GulfStar Power, LLC — Plant Summary
- EIA Plant ID
- 66871
- Capacity
- 751.6 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Testing
- Location
- Wharton, TX
- Operating Since
- —
- Generators
- 2
- Operator
- GulfStar Power, LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
GulfStar Power, LLC
TestingBESSSolarHybridGEM: operating
Ranked #5 of 351 Solar plants in TX#11 of 7447 nationally
751.6 MW Batteries (300 MW) + Solar Photovoltaic (452 MW) testing in Wharton, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
751.6 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Location
Coordinates
29.1913, -95.9675
County
Wharton, TX
Nearby Plants
- Cascade Solar (TX)Solar10 MW · 6.0 km
- Lane City WindWind202.5 MW · 6.4 km
- OCI SunRoperSolar260 MW · 6.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | GulfStar Power, LLC | — | — |
| Owner(s) | GulfStar Power, LLC | — | — |
| Status | Testing | operating | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
GulfStar Power, LLC, located in Wharton County, Texas, is a hybrid power plant with a total capacity of 751.6 MW. The facility is owned and operated by GulfStar Power, LLC. It utilizes both solar photovoltaic technology and batteries, with solar panels deployed using a fixed tilt tracking system. The plant consists of two generators and is fueled by MWH.
GulfStar Power operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. It holds a significant position among power plants in Texas, ranking 9th out of 224 facilities in the state by capacity. Nationally, it is ranked 30th out of 514 plants.
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
Generation
0 MWh
Latest Month
—
Annual Generation
—
Capacity Factor
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
PHO_ALL
Pricing Hub
HB_HOUSTON
Secondary Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
Curated node match
News & Articles (4)Beta
Industry·other
Rooftop solar aids affordable housing in Milwaukee | Projects Weekly
Projects Weekly highlights a new rooftop solar project aiding affordable housing in Milwaukee, plus several new projects received funding.
Solar Builder·3 months ago
Industry·corporate
Enel inaugurates the largest power plant in the United States
Enel inaugurates GulfStar, its largest power plant in the United States with 911 MWdc between solar and batteries. Texas leads the way in...
Enel (developer)
Inspenet·4 months ago
Industry·corporate
Enel North America Completes 911 MW GulfStar Solar and Storage Project, Its Largest U.S. Power Plant
Explore Enel's solar and storage project in Texas, featuring a 556 MWdc solar plant and a 355 MWdc battery system.
Enel North America (developer)
SolarQuarter·4 months ago
Industry·corporate
Enel completes 556-MW solar array co-located at operational 355-MW BESS
Enel North America completed its largest power plant in the United States with the start of operations of the 556-MWDC GulfStar solar plant...
Enel North America (developer)
Solar Power World·4 months ago
Last updated 2026-03-14
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