Castle Gap Wind
Wind power plant in Mills County, Texas. 196.8 MW of nameplate capacity across 1 generator, operated by Castle Gap Wind Power, LLC.
Also known as EIA plant 65790
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 196.8 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- October 2023First generator online
- Operator
- Castle Gap Wind Power, LLCEIA operator ID 65044
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Mills County, TX31.3938, −98.3594
- EIA plant ID
- 65790EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Castle Gap Wind produces
Free · EIA-923Net generation, 2025
633 GWh
632,524 MWh, final
Capacity factor, 2025
36.7%
2024: 34.4%
January to July 2026
386 GWh
Provisional
Range, 2023 to 2025
495.8–632.5
GWh a year. Low 2023, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | 495,814 | Not reported | 12 of 12 |
| 2024 | 594,855 | 34.4% | 12 of 12 |
| 2025 | 632,524 | 36.7% | 12 of 12 |
| 2026 (provisional, partial year) | 385,915 | 38.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · ERCOTEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CGWIN | Onshore Wind Turbine | 196.8 | October 2023 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Castle Gap Wind Power, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Castle Gap Wind
How much power does Castle Gap Wind produce?
Castle Gap Wind reported 632,524 MWh (633 GWh) of net generation in 2025, a 36.7% capacity factor on 196.8 MW of nameplate capacity. From January to July 2026 it reported 386 GWh, which is provisional.
Where is Castle Gap Wind?
Castle Gap Wind is in Mills County, Texas, at 31.3938, −98.3594. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Castle Gap Wind?
EIA-860M for August 2026 lists Castle Gap Wind Power, LLC as the operator (EIA operator ID 65044). The operator is not always the owner.
When did Castle Gap Wind start operating?
Its first generator began operating in October 2023, according to EIA-860M.
Does InfraMap have power prices for Castle Gap Wind?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Castle Gap Wind, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page