| Characteristic | Overnight costs in U.S. dollars per kilowatt |
|---|---|
| Biomass Energy with Carbon Capture | 13,642.02 |
| Small Modular Reactor | 9,830.62 |
| Fuel Cells | 8,287.41 |
| Light Water Reactor | 8,255.06 |
| USC Coal with Carbon Capture | 7,770.24 |
| USC Coal with Partial Carbon Capture | 5,520.38 |
| Wood and Other Biomass | 4,842.98 |
| Offshore Wind | 3,711.25 |
| Geothermal | 3,281.86 |
| Conventional Hydroelectric Power* | 3,280 |
| Combined Cycle with Carbon Capture | 2,823.68 |
| Combustion Turbine - Aeroderivative | 2,274.95 |
| Solar PV with Storage | 1,902.98 |
| Diurnal Storage | 1,520.61 |
| Wind | 1,501.7 |
| Solar PV with Axis Tracking | 1,396.35 |
| Hydrogen Turbine | 1,215.29 |
| Combustion Turbine - Industrial Frame | 1,157.65 |
| Combined Cycle - Single Shaft | 1,086.01 |
| Combined Cycle - Multi Shaft | 1,031.88 |
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April 2026
United States
2026
Overnight costs include contingency factors and exclude regional cost multipliers. The estimates are presented before the application of available tax credits and do not incorporate financing costs, such as interest incurred during construction.Â
All values are expressed in 2025 dollars per kilowatt (2025 $/kW), ensuring comparability across technologies by adjusting for a consistent price level.
*Because the cost and performance characteristics of geothermal and hydropower projects are highly site-specific, the reported values represent the least-cost plants that could be developed in the Northwest region for hydropower and the Great Basin region for geothermal, where most proposed projects are located.
