Tres Bahias — Plant Summary
- EIA Plant ID
- 65947
- Capacity
- 196.3 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Calhoun, TX
- Operating Since
- 2024
- Generators
- 1
- Operator
- Tres Bahias Solar Power, LLC
- Parent Company
- —
- Annual Generation
- 438,740 MWh
- Capacity Factor
- 25.5%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Tres Bahias
OperatingSolar
Ranked #162 of 351 Solar plants in TX#386 of 7447 nationally
196.3 MW Solar operating in Calhoun, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
196.3 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2024
Operating Since
Location
Coordinates
28.6885, -96.5098
County
Calhoun, TX
Nearby Plants
- Formosa Utility Venture LtdNatural Gas933.4 MW · 3.1 km
- CFB Power PlantNatural Gas310 MW · 5.3 km
- Port Comfort Power LLCNatural Gas121 MW · 5.7 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 | Tres Bahias Solar Power, LLC | Swift Current Energy | — |
| Owner(s) | Tres Bahias Solar Power, LLC | Swift Current Energy [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Swift Current Energy [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Tres Bahias is a 196.3 MW solar photovoltaic power plant located in Calhoun County, Texas. The plant, which began operating in 2024, is owned and operated by Tres Bahias Solar Power, LLC. It consists of a single generator utilizing single-axis tracking technology to maximize solar energy capture. Tres Bahias is connected to the Electric Reliability Council of Texas (ERCOT) grid, falling within the TRE NERC region.
In its most recent year of operation, Tres Bahias generated 438,740 MWh of electricity, achieving a capacity factor of 25.5%. The plant ranks 120th in size among Texas power plants (out of 192) and 271st nationally (out of 639). Financial data is available for the plant, sourced from Lawrence Berkeley National Laboratory (LBNL) solar energy studies.
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
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Tres Bahias Solar
OperationalSolar195 MWERCOT
Generation
22.6K MWh
Latest Month
438.7K MWh
Annual Generation
25.5%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$37.6/MWh
LCOE (Levelized Cost)
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
TREB_SOLAR1
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
EIA-860 direct report
News & Articles (6)Beta
Industry·corporate
Texas solar boom project updates
Hundreds of megawatts of clean energy head to Texas as Microsoft signs a power purchase agreement, Amshore secures land for solar and batteries.
Texas (other)Microsoft (buyer)
pv magazine USA·1 years ago
Deals·ppa
UnitedHealth Group launches new renewable energy investments to support emissions reduction targets
UnitedHealth Group's first-ever virtual power purchase agreement (VPPA) and solar energy project will match almost 90% of the company's US...
UnitedHealth Group (buyer)
UnitedHealth Group·2 years ago
Industry·technology
Ideematec to supply trackers for Parliament Solar project in Texas
Tres Bahias solar project from Swift Current Energy in Southeast Texas with a 266MW capacity. Image: Swift Current Energy.
Ideematec (seller)Parliament Solar (other)
PV Tech·2 years ago
Deals·project finance
Swift Current Energy takes step to open Texas solar farm in SE Texas
Sift Current Energy closes project financing on 195 megawatt solar farm in Calhoun County.
Swift Current Energy (developer)Texas (other)
Houston Chronicle·2 years ago
Last updated 2026-03-14
View all 6 articles