Korea Electric Power Corporation

A public enterprise established in 1961, the sole domestic electricity transmission and distribution operator with a 51% government stake, whose performance is heavily influenced by tariff regulation

Korea Electric Power Corporation

Overview

Korea Electric Power Corporation (Korean: 한국전력공사; Hanja: 韓國電力公社; abbreviated KEPCO) is a public enterprise that effectively monopolizes the transmission, transformation, distribution, and sale of electric power in the Republic of Korea. It was established on July 1, 1961 through the merger of three companies—Chosun Electric Power (조선전업), Gyeongseong Electric (경성전기), and Namseon Electric (남선전기)—and is designated as a public institution in the 'other public institution' category under the Ministry of Trade, Industry and Energy. The generation sector has been separated into Korea Hydro & Nuclear Power and five thermal power generation subsidiaries; KEPCO also has the character of an intermediate holding company that controls these subsidiaries.

Main Content

Establishment and History

After launching through the merger of the three electric power companies from the Japanese colonial period, it was reorganized as Korea Electric Power Corporation in 1982 under the Korea Electric Power Corporation Act. It was listed on the KOSPI in 1989, with some private shareholding, and in 2001 carried out a structural reform separating the generation sector and establishing Korea Hydro & Nuclear Power and five generation subsidiaries (Namdong, Jungbu, Seobu, Nambu, and Dongseo Power; 남동·중부·서부·남부·동서발전). In 2014, it relocated its headquarters from Samseong-dong, Seoul, to Bitgaram-dong, Naju, Jeollanam-do, and is cited as a representative case of relocation to an innovation city.

Business Areas

Its core business is electricity sales—purchasing electricity from generation companies and supplying it to customers through transmission and distribution networks. In addition, it carries out construction and operation of transmission and substation facilities, power system operation (supply-demand management), advanced metering infrastructure (AMI), electric vehicle charging, energy efficiency projects, and overseas power projects (power plant construction and operation consulting). Overseas, it has participated in supporting the operation of the Barakah nuclear power plant in the United Arab Emirates and in generation and transmission projects in Saudi Arabia, Indonesia, the Philippines, and elsewhere.

Organization and Governance

The government (Ministry of Economy and Finance and Ministry of Trade, Industry and Energy) is the controlling shareholder with about a 51% stake, and the remainder consists of general shareholders and foreign investors. The highest decision-making body is the board of directors, and the president is appointed by the President of the Republic of Korea after recommendation by the executive recommendation committee. Subsidiaries include Korea Hydro & Nuclear Power, five generation subsidiaries, KEPCO Engineering & Construction, KEPCO KPS, and KEPCO KDN, which together with these subsidiaries form the 'KEPCO Group.' Labor unions include the National Electric Power Workers' Union.

Financials and Tariff System

KEPCO's performance has the structural characteristic of being determined by the spread between electricity rates and fuel costs (nuclear, coal, LNG). Because cost changes are not reflected immediately but adjusted according to the government's decisions to raise or lower rates, a pattern repeats in which large losses occur during periods of sharp rises in international energy prices and profits occur during stable periods. Indeed, in 2022, soaring fuel costs and frozen rates combined to produce an operating loss in the range of about KRW 30 trillion, the largest loss in its history; afterward, phased rate increases and stabilized fuel costs greatly reduced the loss in 2023, and it turned to a profit in 2024. Accordingly, accumulated debt, interest cost burden, and restoration of financial soundness remain major management tasks.

Major Issues

The most acute issue is electricity tariff regulation and cost recovery. Because rate increases directly affect inflation and industrial competitiveness, political sensitivity is very high. In addition, changes in the generation mix due to the transition between anti-nuclear and pro-nuclear policies, grid connection costs from the expansion of renewable energy, and conflicts over transmission network construction (Miryang, Ulsan, Honam-Seoul metropolitan area HVDC, etc.) are continuing pending issues. Recently, controversy over the supply of industrial electricity below cost and discussions on reforming the electricity wholesale market (SMP) system are proceeding together.

Latest Trends

The key keyword for 2024–2025 is 'AI and data center power demand.' As large data centers for AI training and inference and semiconductor clusters are built one after another, power demand has risen rapidly, centered on the Seoul metropolitan area, and KEPCO is accelerating the expansion of substations and transmission lines. Through the 11th Basic Plan for Electricity Supply and Demand, the government presented a practical energy mix that combines nuclear, renewables, and, when necessary, LNG, and KEPCO is increasing ESS and HVDC investments to secure grid stability along with expanding the nuclear share.

On the tariff side, discussions continue on the fuel cost pass-through system and tariff system reform (time-of-use rates for residential use, making industrial rates reflect actual costs). In 2024, industrial rate increases were implemented, and in 2025, additional increases to eliminate accumulated losses and improve the financial structure, as well as whether to resume dividends, became matters of market interest. In addition, under a strategy to move beyond its status as an electricity seller and transform into an energy platform company, KEPCO is fostering EV charging, distributed energy intermediation, and overseas green hydrogen and transmission projects as new growth engines. Responding to the climate crisis and the expansion of RE100 demand are also directly affecting KEPCO's long-term business portfolio.