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. The institutional history behind KEPCO begins with the introduction of electric lighting and electric transportation in the late nineteenth century. Hansung Electric Company was established in 1898 during the Korean Empire and developed early electric lighting and streetcar operations in Seoul. The company opened a streetcar route between Seodaemun and Cheongnyangni in 1899 and began supplying electric lighting to civilian customers around the turn of the century. These projects established the foundations of Korea’s modern electricity industry, although ownership and management changed repeatedly during the following decades. In the early twentieth century, electricity and gas businesses were reorganized under new corporate structures. Hansung Electric’s business was transferred into an American-Korean corporate arrangement in 1904, and the enterprise was later acquired by Ilhan Gas Company. The latter became Kyungsung Electric Company in 1915. During the colonial period, electricity companies were consolidated and reorganized as the power system expanded. Southern Korea was served by several major enterprises, including Kyungsung Electric, Namsun Electric, and Chosun Electric. After liberation, the three companies became part of the difficult process of handling formerly Japanese-controlled assets. Korea’s electricity system was weakened by wartime destruction, limited generating capacity, and fragmented administration. The need to support industrialization made reliable electricity supply a central national-development objective. Discussions about merging the three companies continued through the 1950s, alongside broader debates about state ownership, corporate autonomy, and the structure of the electricity industry. In 1961, the Korean government consolidated Chosun Electric, Kyungsung Electric, and Namsun Electric into Korea Electric Power Company. The merger created a nationwide electricity institution responsible for coordinated development of generation and networks. Early expansion included new thermal facilities and regional plants, followed by major investment in hydroelectric, pumped-storage, fossil-fuel, and nuclear capacity. Generation capacity grew substantially during the industrialization period, helping alleviate the chronic electricity shortages that had followed liberation and the Korean War. The Korea Electric Power Corporation Act was promulgated in 1980, and the enterprise was converted into Korea Electric Power Corporation in January 1982 as a wholly government-invested public corporation. During the 1980s, KEPCO’s associated businesses and generation portfolio expanded, including nuclear-fuel activities and the commissioning of major nuclear and thermal units. The company’s shares were distributed through a public offering and listed on the Korean securities market in August 1989. It later obtained a New York Stock Exchange listing under the symbol KEP in 1994. A major structural change occurred in 2001, when generation functions were separated into several specialized subsidiaries and the Korea Power Exchange was established as part of electricity-industry restructuring. KEPCO subsequently focused on transmission, substations, distribution, retail sales, system planning, and related energy services rather than directly operating the bulk of the country’s generation fleet. Its affiliated generation companies include Korea Hydro & Nuclear Power and five major thermal-generation subsidiaries. In the 2010s, KEPCO moved its headquarters from Seoul to Naju in the Gwangju–Jeonnam innovation area. The company also broadened its portfolio through overseas projects, smart-grid research, renewable energy, energy storage, electric-vehicle charging, digital asset management, and energy-efficiency services. Its contemporary strategy emphasizes a reliable and cleaner power system, network reinforcement, carbon reduction, and technology-led energy businesses. KEPCO remains a public-interest utility whose performance is closely tied to national industrial policy, electricity affordability, energy security, and the long-term transition to a lower-carbon economy.

• 2022

  Energy-price shock produces exceptional financial pressure

  [4]Reuters coverage of KEPCO financial lossesreuters.com

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

• 2014

  Headquarters move to Naju

  [1]KEPCO official corporate historyhome.kepco.co.kr

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

• 2009

  Korean consortium wins the Barakah nuclear contract

  [3]Emirates Nuclear Energy Corporation: Barakah Nuclear Energy Plantenec.gov.ae

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

• 2001

  Generation is separated into group companies

  [1]KEPCO official corporate historyhome.kepco.co.kr

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

• 2001

  Generation restructuring

  [10]Korea Electric Power Corporation, Namuwikinamu.wiki

  Large generation operations were separated into specialized subsidiaries, leaving KEPCO focused primarily on transmission, distribution, and retail supply.

• 1994

  New York Stock Exchange listing

  [7]KEPCO stock and listing informationkepco.co.kr

  KEPCO's American depositary securities began trading in New York under the ticker KEP.

• 1989

  Domestic public listing

  [7]KEPCO stock and listing informationkepco.co.kr

  KEPCO shares were listed on South Korea's securities market following a public share offering.

• 1982

  KEPCO becomes a public corporation

  [1]KEPCO official corporate historyhome.kepco.co.kr

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

• 1961

  Korea Electric Power Corporation is established

  [1]KEPCO official corporate historyhome.kepco.co.kr

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

• 1961

  Three electricity companies merged

  [8]Korea Electric Power Corporation, Encyclopedia of Korean Cultureencykorea.aks.ac.kr

  Chosun Electric, Kyungsung Electric, and Namsun Electric were consolidated into Korea Electric Power Company on July 1.

• 1915

  Ilhan Gas becomes Kyungsung Electric

  [9]Korea Electric Power Corporation, Korean Wikipediako.wikipedia.org

  The predecessor business was reorganized under the name Kyungsung Electric Company.

• 1900

  Civilian electric lighting begins

  [8]Korea Electric Power Corporation, Encyclopedia of Korean Cultureencykorea.aks.ac.kr

  The company began supplying electric lighting to civilian users, marking an early step in commercial electricity service.

• 1899

  First major Seoul streetcar route opens

  [8]Korea Electric Power Corporation, Encyclopedia of Korean Cultureencykorea.aks.ac.kr

  An electric streetcar route connecting Seodaemun and the Cheongnyangni area opened, demonstrating the early integration of electricity and urban transport.

• 1898

  Hansung Electric Company established

  [8]Korea Electric Power Corporation, Encyclopedia of Korean Cultureencykorea.aks.ac.kr

  Hansung Electric Company was established and became the institutional starting point of Korea's modern electric-power industry.

A strategic, state-influenced national utility and integrated energy-group platform serving South Korea's electricity system and selected international markets. A state-controlled national grid operator and retail electricity provider, combining public-service obligations with infrastructure investment, energy-transition technology, and overseas energy businesses. A strategic, state-influenced national utility and integrated energy-group platform serving South Korea's electricity system and selected international markets, combining public-service obligations with infrastructure investment, energy-transition technology, and overseas energy businesses.

• Grid infrastructure

  Electricity transmission

  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. KEPCO operates and develops the high-voltage transmission system that moves electricity from generation resources and interconnection points toward regional load centers. The activity includes network planning, line and substation investment, system reliability, asset inspection, maintenance, and expansion for industrial and electrification demand.

• Electric utility services · 1961

  Electricity distribution and retail supply

  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. Retail electricity sales are KEPCO’s principal customer-facing business. The company provides regulated electricity service, billing, payment, account administration, usage information, customer support, and outage reporting across South Korea. Its retail role connects wholesale electricity procurement and national grid operations with end users.

• Nuclear energy · 2001

  Nuclear power generation

  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.

• International energy projects

  Overseas power and energy infrastructure

  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.

• Utility service

  Electricity distribution

  The distribution business delivers electricity from substations to homes, commercial properties, public facilities, and industrial customers. It includes medium- and low-voltage networks, outage response, service connections, power-quality management, grid automation, and the gradual introduction of advanced distribution-management technologies.

• Digital customer service

  KEPCO ON

  KEPCO ON is a customer-service platform supporting electricity-bill inquiries and payments, account-name changes, and other common electricity-service processes. It represents the company's move toward integrated digital access for household and business customers.

• Electric-vehicle charging service

  KEPCO PLUG

  KEPCO PLUG provides information about electric-vehicle charging locations and the operating status of charging equipment. The service supports the wider electrification ecosystem and helps connect transport-energy users with charging infrastructure.

• Smart-grid technology

  Advanced Distribution Management System

  KEPCO's Advanced Distribution Management System is designed to improve the monitoring and operation of distribution networks. Its functions include greater visibility of network conditions, more responsive control, customer-oriented solutions, and improved resilience as distributed energy resources and variable demand become more significant.

• Energy-transition technology

  Energy Storage System solutions

  KEPCO develops and operates energy-storage technologies and related control systems to support grid stability, flexibility, and the integration of renewable generation. Its publicly described technology portfolio includes energy-storage operations and supercapacitor-related solutions.

• 2023

  Severe losses and electricity-pricing controversy

  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.

  Source

• 2013

  Nuclear-safety document falsification indictments

  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.

  Source

Read more

• 2025Energy transition and climate-crisis response

  South Korea

  KEPCO promoted the energy transition and climate-crisis response through corporate television advertising and related public communications.

  Outcome. The material identifies the campaign theme but does not report a separately measured outcome.

  Source
• 2024Summer and winter energy-saving campaigns

  South Korea

  KEPCO continued seasonal public campaigns encouraging electricity conservation during periods of elevated cooling and heating demand.

  Outcome. The campaigns supported public demand-management messaging; no quantified outcome is reported in the source.

  Source
• 2023National 1 kWh per day electricity-saving campaign

  South Korea

  KEPCO participated in a nationwide summer campaign encouraging people to save one kilowatt-hour of electricity per day. The campaign combined public awareness material with behavior-oriented advertising.

  Outcome. The campaign promoted conservation and demand management; the cited material does not provide a verified quantified result.

  Source
• 2019The power to change Korea

  South Korea

  KEPCO used the theme "The Power to Change Korea" in corporate advertising focused on the company's social and national role.

  Outcome. The source records the campaign as corporate advertising but does not report a quantified outcome.

  Source
• 2016KEPCO’s mission and future television campaign

  South Korea

  A television advertising series presented KEPCO's public mission, electricity infrastructure role, and future-oriented identity.

  Outcome. The campaign served as corporate and public-service communication; a measurable commercial outcome was not stated.

  Source

• 2024

  Creation of an energy-new-business advisory committeeStrategy

  Background

  KEPCO identified new energy technologies and businesses as important to its future growth and energy-transition strategy.

  Action taken

  The company established an external advisory committee to review business opportunities and strategic priorities.

  Aftermath

  The initiative was intended to bring outside expertise into commercialization, innovation, and new-business planning.

  Source

• 2023

  Raise electricity tariffs during the financial recovery effortPrice change

  Background

  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.

  Action taken

  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.

  Source

• 2009

  Pursue the Barakah nuclear export projectOther

  Background

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

  Action taken

  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.

  Source

• 2001

  Restructure the electricity industryStrategy

  Background

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

  Action taken

  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.

  Source

• 2001

  Separation of generation businessesStrategy

  Background

  Electricity-industry restructuring sought to separate generation from the transmission, distribution, and retail functions of the integrated utility.

  Action taken

  Large nuclear and thermal generation operations were transferred into specialized subsidiaries, while KEPCO retained the core network and retail role.

  Aftermath

  KEPCO's operating identity shifted from an integrated generator and utility toward a national transmission, distribution, and electricity-sales company.

  Source

• 1982

  Conversion into a public corporationStrategy

  Background

  The government sought a statutory public corporation structure for national electricity development and supply stability.

  Action taken

  Under the Korea Electric Power Corporation Act, Korea Electric Power Company was reorganized as Korea Electric Power Corporation.

  Aftermath

  KEPCO became a wholly government-invested public corporation and later developed into a listed state-controlled utility.

  Source

• 1961

  Consolidation of the three major electricity companiesM&A

  Background

  Postwar Korea faced a fragmented electricity sector, damaged infrastructure, and insufficient supply for industrial development.

  Action taken

  The government combined Chosun Electric, Kyungsung Electric, and Namsun Electric into Korea Electric Power Company.

  Aftermath

  The merger created a nationwide institution capable of coordinated power-resource development and electricity-system planning.

  Source

• 2026.10.22

  Reported2026.10.23

  KEPCO wins UNLEASH Learning and Development Award[16]KEPCO获得UNLEASH学习与发展奖koreatimes.co.kr

  KEPCO won the UNLEASH Learning and Development Award in Paris for the second consecutive year. KEPCO said evaluators recognized its alignment of human resource development with business strategy, personalized training and integration with human resource management.

Read more

1. 1KEPCO official corporate historyhome.kepco.co.kr
2. 2KEPCO official corporate websitehome.kepco.co.kr
3. 3Emirates Nuclear Energy Corporation: Barakah Nuclear Energy Plantenec.gov.ae
4. 4Reuters coverage of KEPCO financial lossesreuters.com
5. 5Reuters coverage of South Korean electricity-price increasesreuters.com
6. 6KEPCO official websitekepco.co.kr
7. 7KEPCO stock and listing informationkepco.co.kr
8. 8Korea Electric Power Corporation, Encyclopedia of Korean Cultureencykorea.aks.ac.kr
9. 9Korea Electric Power Corporation, Korean Wikipediako.wikipedia.org
10. 10Korea Electric Power Corporation, Namuwikinamu.wiki
11. 11Who Is Kim Dong-cheol, president of KEPCObusinesspost.co.kr
12. 12KEPCO television advertising archivekepco.co.kr
13. 13https://www.kepco.co.krkepco.co.kr
14. 14Severe losses and electricity-pricing controversyreuters.com
15. 15Nuclear-safety document falsification indictmentsen.wikipedia.org
16. 16KEPCO获得UNLEASH学习与发展奖koreatimes.co.kr