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280 MW Batteries (80 MW) + Solar Photovoltaic (200 MW) operating in Bastrop, TX — Electric Reliability Council of Texas, Inc.
280 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Coordinates
29.9101, -97.2692
County
Bastrop, 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 | RWE Clean Energy | RWE Renewables Americas | — |
| 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.
Big Star Solar, LLC (Hybrid) is a 280 MW hybrid power plant located in Bastrop County, Texas. The facility, which combines solar photovoltaic generation with battery storage, began operating in 2025. It is owned and operated by Big Sky Wind, LLC. The plant's primary fuel source is listed as MWH, reflecting its reliance on solar energy and battery discharge. Big Star Solar is connected to the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority.
The plant consists of two generators utilizing fixed-tilt solar tracking technology. In its latest year of operation, Big Star Solar generated 373,191 MWh, achieving a capacity factor of 15.1%. Financial data indicates a power purchase agreement (PPA) price of $65.2 per MWh, as reported to FERC. The plant's ranking in Texas is 58 out of 224, and nationally it is ranked 177 out of 514.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
20.1K MWh
Latest Month
373.2K MWh
Annual Generation
15.1%
Capacity Factor
Big Sky Wind, LLC · Data from 2023–2025
$65.2/MWh
PPA Price
Market Position
ISO/RTO Market
ERCOT
LMP Node
BIGSTAR_ALL
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
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
Top 10 solar states
Data tables and metrics from the powerplantsinfo.org database.