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207.2 MW Wind operating in Glasscock, TX — Electric Reliability Council of Texas, Inc.
207.2 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2015
Operating Since
Coordinates
31.7219, -101.4393
County
Glasscock, 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 | SunEdison LLC | Invenergy | — |
| Owner(s) | SunEdison LLC | TerraForm Power Operating LLC; Invenergy LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as TerraForm Power Operating LLC; Invenergy LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Rattlesnake Den is a 207.2 MW wind power plant located in Glasscock County, Texas. The facility began operating in 2015 and is owned and operated by SunEdison LLC. The plant utilizes a single generator comprised of onshore wind turbines manufactured by GE Wind, specifically the GE1.79-100 model. These turbines have a rotor diameter of 100 meters and a hub height of 80 meters.
In the most recent year of data, Rattlesnake Den generated 689,334 MWh of electricity, achieving a capacity factor of 38.0%. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. Rattlesnake Den is ranked as the 82nd largest power plant in Texas out of 200, and nationally it is ranked 244th out of 734 plants.
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
689.3K MWh
Annual Generation
38.0%
Capacity Factor
2015
$1,640/kW
Est. Construction Cost
Total estimated cost: $339.8M
Point of Interconnection
Nearest Substation
Rattlesnake Den Wind Substation · 345 kV
Substation Distance
< 10 km
Operator
Invenergy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
RSK_RN
Pricing Hub
HB_WEST
Alt. Hub / Zone
LZ_WEST
Location Type
Resource Node
Node Source
EIA-860 direct report
Last updated 2026-03-14
View all articlesElectric 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