    <SEC-DOCUMENT>0001564590-20-024506-index.html : 20200512
    <SEC-HEADER>0001564590-20-024506.hdr.sgml : 20200512
    <ACCEPTANCE-DATETIME>20200512105516
    ACCESSION NUMBER:		0001564590-20-024506
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20200508
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200512
    DATE AS OF CHANGE:		20200512

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14204
    		FILM NUMBER:		20867424

    	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>8-K
    <SEQUENCE>1
    <FILENAME>fcel-8k_20200508.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: fcel-8k_20200508.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.1
    <SEQUENCE>2
    <FILENAME>fcel-ex31_79.htm
    <DESCRIPTION>EX-3.1
    <TEXT>
    Document 2 - file: fcel-ex31_79.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>3
    <FILENAME>fcel-ex101_9.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 3 - file: fcel-ex101_9.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>4
    <FILENAME>fcel-ex991_8.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 4 - file: fcel-ex991_8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>gf5deo2bek1r000005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: gf5deo2bek1r000005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>gf5deo2bek1r000010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: gf5deo2bek1r000010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>gf5deo2bek1r000007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: gf5deo2bek1r000007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>gf5deo2bek1r000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: gf5deo2bek1r000003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>gf5deo2bek1r000006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: gf5deo2bek1r000006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>gf5deo2bek1r000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: gf5deo2bek1r000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>gf5deo2bek1r000008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: gf5deo2bek1r000008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>gf5deo2bek1r000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: gf5deo2bek1r000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>gf5deo2bek1r000011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: gf5deo2bek1r000011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>gf5deo2bek1r000009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: gf5deo2bek1r000009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>gf5deo2bek1r000004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: gf5deo2bek1r000004.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>