---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-019891"
form_type: "8-K"
ticker: "FCEL"
cik: "0000886128"
company_name: "FUELCELL ENERGY INC"
filed_at: "2023-12-19T23:59:59+00:00"
generated_at: "2026-06-07T10:58:42.596255+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# FuelCell Energy Q4 revenue $22.5M (-43% YoY); FY2023 net loss $(108.1)M

## Summary
- Q4 revenue $22.5M, down from $39.2M YoY; gross loss improved to $(1.5)M from $(15.2)M.
- FY2023 revenue $123.4M (-5% YoY); net loss $(108.1)M vs $(147.2)M; adjusted EBITDA $(102.9)M.
- Backlog $1.028B (down 5.7%); cash & investments $403.3M, down $77.7M from fiscal 2022.
- Long Beach tri-generation platform commercial for Toyota; ExxonMobil affiliate plans carbon capture pilot.
- Korean market re-entry: long-term service agreement executed; 20 MW plant repowered in October.

## SEC filing metadata
- accession: 0001558370-23-019891
- form_type: 8-K
- ticker: FCEL
- cik: 0000886128
- company_name: FUELCELL ENERGY INC
- filed_at: 2023-12-19T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/886128/000155837023019891/0001558370-23-019891-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/886128/000155837023019891/fcel-20231219x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-019891
- JSON: https://secwatch.observer/filing/0001558370-23-019891.json
- Plain text: https://secwatch.observer/filing/0001558370-23-019891.txt

## Key facts
- Earnings Releases
  FUELCELL ENERGY INC reported fourth quarter and fiscal year ended October 31, 2023 results: revenue $22.5 million, net income Net loss per share was $(0.07) compared to $(0.11).
  - Period: fourth quarter and fiscal year ended October 31, 2023
  - Revenue: $22.5 million
  - Net income: Net loss per share was $(0.07) compared to $(0.11)
  - Result: reported results
  source text: Fourth Quarter and Full Fiscal Year 2023 Results ​ Fourth Quarter Fiscal 2023 Financial Highlights (All comparisons are year-over-year unless otherwise noted) ​ ● Revenues of $22.5 million compared to $39.2 million ● Gross loss of $(1.5) million compared to $(15.2) million ● Loss from operations of $(36.4) million compared to $(42.7) million ● Net loss per share
  evidence_url: https://www.sec.gov/Archives/edgar/data/886128/000155837023019891/0001558370-23-019891-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.