Freestone Energy Center — Plant Summary
- EIA Plant ID
- 55226
- Capacity
- 1036 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Freestone, TX
- Operating Since
- 2002
- Generators
- 6
- Operator
- Freestone Power Generation LLC
- Parent Company
- —
- Annual Generation
- 6,479,914 MWh
- Capacity Factor
- 71.4%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Freestone Energy Center
OperatingNatural Gas
Ranked #22 of 313 Natural Gas plants in TX#155 of 2009 nationally
1036 MW Natural Gas operating in Freestone, TX — Electric Reliability Council of Texas, Inc.
EIAWD
1,036 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Location
Coordinates
31.8907, -96.1131
County
Freestone, TX
Nearby Plants
- Pin Oak Creek Energy Center, LLCNatural Gas444 MW · 0.4 km
- AmeradaSolar300 MW · 3.2 km
- Timber Cove SolarSolar100 MW · 4.3 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 | Freestone Power Generation LLC | — | Calpine |
| Owner(s) | Freestone Power Generation LLC, Rayburn Country Elec Coop, Inc | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Freestone Energy Center is a 1036 MW natural gas-fired combined cycle power plant located in Freestone County, Texas. The plant began operating in 2002 and consists of 6 generators. It is owned and operated by Freestone Power Generation LLC. The plant is interconnected to the Electric Reliability Council of Texas (ERCOT) grid and falls within the TRE NERC region.
In the most recent year of reported data, Freestone Energy Center generated 6,479,914 MWh of electricity, achieving a capacity factor of 71.4%. The plant ranks as the 23rd largest in Texas out of 144 plants, and 160th nationally out of 945 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
516.5K MWh
Latest Month
6.5M MWh
Annual Generation
71.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Richland Chambers Substation · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
FREC
Pricing Hub
HB_NORTH
Node Source
EIA-860 direct report
News & Articles (10)Beta
General
Constellation and CyrusOne Team Up to Power New Freestone Data Center in Texas
Constellation, CyrusOne have signed deal to supply 380 MW of power to a new data center facility adjacent to Freestone Energy Center in...
Construction Review·4 weeks ago
General
CyrusOne partners with Constellation for 760MW data center campus in Texas
New development to be located next to Calpine's Freestone Energy Center.
Data Center Dynamics·4 weeks ago
General
Constellation, CyrusOne Announce Deal for Texas Data Center
Energy provide Constellation said that Calpine LLC, a business unit of Constellation, has signed a new 380-MW agreement with Dallas,...
POWER Magazine·4 weeks ago
General
Constellation, CyrusOne Announce Deal for Texas Data Center
Energy provide Constellation said that Calpine LLC, a business unit of Constellation, has signed a new 380-MW agreement with Dallas,...
POWER Magazine·4 weeks ago
Last updated 2026-03-26
View all 10 articles