<SEC-DOCUMENT>0001144204-18-034084-index.html : 20180613
<SEC-HEADER>0001144204-18-034084.hdr.sgml : 20180613
<ACCEPTANCE-DATETIME>20180613171143
ACCESSION NUMBER:		0001144204-18-034084
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180613
DATE AS OF CHANGE:		20180613

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FUELCELL ENERGY INC
		CENTRAL INDEX KEY:			0000886128
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				060853042
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-215530
		FILM NUMBER:		18897396

	BUSINESS ADDRESS:	
		STREET 1:		3 GREAT PASTURE RD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06813
		BUSINESS PHONE:		2038256000

	MAIL ADDRESS:	
		STREET 1:		3 GREAT PASTURE ROAD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06813

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENERGY RESEARCH CORP /NY/
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>tv494306-424b5.htm
<DESCRIPTION>PROSPECTUS SUPPLEMENT
<TEXT>
Document 1 - file: tv494306-424b5.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>lg_fuelcell-energy.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: lg_fuelcell-energy.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>lg_fuelcell-old.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: lg_fuelcell-old.jpg
</DOCUMENT> </SEC-DOCUMENT>