FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Trehan Rita   2. Issuer Name and Ticker or Trading Symbol AES CORP [AES] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice President Human Resources (Last) (First) (Middle) 4300 WILSON BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 02/17/2012 (Street) ARLINGTON, VA 22203 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/17/2012   A   8,628 A (1) 21,970 D   Common Stock 02/17/2012   A   6,510 A (2) 28,480 D   Common Stock 02/17/2012   F   1,008 (3) D $ 13.7 27,472 D   Common Stock               1,914 (4) I By 401(k) Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$ 13.7

02/17/2012

A

34,162

(5)

02/17/2022

Common Stock

34,162

$ 0

34,162

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Trehan Rita 4300 WILSON BOULEVARD ARLINGTON, VA 22203			Vice President Human Resources

Signatures

Rita Trehan		02/22/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This restricted stock unit award ("RSU") was granted pursuant to The AES Corporation 2003 Long Term Compensation Plan and will vest in three equal annual installments beginning on February 17, 2013, if certain continuing employment conditions are satisfied. If such conditions are satisfied, each RSU entitles the holder to one share of AES Common Stock for each RSU granted.
(2)	Represents vesting of 2009 Performance Stock Units granted under the Issuer's 2003 Long Term Compensation Plan.
(3)	Reflects tax withholding in connection with settlement of one-third previously reported 2011 RSU award.
(4)	This includes an 8% (of base salary) discretionary retirement savings award granted pursuant to The AES Retirement Savings Plan (the "Plan") as determined by The AES Corporation Board of Directors on February 17, 2012 subject to applicable IRS contribution limits. The closing stock price on February 17, 2012 was used to determine the number of shares awarded. Between January 4, 2012 and February 17, 2012, this reporting person acquired an additional 240 shares of AES Common stock under the Plan, which are included in this amount.
(5)	This stock option award was granted pursuant to The AES Corporation 2003 Long Term Compensation Plan and will vest in three equal annual installments if certain continuing employment conditions are satisfied. If such conditions are satisfied, the first installment becomes exercisable on February 17, 2013, and the next two installments become exercisable on February 17, 2014 and February 17, 2015, respectively.

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