Search plants, projects, owners, and states
196.8 MW Wind operating in Mills, TX — Electric Reliability Council of Texas, Inc.
196.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2023
Operating Since
Coordinates
31.3938, -98.3594
County
Mills, TX
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Castle Gap Wind Power, LLC | Swift Current Energy | — |
| Owner(s) | Castle Gap Wind Power, LLC | Swift Current Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as Swift Current Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Castle Gap Wind is a 196.8 MW wind power plant located in Mills County, Texas. The facility, owned and operated by Castle Gap Wind Power, LLC, commenced operations in 2023. It consists of a single generator utilizing onshore wind turbine technology. The plant uses Nordex N149/4.8 wind turbines, characterized by a 149-meter rotor diameter and a hub height of 108 meters.
In its most recent year of operation, Castle Gap Wind generated 632,524 MWh of electricity, achieving a capacity factor of 36.7%. The plant operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority. Castle Gap Wind ranks as the 114th largest wind farm in Texas out of 200, and 374th nationally out of 734.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
62.6K MWh
Latest Month
632.5K MWh
Annual Generation
36.7%
Capacity Factor
2023
$1,468/kW
Est. Construction Cost
Total estimated cost: $288.9M
Market Position
ISO/RTO Market
ERCOT
LMP Node
AGUAYO_UNIT1
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
Location Type
Resource Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Castle Gap WindElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP