Castle Gap Wind
Mills County, Texas · EIA plant ID 65790 · Operator: Castle Gap Wind Power, LLC
Nameplate197MWSummer 197 MW
Generators1in service
Net generation631GWh12 mo to Aug 2026
Capacity factor37%wind units, summer MW
Heat rate—thermal plants only
First online2023
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) |
|---|---|---|---|
| 2023 | 495.8 | 114.1% | — |
| 2024 | 594.9 | 34.4% | — |
| 2025 | 632.5 | 36.7% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| CGWIN | Onshore Wind Turbine | WT | 196.8 | 196.8 | Oct 2023 | Operating | — | nordex N149/4.0-4.5 |
Owner / operator
Operator: Castle Gap Wind Power, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Castle Gap Wind Power, LLC | 100.0% | 197 MW |
Nearby plants
Within 80 km.
| Goldthwaite Wind Energy Facility | 150 MW | 10.3 km |
| Priddy Wind Project | 302 MW | 21.4 km |
| Flat Top Wind I | 200 MW | 39.7 km |
| Grizzly Ridge Solar | 100 MW | 40.7 km |
| Chisme Solar and Storage | — | 48 km |
| Ryan Storage | — | 55.5 km |