<SEC-DOCUMENT>0001047469-17-004368-index.html : 20170630
<SEC-HEADER>0001047469-17-004368.hdr.sgml : 20170630
<ACCEPTANCE-DATETIME>20170630140225
ACCESSION NUMBER:		0001047469-17-004368
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170630
DATE AS OF CHANGE:		20170630

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219079
		FILM NUMBER:		17941519

	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>S-3
<SEQUENCE>1
<FILENAME>a2232526zs-3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: a2232526zs-3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a2232526zex-5_1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: a2232526zex-5_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>a2232526zex-23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: a2232526zex-23_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g433127.jpg
<DESCRIPTION>G433127.JPG
<TEXT>
Document 4 - file: g433127.jpg

</DOCUMENT>
</SEC-DOCUMENT>