<SEC-DOCUMENT>0001047469-19-001996-index.html : 20190405
<SEC-HEADER>0001047469-19-001996.hdr.sgml : 20190405
<ACCEPTANCE-DATETIME>20190405100916
ACCESSION NUMBER:		0001047469-19-001996
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20190509
FILED AS OF DATE:		20190405
DATE AS OF CHANGE:		20190405
EFFECTIVENESS DATE:		20190405

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLUG POWER INC
		CENTRAL INDEX KEY:			0001093691
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL INDUSTRIAL APPARATUS [3620]
		IRS NUMBER:				223672377
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34392
		FILM NUMBER:		19733711

	BUSINESS ADDRESS:	
		STREET 1:		968 ALBANY-SHAKER ROAD
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110
		BUSINESS PHONE:		5187827700

	MAIL ADDRESS:	
		STREET 1:		968 ALBANY-SHAKER ROAD
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2238347zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2238347zdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g73972bgi001.gif
<DESCRIPTION>G73972BGI001.GIF
<TEXT>
Document 2 - file: g73972bgi001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g73972bgi002.gif
<DESCRIPTION>G73972BGI002.GIF
<TEXT>
Document 3 - file: g73972bgi002.gif

</DOCUMENT>
</SEC-DOCUMENT>