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Consolidated Statement of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Consolidated Statement of Comprehensive Loss
Net loss	$ (46,120)	$ (45,960)
Foreign currency translation adjustments	(91)	58
Total comprehensive loss	(46,211)	(45,902)
Comprehensive loss attributable to redeemable noncontrolling interest	(5,496)
Comprehensive loss attributable to FuelCell Energy, Inc.	$ (40,715)	$ (45,902)

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