Korea Electric Power Corporation

Korea Electric Power Corporation, or KEPCO, is South Korea's largest electric utility and the principal corporate institution in the country's electricity industry. The company is responsible for the transmission and distribution of electricity throughout South Korea and, through subsidiaries and affiliates, participates in generation, nuclear power, engineering, fuel manufacturing, plant maintenance, information technology and overseas power projects. KEPCO and its subsidiaries supplied or controlled the overwhelming majority of South Korea's electricity-generation capacity, accounting for approximately 96% of national generation in 2023 according to the referenced encyclopedia material. The company's institutional roots reach back to the late nineteenth century, when the Hanseong Electric Company was established during the Korean Empire. Hanseong Electric introduced electric street lighting, streetcars and early commercial electricity services in Seoul. Its first power plant was completed at Dongdaemun in 1899, and the company expanded electric lighting and tramway infrastructure across the capital. The early enterprise later became entangled in ownership disputes and the political and economic changes accompanying Japanese influence over Korea. The colonial administration subsequently consolidated electricity businesses, contributing to the institutional lineage of the modern national utility. The modern company was created in July 1961 as the Korea Electric Company through the merger of three electricity enterprises. It became wholly government-owned in 1982 and was renamed Korea Electric Power Corporation. KEPCO was listed on the Korea Stock Exchange in 1989 and on the New York Stock Exchange in 1994. Although South Korea began restructuring its electricity sector in the late 1990s and early 2000s, KEPCO remained the central holding and network company. In 2001, generation activities were separated into six specialized subsidiaries: Korea Hydro & Nuclear Power and five thermal-generation companies covering southeastern, central, western, southern and eastern regions. KEPCO's business scope includes electricity transmission, distribution and retail supply; power-system development; nuclear-energy engineering and project development; renewable-energy and conventional generation; fuel services; infrastructure maintenance; and digital systems for the electricity sector. Its principal generation subsidiaries operate nuclear, hydroelectric, coal, liquefied-natural-gas and other facilities. As of the end of 2023, the KEPCO group was reported to have approximately 83,235 megawatts of installed capacity across 794 generation units, while its transmission network extended for roughly 35,596 circuit kilometres. Nuclear power is a particularly important part of the group. KEPCO's activities span reactor development, engineering, fuel, construction coordination, commissioning, operations, maintenance and decommissioning. In 2009, a KEPCO-led consortium won the contract to build four APR-1400 nuclear-reactor units at the Barakah site in the United Arab Emirates, marking the company's most prominent overseas nuclear export. KEPCO has also explored small modular and floating nuclear-reactor concepts and has maintained international engineering and investment interests, although some proposed projects did not proceed. KEPCO relocated its headquarters from Seoul to Naju in August 2014 as part of South Korea's public-sector decentralization policy. The move helped establish the Bitgaram Innovation City and the associated Energy Valley development zone. The company also promotes international cooperation through offices and project activities in regions including the Middle East, Asia, Africa, Europe and the Americas. Its institutional role combines public-service obligations, infrastructure stewardship and commercial overseas expansion, making it both a national utility and a major state-linked energy enterprise.

KEPCO was created in 1961 as South Korea consolidated public electricity operations during the country's industrialization. Its development paralleled the rapid expansion of manufacturing, urbanization and household electrification. For much of the postwar period, an integrated state utility planned and operated the main electricity system, investing in generation capacity, transmission networks and distribution infrastructure to support national economic growth. The company's role changed during the electricity-sector restructuring of the late 1990s and early 2000s. South Korea sought to introduce competition and separate parts of the vertically integrated utility. KEPCO's generation assets were divided among several generation companies, and Korea Hydro & Nuclear Power was established as the specialist nuclear and hydroelectric generation affiliate. Although the broader reform agenda did not produce a fully competitive retail market, KEPCO continued as the central transmission, distribution and electricity-sales company and remained the parent of a large energy group. Nuclear power became an important element of the group's technical and international identity. KEPCO's affiliates operated Korean nuclear facilities and developed capabilities in project management, engineering and construction. In 2009, a Korean consortium led by KEPCO was selected for the Barakah nuclear power project in the United Arab Emirates. The project was a major overseas reference for Korean nuclear technology and reinforced the group's ambition to participate in international power infrastructure. KEPCO also expanded or supported overseas businesses in conventional generation, renewable energy, transmission, distribution, engineering and energy services. These activities complemented its domestic public-utility role but exposed the group to project, currency, regulatory and geopolitical risks. At home, the company remained closely connected to national energy policy, including decisions concerning the nuclear fleet, coal reduction, renewable deployment, emissions and grid expansion. The utility's finances became increasingly pressured when fuel and wholesale electricity costs rose faster than regulated retail tariffs. This problem intensified during the global energy shock that followed the COVID-19 period and Russia's invasion of Ukraine. KEPCO accumulated very large losses, sold assets and pursued cost reductions, while the government approved staged electricity-price increases. The financial episode highlighted the tension between affordable electricity for customers, the commercial requirements of a listed utility and the strategic need to maintain investment in generation and the grid. In the current energy transition, KEPCO is expected to modernize the transmission network, accommodate growing renewable generation, support electrification and preserve system reliability. Nuclear power remains important through group companies, while renewable energy, storage, digital grid management and decarbonization have become increasingly prominent. KEPCO consequently remains both a corporate group and a policy instrument: its performance is affected by market conditions, but its mission and pricing environment continue to reflect South Korea's broader economic and energy priorities.

1. 2022Energy-price shock produces exceptional financial pressure

   Higher fuel and wholesale-power costs, together with regulated retail prices, lead to an extraordinary deterioration in KEPCO's financial results.

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2. 2014Headquarters move to Naju

   KEPCO relocates its headquarters to the Naju Innovation City in South Jeolla Province as part of South Korea's public-institution relocation program.

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3. 2009Korean consortium wins the Barakah nuclear contract

   A KEPCO-led consortium is selected to build four nuclear units in the United Arab Emirates, creating a landmark Korean nuclear export project.

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4. 2001Generation is separated into group companies

   Electricity-sector restructuring separates KEPCO's generation operations into several generation companies, with Korea Hydro & Nuclear Power specializing in nuclear and hydroelectric generation.

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5. 1982KEPCO becomes a public corporation

   The company is reorganized as Korea Electric Power Corporation, providing the institutional basis for its modern corporate form.

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6. 1961Korea Electric Power Corporation is established

   KEPCO is formed as South Korea's national electricity utility during the country's early industrial-development period.

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A strategic, state-influenced national utility and integrated energy-group platform serving South Korea's electricity system and selected international markets.

• Electricity transmissionGrid infrastructure

  KEPCO owns and operates much of South Korea's high-voltage transmission infrastructure, moving electricity from generating facilities to regional distribution systems and major industrial demand centers. The business includes network expansion, maintenance, reliability management and connection of new generation, including renewable projects.

• Electricity distribution and retail supplyElectric utility services1961

  KEPCO distributes electricity to customers throughout South Korea and provides the country's principal retail electricity service. This includes metering, customer accounts, billing, service connections and operation of local distribution networks for residential, commercial and industrial users.

• Nuclear power generationNuclear energy2001

  Nuclear generation is conducted primarily through Korea Hydro & Nuclear Power, a KEPCO Group company. The business covers operation of Korean nuclear stations and related hydroelectric assets, while the wider group contributes engineering, project-management and international nuclear capabilities.

• Overseas power and energy infrastructureInternational energy projects

  KEPCO and its affiliates develop, invest in and provide engineering or operating support for selected overseas power projects. Activities have included nuclear, thermal, renewable and grid-related infrastructure, with the Barakah project serving as the group's best-known international nuclear reference.

• 2023Raise electricity tariffs during the financial recovery effortPrice change

  Imported fuel and wholesale electricity costs had risen sharply, while regulated retail prices had not fully reflected those increases, leaving KEPCO with substantial accumulated losses.

  What changed. South Korean authorities approved staged electricity-price increases and required the utility to pursue cost savings, asset sales and financial-recovery measures.

  Aftermath. The measures sought to narrow the cost-revenue gap but also increased household and business energy costs and intensified debate over utility governance and tariff policy.

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• 2009Pursue the Barakah nuclear export projectOther

  KEPCO sought to establish South Korea as a credible exporter of nuclear power technology and integrated project delivery.

  What changed. A KEPCO-led Korean consortium entered the United Arab Emirates nuclear program and won the contract for four Barakah units.

  Aftermath. Barakah became a major international reference project for the Korean nuclear industry and expanded KEPCO's profile beyond the domestic utility market.

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• 2001Restructure the electricity industryStrategy

  South Korea sought to improve efficiency and introduce competition by separating electricity generation from the transmission, distribution and sales functions centered on KEPCO.

  What changed. KEPCO's generation assets were reorganized into several specialized generation companies, including Korea Hydro & Nuclear Power, while KEPCO retained its central grid and retail roles.

  Aftermath. The reorganization created the modern KEPCO Group structure, although plans for a fully competitive electricity market were only partly implemented.

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• 2023Severe losses and electricity-pricing controversyControversy

  KEPCO’s exceptionally large losses during the global energy-price shock prompted public and political controversy over regulated electricity tariffs, executive accountability, debt, and the burden placed on households and businesses. The issue was principally a regulatory and financial crisis rather than a single product scandal.

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• 2013KEPCO executive indicted in nuclear-document falsification caseControversy

  A KEPCO vice-president was among approximately one hundred people indicted in connection with the falsification of nuclear-safety documents.

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• 2013Nuclear-safety document falsification indictmentsControversy

  A KEPCO vice-president was indicted with approximately one hundred other people in a case involving falsified nuclear-safety documents. The episode raised concerns about compliance and the reliability of documentation used in the nuclear-power supply chain.

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• 2023South Korea approves further electricity-price increases to support KEPCO's finances

  The government and regulators continued to raise electricity prices in stages while seeking to reduce the utility's accumulated losses and reflect higher system costs.

  PricingRegulation
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• 2023KEPCO reports approximately 83,235 MW of group installed capacity

  Referenced company information reported 83,235 MW of installed capacity across 794 generation units at the end of 2023, with generation spanning nuclear, coal, LNG, oil, hydro, wind and solar sources.

  Other
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• 2023South Korea continued reforms aimed at improving KEPCO's financial position

  The South Korean government and KEPCO pursued electricity-price adjustments, cost-control measures, and asset-management initiatives in response to the utility's accumulated losses and high financing requirements.

  PricingRegulation
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• 2023KEPCO raises electricity tariffs amid severe financial pressure

  South Korea approved further electricity-price increases as KEPCO faced very large operating losses caused by the gap between regulated retail prices and higher fuel and wholesale-electricity costs.

  PricingRegulation
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• 2023KEPCO announces self-rescue and cost-reduction measures

  The company presented measures intended to restore financial stability, including asset disposals, expenditure reductions, organizational changes, and efforts to improve the relationship between procurement costs and regulated electricity prices.

  Pricing
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• 2023Kim Dong-cheol appointed to lead KEPCO

  Kim Dong-cheol became KEPCO’s president and chief executive during a period dominated by the company’s accumulated losses, tariff policy, debt burden, and energy-transition challenges.

  Leadership change
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• 2022KEPCO records severe losses amid the energy-price shock

  Rapid increases in imported fuel and wholesale electricity costs, combined with regulated retail pricing, caused KEPCO to report exceptionally large losses and prompted renewed debate about electricity tariffs and utility finances.

  PricingOther
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• 2022KEPCO faced severe financial pressure during the global energy-price shock

  Higher international fuel and wholesale electricity costs, combined with regulated retail pricing, produced substantial financial pressure for KEPCO and intensified debate over electricity tariffs and the structure of South Korea's power market.

  PricingRegulationOther
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• 2020KEPCO explores floating small modular nuclear reactor

  KEPCO and Daewoo Shipbuilding & Marine Engineering signed a memorandum of understanding to develop a floating nuclear-power plant based on the BANDI-60 small modular reactor concept.

  Product launch
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• 2014KEPCO moves headquarters to Naju

  The company completed its relocation from Seoul to Bitgaram Innovation City in Naju as part of a South Korean government decentralization program.

  Other
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• 2009KEPCO and partners reach agreement for the Barakah nuclear project

  A Korean consortium led by KEPCO won the contract to build four nuclear power units at Barakah in the United Arab Emirates, establishing one of the country's most prominent energy-export projects.

  M&AOther
  Source
• 2009KEPCO consortium selected for Barakah nuclear project

  KEPCO won the contract to build four APR-1400 nuclear-reactor units in the United Arab Emirates, becoming a major example of South Korean nuclear-technology export.

  M&AOther
  Source
• 2001KEPCO generation businesses separated into six subsidiaries

  As part of South Korea's electricity-industry restructuring, KEPCO separated generation into Korea Hydro & Nuclear Power and five regional thermal-generation companies.

  Other
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1. KEPCO official corporate history
2. KEPCO official corporate website
3. Emirates Nuclear Energy Corporation: Barakah Nuclear Energy Plant
4. Reuters coverage of KEPCO financial losses
5. Reuters coverage of South Korean electricity-price increases
6. Severe losses and electricity-pricing controversy
7. KEPCO高管因核文件伪造案被起诉