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ERock vs Fuelcell Energy: EROC and FCEL compared

ERock is the larger company: $39.9M of revenue in its latest quarter (Q2 2026) against $33.0M for Fuelcell Energy (Q3 FY26). Fuelcell Energy is growing faster (-29% against -42% a year earlier). ERock is more profitable, with an operating margin of -49.8% against -141.4%.

ERock vs Fuelcell Energy, latest quarterERock vs Fuelcell Energy, latest quarterERock (EROC)Fuelcell Energy (FCEL)Revenue$39.9M$33.0MRevenue growth, Y/Y-42%-29%Operating margin-49.8%-141.4%Net margin-169.8%-137.2%

Where the money goes: EROC and FCEL

ERock (EROC) · Q2 2026

ERock, Q2 2026: revenue $39.9M (-42% year over year), operating margin -49.8%, net loss $67.7M. The chart follows the revenue to costs, profit and cash.

Fuelcell Energy (FCEL) · Q3 FY26

Fuelcell Energy, Q3 FY26: revenue $33.0M (-29% year over year), operating margin -141.4%, net loss $45.3M, operating cash flow −$12.2M. The chart follows the revenue to costs, profit and cash.

ERock revenue by segment, Q2 2026ERock revenue by segment, Q2 2026Power System Sales Revenues$26.5MOngoing Services Revenues$13.4M
Fuelcell Energy revenue by segment, Q3 FY26Fuelcell Energy revenue by segment, Q3 FY26Product$18.0MGeneration$8.8MAdvanced Technologies$3.8MService$2.4M
ERock (EROC)Fuelcell Energy (FCEL)
Latest quarterQ2 2026Q3 FY26
Revenue$39.9M$33.0M
Revenue growth, Y/Y-42%-29%
Operating margin-49.8%-141.4%
Net earnings−$67.7M−$45.3M
Net margin-169.8%-137.2%
Operating cash flow—−$12.2M

Where the revenue comes from

ERock

Fuelcell Energy

Questions

Which is bigger, ERock or Fuelcell Energy?

ERock is the larger company: $39.9M of revenue in its latest quarter (Q2 2026) against $33.0M for Fuelcell Energy (Q3 FY26).

Is ERock or Fuelcell Energy growing faster?

Fuelcell Energy is growing faster (-29% against -42% a year earlier).

Which is more profitable, ERock or Fuelcell Energy?

ERock is more profitable, with an operating margin of -49.8% against -141.4%.

More: ERock earnings · how ERock makes money · Fuelcell Energy earnings · how Fuelcell Energy makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Aug 12, 2026; 10-Q filed Sep 2, 2026). Fiscal quarters can end on different dates. Not investment advice.