Monthly average price
- Real-time
- Day-ahead
USD/MWh, mean of each month’s complete hours at the hub.
SPP hourly prices through August 2026. Western Hub prices start April 2026.
Southwest Power Pool
SPP power prices
Hub prices, negative-price hours and the plant fleet, 2025 and 2026 to August.
- North Hub real-time, 2025
- $27.02 /MWh
- North Hub day-ahead, 2025
- $28.09 /MWh
- North Hub real-time, 2026 to Aug
- $31.83 /MWh
- Negative real-time hours at plant nodes, 2025
- 16.7%
SPP hourly prices through August 2026 · EIA-860M August 2026 · Updated 2026-10-27
Hub prices
3 hubs, January 2025 to August 2026.
Hours with negative real-time prices
- Plant nodes692 nodes
- North Hub
Negative node-hours over valid node-hours, real-time.
Real-time prices at 692 pricing nodes linked to plants. Node names are part of Pro.
| Hub | 2025 real-time | 2025 day-ahead | 2026 to Aug real-time | 2026 to Aug day-ahead | Negative hours, 2025 |
|---|---|---|---|---|---|
| North Hub | $27.02 | $28.09 | $31.83 | $35.45 | 11.9% |
| South Hub | $27.17 | $29.34 | $24.56 | $28.79 | 14.7% |
| Western Hub | n/a | n/a | $32.87 | $32.97 | n/a |
Plant fleet
- Operating plants
- 700
- Nameplate
- 104 GW
- Plants with hourly node prices
- 431 of 700
- States
- 14
Nameplate by fuel
- Natural gas37 GW35%
- Wind36 GW34%
- Coal20 GW19%
- Hydro3.3 GW3%
- Other2.9 GW3%
- Solar2.4 GW2%
- Nuclear2.1 GW2%
- Battery storage0.5 GW0%
EIA-860M August 2026, operating projects by ISO region.Open the map
Largest plants
Nameplate, all generators and batteries.Plants by state
Nameplate by state
States with 1% or more of the market’s nameplate.
Curtailment
Average wind and solar curtailed
- 2024
- 1,483 MW
- 2025
- 1,382 MW−7% on 2024
Mean curtailed MW across all hours. SPP Market Monitoring Unit State of the Market 2025, page 54. Source