Form 6-K KOREA ELECTRIC POWER For: Jun 02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the Month of June 2026

Commission File Number 001-13372

KOREA ELECTRIC POWER CORPORATION

(Translation of registrant’s name into English)

55 Jeollyeok-ro, Naju-si, Jeollanam-do, 58322, Korea

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒      Form 40-F ☐

Korea Electric Power Corporation (“KEPCO”) hereby calls the extraordinary general meeting of shareholders (“EGM”) pursuant to a board resolution adopted on June 2, 2026 and seeks the attendance of its shareholders. Shareholders who are registered in the KEPCO’s shareholders’ registry on May 4, 2026 will be entitled to exercise their voting rights at this EGM.

The following is an English translation of the notice given to the shareholders in connection with the EGM:

To: Shareholders

From: Kim, Dong-Cheol, President & CEO of KEPCO

We hereby call the fiscal year 2026 EGM pursuant to Article 18 of the Articles of Incorporation of Korea Electric Power Corporation as follows and seek your attendance. Pursuant to Article 542-4 of the Commercial Act of the Republic of Korea, this notice shall be in lieu of notices to be given to the shareholders.

KEPCO Headquarters

Details of the proposed agenda for the EGM are attached hereto.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: June 2, 2026

Attachment

Agenda 1. Election of two Standing Directors

1-1. Baek, Woo-Ki

The nominee, Mr. Baek, Woo-Ki has served in various key positions within Korea Electric Power Corporation, including Vice President, Head of Office of the President & CEO, Head of KEPCO Management Research Institute, Vice President of Regional Headquarters KEPCO Namseoul, and Executive Vice President and Chief Sales Officer. Throughout his tenure, he has demonstrated outstanding expertise and organizational management capabilities, and we hereby propose to elect him as a standing director.

The nominee is a management expert well-versed in corporate strategy and financing. He has played a pivotal role in formulating and executing management strategies to respond to financial crises and paradigm shifts in the electric power industry. Furthermore, he has generated tangible results by enhancing corporate value through the establishment of the Employee Stock Ownership Association, and leading IT-based customer service innovations, such as building an integrated energy-saving platform and launching the KEPCO ON service.

If the nominee is elected as Corporate Senior Vice President and Chief Financial & Strategic Planning Officer, he is expected to execute optimal management strategies in response to changes in the power industry environment based on his expertise and extensive experience across the organization. This will contribute to securing financial soundness at an early stage and helping Korea Electric Power Corporation leap forward as the world’s top utility company.

1-2. Chun, Chan-Hyuk

The nominee, Mr. Chun, Chan-Hyuk has served in various key positions in the overseas and nuclear sectors within Korea Electric Power Corporation, including Assistant Vice President, Head of Nuclear Project Management Team, Vice President, Head of Offshore Wind Power Business Department, and Vice President, Head of Global Business Department. Throughout his tenure, he has demonstrated outstanding capabilities and performance, and we hereby propose to elect him as a standing director.

The nominee contributed to stabilizing the UAE nuclear power project by securing EBL worth USD 900 million during the COVID-19 pandemic. While serving as the Head of the Global Business Department, he played a leading role in generating KRW 1.5 trillion in future profits through the largest-ever order intake reaching 8GW. In addition, he has proven his expertise and crisis management capabilities by demonstrating outstanding crisis management skills amidst conflicts in the Middle East and stably leading overseas businesses.

If the nominee is elected as Corporate Senior Vice President and Chief Global & New Business Officer, he is expected to preempt the rapidly growing global energy infrastructure market based on his expertise and accumulated experience. This will maximize nuclear export capabilities, thereby creating new growth engines for Korea Electric Power Corporation and contributing to enhancing shareholder values.

Agenda 2. Election of two Non-Standing Audit Committee Members

2-1. Jung, Do-Jin

The nominee, Mr. Jung, Do-Jin possesses a high level of expertise in the fields of finance and accounting as a professor of financial accounting. Serving as the Director of the Government Accounting and Finance Statistics Center of Korea Institute of Public Finance, and as the Chairperson of Audit Committee at Hanwha Aerospace, he has demonstrated a profound understanding of public enterprise accounting and corporate audit operations. Therefore, he is nominated as a member of the Audit Committee of KEPCO.

If the nominee is elected as a member of the Audit Committee, it is expected that he would demonstrate his high expertise in managing overall businesses, especially in the fields of internal control and financial management based on his audit experiences. He is also anticipated to contribute to enhancing shareholder values as well as maintaining the professionalism and independence of the Audit Committee.

2-2. Hwang, Jeong-Hwa

The nominee, Ms. Hwang, Jeong-Hwa holds a wealth of expertise in the legal field as an attorney at law. Having served as a Legal Advisor to the Ministry of Environment and as the Representative of the Asian Citizen’s Center for Environment and Health, she has shown a profound understanding of ESG management for public corporations. Therefore, she is nominated as a member of the Audit Committee of KEPCO.

If the nominee is elected as a member of the Audit Committee, it is expected that she would demonstrate her high expertise in managing overall businesses, especially in the fields of internal control based on her audit experiences in various organizations. She is also highly anticipated to contribute significantly to enhancing shareholder values as well as maintaining the professionalism and independence of the Audit Committee.

Reference to the Shareholders:

Composition of the Board of Directors

After the election as listed in this Notice, the board of directors of KEPCO is expected to be composed of the following individuals: