Ownership Submission
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 *
Rich Elizabeth G
   2. Issuer Name and Ticker or Trading Symbol
ORION ENERGY SYSTEMS, INC. [OESX] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
ELIZABETH GAMSKY RICH & ASSOCIATES SC, 637 WALTON DRIVE, SUITE 1		 3. Date of Earliest Transaction (Month/Day/Year)
05/28/2013
(Street)

PLYMOUTH, WI 53073		 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 05/28/2013   A   2,075 A $ 0 (1) 5,666 D  

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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 Options (right to buy) $ 2.86             08/10/2011(2) 08/10/2020 Common Stock 19,912   19,912 D  
Stock Options (right to buy) $ 4.19             05/23/2012(3) 05/23/2021 Common Stock 22,045   22,045 D  
Stock Options (right to buy) $ 2.03             06/12/2013(4) 06/12/2022 Common Stock 26,646   26,646 D  
Stock Options (right to buy) $ 2.41 05/28/2013   A   36,568   12/31/2013(5) 05/28/2023 Common Stock 36,568 $ 0 36,568 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Rich Elizabeth G
ELIZABETH GAMSKY RICH & ASSOCIATES SC
637 WALTON DRIVE, SUITE 1
PLYMOUTH, WI 53073		   X      

Signatures

 /s/ Steven R. Barth, Attorney-in-Fact for Elizabeth G. Rich   05/30/2013
**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) Shares granted in lieu of cash for quarterly retainer and annual Committee Chairman fees pursuant to Issuer's 2004 Stock and Incentive Awards Plan.
(2) Grant to reporting person of option to buy shares under the 2004 Stock and Incentive Awards Plan. This option, granted August 10, 2010, vests and becomes exercisable in three equal installments on August 10, 2011, 2012 and 2013, respectively.
(3) Grant to reporting person of option to buy shares under the 2004 Stock and Incentive Awards Plan. This option, granted May 23, 2011, vests and becomes exercisable in three equal installments on May 23, 2012, 2013 and 2014, respectively.
(4) Grant to reporting person of option to buy shares under the 2004 Stock and Incentive Awards Plan. This option, granted June 12, 2012, vests and becomes exercisable in three equal installments on June 12, 2013, 2014 and 2015, respectively.
(5) Grant to reporting person of option to buy shares under the 2004 Stock and Incentive Awards Plan. This option, granted May 28, 2013, vests and becomes exercisable in three equal installments on December 31, 2013, 2014 and 2015, respectively.

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