<SEC-DOCUMENT>0001104659-25-041391-index.html : 20250430
<SEC-HEADER>0001104659-25-041391.hdr.sgml : 20250430
<ACCEPTANCE-DATETIME>20250430102435
ACCESSION NUMBER:		0001104659-25-041391
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20250429
DATE AS OF CHANGE:		20250430

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FUELCELL ENERGY INC
		CENTRAL INDEX KEY:			0000886128
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL INDUSTRIAL APPARATUS [3620]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				060853042
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-286842
		FILM NUMBER:		25891731

	BUSINESS ADDRESS:	
		STREET 1:		3 GREAT PASTURE ROAD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06810
		BUSINESS PHONE:		2038256000

	MAIL ADDRESS:	
		STREET 1:		3 GREAT PASTURE ROAD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06810

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENERGY RESEARCH CORP /NY/
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>tm2513286-1_s3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: tm2513286-1_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.23
<SEQUENCE>2
<FILENAME>tm2513286d2_ex4-23.htm
<DESCRIPTION>EXHIBIT 4.23
<TEXT>
Document 2 - file: tm2513286d2_ex4-23.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>tm2513286d2_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: tm2513286d2_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>tm2513286d2_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 4 - file: tm2513286d2_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>5
<FILENAME>tm2513286d2_ex25-1.htm
<DESCRIPTION>EXHIBIT 25.1
<TEXT>
Document 5 - file: tm2513286d2_ex25-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>6
<FILENAME>tm2513286d2_ex-filingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 6 - file: tm2513286d2_ex-filingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm2513286d2_ex5-1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm2513286d2_ex5-1img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>lg_fuelcellenergyvert-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: lg_fuelcellenergyvert-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm2513286d2_ex23-2img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm2513286d2_ex23-2img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>tm2513286d2_ex23-2img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: tm2513286d2_ex23-2img002.jpg

</DOCUMENT>
</SEC-DOCUMENT>