FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   TREDGER GORDON 2. Date of Event Requiring Statement (Month/Day/Year) 04/27/2012 3. Issuer Name and Ticker or Trading Symbol ADVANCED ENERGY INDUSTRIES INC [AEIS] (Last) (First) (Middle) 1625 SHARP POINT DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President SEBU 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) FORT COLLINS, CO 80525 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Options (right to buy)	  (1)	  (2)	Common Stock (the underlying security)	50,906	$ 11.02	D	Â
Performance Stock Options (right to buy)	  (1)	  (2)	Common Stock (the underlying security)	50,906	$ 11.02	D	Â
Performance Stock Options (right to buy)	  (1)	  (2)	Common Stock (the underlying security)	50,906	$ 11.02	D	Â
Performance Units	  (3)	  (2)	Common Stock	59,392	$ (4)	D	Â
Performance Units	  (3)	  (2)	Common Stock	59,392	$ (4)	D	Â
Performance Units	  (3)	  (2)	Common Stock	59,392	$ (4)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
TREDGER GORDON 1625 SHARP POINT DRIVE FORT COLLINS, CO 80525	Â	Â	  President SEBU	Â

Signatures

/s/ Thomas O. McGimpsey (Attorney-in-fact)		05/04/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	These 1/3/2012 grants of performance options relate to the 2012, 2013, 2014 performance periods and represent the maximum amount that may vest for each year, respectively, assuming the Company achieves the respective year's annual stretch goal for return on net assets ("RONA"). The performance options may vest fewer than the maximum amount, provided that the Company achieves the posative operating income.
(2)	If the performance metrics for the reporting year have not been met as determined by the Compensation Committee, the unvested options and units for the applicable year will expire immediately. If any of the options vest, they will cancel ten years from the grant date.
(3)	These 1/3/2012 awards of restricted stock performance units relate to the 2012, 2013 and 2014 performance periods, respectively, and represent the maximum amount that may vest for each year assuming the Company achieves the respective year's annual streatch goal for RONA. The restricted stock performance units may vest fewer than the maximum amount provided that the Company achieves positive operating income.
(4)	Each restricted stock performance unit issued 1/3/2012 represents a right to receive one share of common stock or the cash equilavant.

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