Big Star Solar, LLC (Hybrid) — Plant Summary
- EIA Plant ID
- 64202
- Capacity
- 280 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Bastrop, TX
- Operating Since
- 2025
- Generators
- 2
- Operator
- Big Sky Wind, LLC
- Parent Company
- —
- Annual Generation
- 373,191 MWh
- Capacity Factor
- 15.1%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Big Star Solar, LLC (Hybrid)
OperatingBESSSolarHybrid
Ranked #73 of 351 Solar plants in TX#163 of 7447 nationally
280 MW Batteries (80 MW) + Solar Photovoltaic (200 MW) operating in Bastrop, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
280 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Location
Coordinates
29.9101, -97.2692
County
Bastrop, TX
Nearby Plants
- 7V Solar RanchSolar240 MW · 22.0 km
- Sim GideonNatural Gas623 MW · 26.2 km
- Lost Pines 1 Power ProjectNatural Gas609 MW · 26.4 km
Ownership & Operator
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 | Big Sky Wind, LLC | RWE Renewables Americas | — |
| Owner(s) | Big Sky Wind, LLC | RWE Renewables [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as RWE Renewables [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Big Star Solar
OperationalSolar203.1 MWERCOT
Generation
20.1K MWh
Latest Month
373.2K MWh
Annual Generation
15.1%
Capacity Factor
Financial DataBeta
Source: FERC Electric Quarterly ReportsHIGH
$65.2/MWh
PPA Price
Big Sky Wind, LLC
Contract Seller
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
BIGSTAR_ALL
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (2)Beta
Industry·corporate
RWE completes three U.S. battery storage projects in Texas and Arizona totaling 190 megawatts
The three BESS projects – Bright Arrow, Big Star and Mesquite 4 – bring RWE's total battery storage capacity in the US to about 512 MW.
RWE (developer)
RWE·2 years ago
Deals·ppa
RWE teams up with Constellation to supply major U.S. commercial customers with solar energy from Big Star facility
200 megawatt Big Star solar project located in Bastrop County, Texas; Constellation customers, PepsiCo, McCormick, Best Buy and ViacomCBS, to use power for...
RWE (developer)Constellation (buyer)
RWE·3 years ago
Last updated 2026-03-14
View all articles