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Subsequent Events - Summary of Subsequent Events (Details) - 12 months ended Dec. 31, 2023 $ in Thousands, ₩ in Millions | KRW (₩) | USD ($)
--- | --- | ---
Long-term borrowing (Mid- to long-term CP) |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name | [1] | Korea Electric Power Corporation |
Borrowing date | [1] | Feb. 21, 2024 |
Maturity | [1] | 2029.02.21 |
Interest rate (%) | [1] | 3M CD+0.49 |
Amounts issued for the subsequent period | [1] | ₩ 200,000 |
Long-term borrowing (Mid- to long-term CP) |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name | [1] | Korea Electric Power Corporation |
Borrowing date | [1] | Feb. 28, 2024 |
Maturity | [1] | 2029.02.28 |
Interest rate (%) | [1] | 3M CD+0.50 |
Amounts issued for the subsequent period | [1] | ₩ 200,000 |
Long-term borrowing (Mid- to long-term CP) |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name | [1] | Korea Electric Power Corporation |
Borrowing date | [1] | Apr. 05, 2024 |
Maturity | [1] | 2027.04.05 |
Interest rate (%) | [1] | 3M CD+0.34 |
Amounts issued for the subsequent period | [1] | ₩ 250,000 |
Long-term borrowing (Mid- to long-term CP) |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name | [1] | Korea Electric Power Corporation |
Borrowing date | [1] | Apr. 11, 2024 |
Maturity | [1] | 2027.04.09 |
Interest rate (%) | [1] | 3M CD+0.48 |
Amounts issued for the subsequent period | [1] | ₩ 250,000 |
Long-term borrowing |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | KEPCO Nuclear Fuel Co., Ltd. |
Borrowing date |  | Jan. 04, 2024 |
Maturity |  | 2026.12.28 |
Interest rate (%) |  | 3M Bank debenture rate+0.66 |
Amounts issued for the subsequent period |  | ₩ 10,000 |
FY24 Global 15th |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Electric Power Corporation |
Issue date |  | Jan. 31, 2024 |
Maturity |  | 2027.01.31 |
Interest rate (%) |  | 4.88 |
Amounts issued for the subsequent period | $ |  |  | $ 1,200,000
77-1 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date |  | Mar. 05, 2024 |
Maturity |  | 2029.03.05 |
Interest rate (%) |  | 5yr KTB rate+0.35 |
Amounts issued for the subsequent period |  | ₩ 150,000 |
77-2 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date |  | Mar. 05, 2024 |
Maturity |  | 2034.03.05 |
Interest rate (%) |  | 10yr KTB rate+0.41 |
Amounts issued for the subsequent period |  | ₩ 100,000 |
77-3 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date |  | Mar. 05, 2024 |
Maturity |  | 2044.03.05 |
Interest rate (%) |  | 20yr KTB rate+0.40 |
Amounts issued for the subsequent period |  | ₩ 60,000 |
78-1 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date |  | Mar. 25, 2024 |
Maturity |  | 2029.03.25 |
Interest rate (%) |  | 3.62 |
Amounts issued for the subsequent period |  | ₩ 100,000 |
78-2 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date |  | Mar. 25, 2024 |
Maturity |  | 2034.03.25 |
Interest rate (%) |  | 3.74 |
Amounts issued for the subsequent period |  | ₩ 90,000 |
78-3 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Hydro & Nuclear Power Co., Ltd. |
Issue date |  | Mar. 25, 2024 |
Maturity |  | 2044.03.25 |
Interest rate (%) |  | 3.72 |
Amounts issued for the subsequent period |  | ₩ 100,000 |
60-1 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Western Power Co., Ltd. |
Issue date |  | Jan. 16, 2024 |
Maturity |  | 2026.01.16 |
Interest rate (%) |  | 3.67 |
Amounts issued for the subsequent period |  | ₩ 150,000 |
60-2 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Western Power Co., Ltd. |
Issue date |  | Jan. 16, 2024 |
Maturity |  | 2029.01.16 |
Interest rate (%) |  | 3.73 |
Amounts issued for the subsequent period |  | ₩ 50,000 |
60-3 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Western Power Co., Ltd. |
Issue date |  | Jan. 16, 2024 |
Maturity |  | 2044.01.16 |
Interest rate (%) |  | 3.74 |
Amounts issued for the subsequent period |  | ₩ 20,000 |
61-1 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Western Power Co., Ltd. |
Issue date |  | Jan. 25, 2024 |
Maturity |  | 2025.01.24 |
Interest rate (%) |  | 3.54 |
Amounts issued for the subsequent period |  | ₩ 100,000 |
61-2 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Western Power Co., Ltd. |
Issue date |  | Jan. 25, 2024 |
Maturity |  | 2027.01.25 |
Interest rate (%) |  | 3.73 |
Amounts issued for the subsequent period |  | ₩ 40,000 |
61-3 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Western Power Co., Ltd. |
Issue date |  | Jan. 25, 2024 |
Maturity |  | 2044.01.25 |
Interest rate (%) |  | 3.82 |
Amounts issued for the subsequent period |  | ₩ 10,000 |
72-1 Corporate Bonds |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Southern Power Co., Ltd. |
Issue date |  | Jan. 11, 2024 |
Maturity |  | 2027.01.11 |
Interest rate (%) |  | 3.70 |
Amounts issued for the subsequent period |  | ₩ 70,000 |
72-2 Corporate Bonds |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea Southern Power Co., Ltd. |
Issue date |  | Jan. 11, 2024 |
Maturity |  | 2029.01.11 |
Interest rate (%) |  | 3.79 |
Amounts issued for the subsequent period |  | ₩ 30,000 |
47-1 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea East-West Power Co., Ltd. |
Issue date |  | Apr. 08, 2024 |
Maturity |  | 2027.04.08 |
Interest rate (%) |  | 3.62 |
Amounts issued for the subsequent period |  | ₩ 30,000 |
47-2 Corporate bond |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Company name |  | Korea East-West Power Co., Ltd. |
Issue date |  | Apr. 08, 2024 |
Maturity |  | 2029.04.06 |
Interest rate (%) |  | 3.67 |
Amounts issued for the subsequent period |  | ₩ 50,000 |
[1] | The maturity of mid- to long-term CPs corresponds to contract period of commercial paper repurchase agreements.

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