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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Shrestha Sanjay K 2. Issuer Name and Ticker or Trading Symbol PLUG POWER INC [ PLUG ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Strategy Officer
(Last)         (First)         (Middle)
C/O PLUG POWER INC.,, 968 ALBANY-SHAKER ROAD
3. Date of Earliest Transaction (MM/DD/YYYY)
5/9/2020
(Street)
LATHAM, NY 12110
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  5/9/2020    M    50000  A  (1) 50000  D   
Common Stock  5/9/2020    F    15175 (2) D $4.31  34825  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Restricted Stock Unit   (1) 5/9/2020    M        50000    (3)  (3) Common Stock  50000  $0  100000  D   

Explanation of Responses:
(1)  Each restricted stock unit is the equivalent of one share of Plug Power Inc. common stock.
(2)  Tendered to Issuer to satisfy tax withholding obligations of Reporting Person in connection with the vesting of the Reporting Person's restricted stock unit awards.
(3)  On May 9, 2019, the Reporting Person was granted 150,000 restricted stock units, vesting in three substantially equal installments beginning on the first anniversary of the grant date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Shrestha Sanjay K
C/O PLUG POWER INC.,
968 ALBANY-SHAKER ROAD
LATHAM, NY 12110


Chief Strategy Officer

Signatures
/s/ Gerard L. Conway, Jr., Attorney-in-Fact 5/14/2020
**Signature of Reporting Person Date
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