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Plug Power vs ERock: PLUG and EROC compared

Plug Power is the larger company: $178M of revenue in its latest quarter (Q2 2026) against $39.9M for ERock (Q2 2026). Plug Power is growing faster (+2% against -42% a year earlier). Plug Power is more profitable, with an operating margin of -36.0% against -49.8%.

Plug Power vs ERock, latest quarterPlug Power vs ERock, latest quarterPlug Power (PLUG)ERock (EROC)Revenue$178M$39.9MRevenue growth, Y/Y+2%-42%Operating margin-36.0%-49.8%Net margin-106.6%-169.8%

Where the money goes: PLUG and EROC

Plug Power (PLUG) · Q2 2026

Plug Power, Q2 2026: revenue $178M (+2% year over year), operating margin -36.0%, net loss $190M, operating cash flow −$94.1M. The chart follows the revenue to costs, profit and cash.

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.

Plug Power revenue by segment, Q2 2026Plug Power revenue by segment, Q2 2026Sales of equipment, related infra…$82.1MFuel delivered to customers and r…$39.5MServices performed on fuel cell s…$29.8MSales of cryogenic equipment and …$26.7M
ERock revenue by segment, Q2 2026ERock revenue by segment, Q2 2026Power System Sales Revenues$26.5MOngoing Services Revenues$13.4M
Plug Power (PLUG)ERock (EROC)
Latest quarterQ2 2026Q2 2026
Revenue$178M$39.9M
Revenue growth, Y/Y+2%-42%
Operating margin-36.0%-49.8%
Net earnings−$190M−$67.7M
Net margin-106.6%-169.8%
Operating cash flow−$94.1M—

Where the revenue comes from

Plug Power

ERock

Questions

Which is bigger, Plug Power or ERock?

Plug Power is the larger company: $178M of revenue in its latest quarter (Q2 2026) against $39.9M for ERock (Q2 2026).

Is Plug Power or ERock growing faster?

Plug Power is growing faster (+2% against -42% a year earlier).

Which is more profitable, Plug Power or ERock?

Plug Power is more profitable, with an operating margin of -36.0% against -49.8%.

More: Plug Power earnings · how Plug Power makes money · ERock earnings · how ERock makes money

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