SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 11-K
(Mark One)
[X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2004
OR
[ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from ____ to ____
Commission file number 333-82306
A. Full title of the plan and the address of the plan, if different from that of the issuer named below:
Mid-America Energy Resources Employee Retirement Plan
B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:
The AES Corporation
1001 North 19th Street
Arlington, VA 22209