FORM 10-K FOR YEAR ENDED DECEMBER 31, 2009

Company

FIRSTENERGY CORP

Filed

February 19, 2010

Period of Report

December 31, 2009

Accession Number

0001031296-10-000011

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →