How a solid-oxide fuel cell works

Fuel on one side of a hot ceramic, air on the other: oxygen ions cross the ceramic and react with the fuel, making electricity without a flame. Warm it up, then follow a data center's day. Every number comes from one model.

Sources: Bloom Energy Server 6.5 datasheet (Feb 2026: 325 kW, 53–65% LHV, heat rate 5,811–7,127 Btu/kWh HHV, NOx 0.003 lb/MWh, CO₂ 679–833 lb/MWh, 13 t, 9 × 1.3 × 2.5 m, no water in normal operation); Oracle's commitment to up to 2.8 GW as reported in 2026. Cell temperature, warm-up, site size and the data center's load are illustrative. Others on this approach: FuelCell Energy, Plug Power.