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Subsequent Events (Details) $ in Thousands, ₩ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 KRW (₩) | Dec. 31, 2019 USD ($)
Foreign bond |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea South-East Power Co., Ltd. |
Issue date | Feb. 03, 2020 |
Maturity | Feb. 03, 2025 |
Interest rate (%) | 2.13% | 2.13%
Amounts issued for the subsequent period | $ |  | $ 300,000
#54-1 non-guaranteed corporate bond |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Midland Power Co., Ltd. |
Issue date | Feb. 25, 2020 |
Maturity | Feb. 25, 2040 |
Interest rate (%) | 1.53% | 1.53%
Amounts issued for the subsequent period | ₩ 50,000 |
#54-2 non-guaranteed corporate bond |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Midland Power Co., Ltd. |
Issue date | Feb. 25, 2020 |
Maturity | Feb. 25, 2050 |
Interest rate (%) | 1.53% | 1.53%
Amounts issued for the subsequent period | ₩ 120,000 |
#55 non-guaranteed corporate bond |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date | Mar. 18, 2020 |
Maturity | Mar. 18, 2040 |
Interest rate (%) | 1.59% | 1.59%
Amounts issued for the subsequent period | ₩ 80,000 |
#55-1 non-guaranteed corporate bond |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date | Apr. 02, 2020 |
Maturity | Apr. 02, 2040 |
Interest rate (%) | 1.80% | 1.80%
Amounts issued for the subsequent period | ₩ 50,000 |
#55-2 non-guaranteed corporate bond |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date | Apr. 02, 2020 |
Maturity | Apr. 02, 2050 |
Interest rate (%) | 1.80% | 1.80%
Amounts issued for the subsequent period | ₩ 50,000 |
Foreign short-term borrowing 1 |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Western Power Co., Ltd. |
Issue date | Feb. 06, 2020 |
Maturity | May 06, 2020 |
Interest rate (%) | 1.97% | 1.97%
Amounts issued for the subsequent period | $ |  | $ 24,658
Foreign short-term borrowing 2 |  |
Subsequent Events - Issuance of bonds [Line Items] |  |
company name | Korea Western Power Co., Ltd. |
Issue date | Feb. 06, 2020 |
Maturity | May 26, 2020 |
Interest rate (%) | 1.86% | 1.86%
Amounts issued for the subsequent period | $ |  | $ 7,329

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