Bloom Energy

Fuel cell

SecondWatt's research catalogue covers 3 Bloom Energy models of solid oxide fuel cell servers, including Energy Server 5 and Energy Server 6.5. Each model page lists manufacturer reference specifications with dated sources. Availability, price and delivery terms are confirmed for each specific request.

Bloom Energy models

Published SecondWatt model pages for Bloom Energy equipment. Specifications and price observations appear on each model page where supported by sources.

• Energy Server 5 (ES5-EAXAAC), 250 kW (Fuel cell) — Bloom's 250 kW Energy Server 5, superseded by the ES6 platform after its natural gas certification lapsed in March 2026
• Energy Server 5 (ES5-FA2AA0 / ES5-BA2AA0), 200 kW (Fuel cell) — Bloom's 200 kW Energy Server 5, and the vintage trap that separates it from the older ES-5700 at the same rating
• Energy Server 6.5 (ES6-3250), 325 kW (Fuel cell) — Bloom's current 325 kW solid oxide server, the unit physically going into the Oracle and Nebius deployments

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