Prime power generators for AI data centers
10 vendors sell units of 10 MW or more for behind-the-meter data center power, led by Doosan (380 MW), Siemens Energy (66 MW) and GE Vernova (57 MW). 6 build gas turbines, 4 build medium-speed gas engines, and 2 publish a hydrogen rating.
Counts come from the sourced dataset; the methodology sets the rating rules.
| Prime mover | Fuels | Hydrogen | Capacity and lead-time news | ||||
|---|---|---|---|---|---|---|---|
| Doosan Enerbility | 380,0001 | 380,0001 | Gas turbine | Natural gas / LNG | — | Mar 2026: seven additional 380 MW turbine/generator units ordered for a U.S. data center; deliveries scheduled monthly from May 2029. | 2026-11-11 |
| Siemens Energy | 4,0001 | 66,0001 | Gas turbine | — | — | — | 2026-11-11 |
| GE Vernova | 37,0001 | 57,0002 | Gas turbine | Natural gas; Hydrogen blends; Diesel; LPG; Biodiesel | LM2500XPRESS up to 75% H2; TM2500 75%; LM6000 100% H2 capable | — | 2026-11-11 |
| PROENERGY | 50,0001 | 50,0001 | Gas turbine | Natural gas | — | Apr 2026: 650 MW order of 13 PE6000 units for Crusoe AI factories | 2026-11-11 |
| Solar Turbines | 1,2101 | 38,0001 | Gas turbine | Natural gas; Diesel (dual fuel); HVO (configurable on many packages); Biogas | — | — | 2026-11-11 |
| APR Energy | 20,0001 | 35,0001 | Gas turbine | Natural gas; LNG; LPG; hydrogen options (configuration-dependent) | — | Jan 2026: eight additional turbines expanded owned fleet capacity from 850 MW to over 1.1 GW (fleet total, not a per-unit rating). | 2026-11-11 |
| Wärtsilä Energy | 10,4001 | 22,9001 | Reciprocating engine | Natural gas; Dual fuel (gas and liquid); Liquid fuel | — | Oct 2026: 282 MW U.S. data-center order for 15 × 50SG engines, with equipment delivery in 2028 and operation expected in 2029. The 50SG order is separate from the named rating envelope. | 2026-11-11 |
| HD Hyundai Heavy Industries (HiMSEN) | 1,1001 | 21,8001 | Reciprocating engine | Natural gas; Dual fuel (natural gas/diesel/HFO); Liquid fuel (model-dependent) | — | — | 2026-11-11 |
| Bergen Engines | 7,0501 | 11,7701 | Reciprocating engine | Natural gas | — | — | 2026-11-11 |
| INNIO Jenbacher | — | 10,6061 | Reciprocating engine | Natural gas; Biogas; Hydrogen; LNG | Type 4 engines run on 100% H2 today; “Ready for H2” units can be converted to up to 100% hydrogen; 100% hydrogen data center backup demonstrated at 3 MW scale | Oct 2026: 620 MW follow-on order brings one data center customer to about 1.72 GW of containerized J624 engines; a separate 450 MW order (Sep 2026) delivers by 2028 | 2026-11-11 |
The lines behind each row
All 37 vendorsHow to read the columns
Methodology- Smallest unit kW
- Lowest published electrical output of one generating unit in the named Lines, in kWe. Portfolio minima may include portable models. Standby where available; kVA-only figures assume 0.8 power factor. Consult Rating basis and scope; blank when unverified.
- Largest unit kW
- Highest published electrical output of one generating unit in the named Lines, in kWe. Standby where available; other duty and frequency bases are disclosed in Rating basis and scope. kVA-only figures assume 0.8 power factor. Mechanical output and multi-unit totals are excluded.
- Prime mover
- What turns the alternator in the named lines: a reciprocating (piston) engine, a gas turbine, or both.
- Fuels
- Fuels the vendor lists for the named lines: diesel, HVO (hydrotreated vegetable oil, EN 15940), natural gas, biogas, propane, hydrogen blends.
- Hydrogen
- Hydrogen capability exactly as the vendor states it: blend share by volume, '100% hydrogen' or 'hydrogen-ready' with its conditions. Blank when the vendor states none.
- Capacity and lead-time news
- The latest dated, sourced statement on factory capacity, expansion investment or lead time for these lines, from the vendor, a filing or trade press. Month and year first.