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89.5 MW Wind operating in Glasscock, TX
89.5 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2007
Operating Since
Coordinates
31.9850, -101.2944
County
Glasscock, TX
Nearby Plants
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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 | RWE Clean Energy | E.ON Climate & Renewables | — |
| Owner(s) | Big Sky Wind, LLC | RWE Renewables | — |
| Status | Operating | operating | — |
GEM identifies the owner as RWE Renewables
This entity is not yet in the GEM ownership database — chain unavailable.
Sand Bluff Wind Farm is an 89.5 MW wind power facility located in Glasscock County, Texas. The plant began operating in 2007 and consists of a single generator utilizing onshore wind turbine technology. The facility is owned and operated by Big Sky Wind, LLC. Its turbines have a hub height of 78 meters and a rotor diameter of 87 meters. The wind turbines were manufactured by Gamesa, model G87-2.0.
The plant operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority. In the most recent year of data, Sand Bluff Wind Farm generated 318,241 MWh, achieving a capacity factor of 40.6%. The plant holds a rank of 206 out of 245 wind facilities in Texas, and 784 out of 1424 nationally. Financial data indicates a power purchase agreement (PPA) price of $65.2 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
22.0K MWh
Latest Month
318.2K MWh
Annual Generation
40.6%
Capacity Factor
Big Sky Wind, LLC · Data from 2023–2025
$65.2/MWh
PPA Price
Point of Interconnection
Nearest Substation
Sand Bluff Substation · 345 kV
Substation Distance
< 10 km
Operator
Wind Energy Transmission Texas
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
MCDLD_FCSBW1
Pricing Hub
HB_WEST
Alt. Hub / Zone
LZ_WEST
Location Type
Resource Node
Node Source
EIA-860 direct report
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