- Report of Foreign Issuer (6-K)

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

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

Securities Exchange Act of 1934

For the Month of October, 2010

KOREA ELECTRIC POWER CORPORATION

(Translation of registrant’s name into English)

411, Yeongdong-daero, Gangnam-gu, Seoul 135-791, 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 x Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ¨ No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- .

This Report of Foreign Private Issuer on Form 6-K is deemed filed for all purposes under the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended.

Korea Electric Power Corporation (“KEPCO”) hereby announces its unaudited non-consolidated estimated earnings results for the first nine months ended September 30, 2009 and 2010 as attached hereto.

Disclaimer:

The financial information relating to the non-consolidated results of operations of Korea Electric Power Corporation (“KEPCO”) for the first nine months ended September 30, 2009 and 2010 as presented below (the “Information”) has been prepared by KEPCO based on preliminary internal estimates. The Information has been prepared on a non-consolidated basis based on Korean GAAP. The Information has neither been audited nor reviewed by KEPCO’s independent accountants, Deloitte Anjin LLC., or any other independent public accountants. The Information may differ significantly from the actual non-consolidated financial results of operations of KEPCO for the first nine months ended September 30, 2010, and accordingly should not be relied upon for investment, including but not limited to purchase of any securities, or for other purposes.

Korea Electric Power Corporation

PRELIMINARY NON-CONSOLIDATED STATEMENTS OF INCOME (Unaudited)

For the first nine months ended September 30, 2009 and 2010


(Unit : in billions of Korean Won)	3Q 2010 (Jan.~Sep.)			3Q 2009 (Jan.~Sep.)		Change
Operating revenues:		28,885			25,054		15.3	%

Sale of electric power		28,142			24,781		13.6	%
Other operating revenues		282			249		13.1	%
Revenues for other businesses		461			24		1834.0	%

Operating expenses:		30,761			24,974		23.2	%

Purchased power		26,035			20,875		24.7	%
Maintenance		500			548		(8.7	)%
Depreciation		1,517			1,494		1.5	%
Other operating expenses		2,254			2,018		11.7	%
Expenses for other businesses		455			39		1055.1	%

Operating income		(1,876	)		80		(2448.4	)%

Non-operating income:		2,804			1,778		57.7	%

Gain on foreign currency transactions and translation		147			174		(15.8	)%
Investment income from affiliates		2,327			1,262		84.4	%
Other		330			342		(3.5	)%

Non-operating expenses:		1,098			1,425		(23.0	)%

Interest expenses		858			761		12.8	%
Loss on foreign currency transactions and translation		43			529		(92.0	)%
Investment loss from affiliates		42			27		58.8	%
Other		155			108		43.5	%

Earnings before taxes		(170	)		433		(139.3	)%

Provision for income taxes		(119	)		144		(182.6	)%

Net income		(51	)		289		(117.7	)%

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.