% | 8.00%
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | POSCO and others | Woori Bank and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Shareholder’s loan | Syndicated Loan |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 8.00% |  | 8.00% | 8.00% | 8.00% | 8.00% | 8.00% |  |  |  |
Borrowings, interest rate basis |  | JPY 6M Libor+2.00 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2031 | 2032 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 8,671 | ₩ 29,060 |  | JD 4,853 |  |  |  |  |  | ¥ 2,820,708 |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Samsung Life Insurance and others | KiwoomSolar Power Professional Investor Private Placement Investment Trust V |  |  |  |  |  |  |  |  |
Purpose of borrowings | Syndicated Loan | Senior borrowing |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 3.90% |  |  |  |  |  | 3.90% | 3.90% | 3.90% | 3.90%
Borrowings, maturity | 2032 | 2029 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 45,304 | ₩ 48,741 |  |  | ¥ 4,752,934 |  |  |  |  |  | € 36,311
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 3.10% |  | 3.10% | 3.10% | 3.10% | 3.10% | 3.10% |  |  |  |
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 8.00% |  | 8.00% | 8.00% | 8.00% | 8.00% | 8.00% |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Woori Bank and others | IFC and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Syndicated Loan | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | JPY 6M Libor+1.84 | 6M Libor+5.00 |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2032 | 2031 |  |  |  |  |  |  |  |  |
Borrowings | ₩ 24,910 | ₩ 272,686 |  |  | ¥ 2,613,385 |  |  | $ 230,018,000 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Solar Construction Lendings, LLC | Federal Financing Bank and others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility | PF Loan |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 5.00% |  | 5.00% | 5.00% | 5.00% | 5.00% | 5.00% |  |  |  |
Borrowings, maturity | 2025 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 39,464 | ₩ 111,597 | $ 31,140,000 |  |  |  |  | $ 94,135,000 |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 2.39% |  |  |  |  |  | 2.39% | 2.39% | 2.39% | 2.39%
Borrowings, maturity |  | 2031 |  |  |  |  |  |  |  |  |
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  | 6.00% |  |  |  |  |  | 6.00% | 6.00% | 6.00% | 6.00%
Borrowings, maturity |  | 2038 |  |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor |  | Others |  |  |  |  |  |  |  |  |
Purpose of borrowings | Senior borrowing | Others |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 3.90 | — |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2029 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 54,765 | ₩ 64,737 |  |  |  | € 40,531 |  | $ 54,607,000 |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2028 |  |  |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 6M Libor+5.00 SOFR(3M)+1.83~1.99 5.41~6.19 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 517,575 |  | $ 408,408,000 |  |  |  |  |  |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 5.41% |  | 5.41% | 5.41% | 5.41% | 5.41% | 5.41% |  |  |  |
Borrowings, adjustment to interest rate basis | 1.83% |  | 1.83% | 1.83% | 1.83% | 1.83% | 1.83% |  |  |  |
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 6.19% |  | 6.19% | 6.19% | 6.19% | 6.19% | 6.19% |  |  |  |
Borrowings, adjustment to interest rate basis | 1.99% |  | 1.99% | 1.99% | 1.99% | 1.99% | 1.99% |  |  |  |
Borrowings, maturity | 2031 |  |  |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Hanwha US Solar Private Fund and others |  |  |  |  |  |  |  |  |  |
Purpose of borrowings | PF Refinancing |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 3.00% |  | 3.00% | 3.00% | 3.00% | 3.00% | 3.00% |  |  |  |
Borrowings, maturity | 2038 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 73,894 |  | $ 58,308,000 |  |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | DBS Bank and others |  |  |  |  |  |  |  |  |  |
Purpose of borrowings | Facility |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 1M BBSY+1.40~2.25 |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | 2025 |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 163,836 |  |  |  |  |  | $ 190,860 |  |  |  |
Foreign long-term borrowings | Minimum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 1.40% |  | 1.40% | 1.40% | 1.40% | 1.40% | 1.40% |  |  |  |
Foreign long-term borrowings | Maximum |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.25% |  | 2.25% | 2.25% | 2.25% | 2.25% | 2.25% |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Name of Creditor | Others |  |  |  |  |  |  |  |  |  |
Purpose of borrowings | Others |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | — |  |  |  |  |  |  |  |  |  |
Borrowings, maturity | — |  |  |  |  |  |  |  |  |  |
Borrowings | ₩ 146 |  | $ 116,000 |  |  |  |  |  |  |  |

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