Atchison County Wind
Atchison County, Missouri · EIA plant ID 63574 · Operator: Union Electric Co - (MO)
Nameplate299MWSummer 276 MW
Generators1in service
Net generation789GWh12 mo to Aug 2026
Capacity factor33%wind units, summer MW
Heat rate—thermal plants only
First online2021
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), wind units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2021 | 651.1 | 29.6% | — |
| 2022 | 997.1 | 41.3% | — |
| 2023 | 873.5 | 36.2% | — |
| 2024 | 930.8 | 38.5% | — |
| 2025 | 857.9 | 35.5% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Onshore Wind Turbine | WT | 299 | 275.5 | Mar 2021 | Operating | — | vestas V150-4.2 |
Owner / operator
Operator: Union Electric Co - (MO). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Union Electric Co - (MO) | 100.0% | 299 MW |
Nearby plants
Within 80 km.
| Shenandoah Hills Wind Farm | 214 MW | 11.5 km |
| Cow Branch | 50 MW | 12.9 km |
| Farmers City Wind LLC | 146 MW | 15 km |
| Rock Creek Wind Project | 300 MW | 19.6 km |
| Loess Hills | 5 MW | 20.3 km |
| Shenandoah | 20 MW | 26.7 km |