Topaz Generating — Plant Summary
- EIA Plant ID
- 63688
- Capacity
- 605 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Galveston, TX
- Operating Since
- 2021
- Generators
- 10
- Operator
- ProEnergy Services
- Parent Company
- ACON Investments
- Annual Generation
- 598,589 MWh
- Capacity Factor
- 11.3%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Topaz Generating
OperatingNatural Gas
Ranked #60 of 313 Natural Gas plants in TX#392 of 2009 nationally
605 MW Natural Gas operating in Galveston, TX — Electric Reliability Council of Texas, Inc.
EIAWD
605 MW
Nameplate Capacity
10
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2021
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ProEnergy Services | Topaz Generating | — |
| Owner(s) | Topaz Generating, LLC, Topaz II, LLC | ACON Investments | — |
| Status | Operating | — | — |
Ownership Chain
About
Topaz Generating is a 605 MW natural gas-fired power plant located in Galveston County, Texas. The plant began operating in 2021 and consists of 10 natural gas-fired combustion turbine generators. It is owned by ACON Investments and operated by ProEnergy Services. The plant's output is delivered to the Electric Reliability Council of Texas (ERCOT) balancing authority.
In its most recent year of operation, Topaz Generating produced 598,589 MWh of electricity, achieving a capacity factor of 11.3%. The plant ranks 60th out of 144 power plants in Texas and 396th out of 945 plants nationally. Topaz Generating operates within the TRE NERC region.
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
Generation
33.4K MWh
Latest Month
598.6K MWh
Annual Generation
11.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
ISP Substation · 138 kV
Substation Distance
< 10 km
Operator
Texas-New Mexico Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
138_ATT_TPZ
Pricing Hub
HB_HOUSTON
Node Source
EIA-860 direct report
News & Articles (8)Beta
General
CPS Energy to acquire four Southeast Texas power plants for $1.3B
San Antonio-based CPS Energy plans to expand its portfolio with the $1.3 billion acquisition of four power facilities in Southeast Texas.
The Business Journals·6 months ago
General
CPS Energy to acquire four Southeast Texas power plants for $1.3B
San Antonio-based CPS Energy plans to expand its portfolio with the $1.3 billion acquisition of four power facilities in Southeast Texas.
The Business Journals·6 months ago
General
CPS Energy to acquire four Southeast Texas power plants for $1.3B
San Antonio-based CPS Energy plans to expand its portfolio with the $1.3 billion acquisition of four power facilities in Southeast Texas.
The Business Journals·6 months ago
General
CPS Energy to acquire four Southeast Texas power plants for $1.3B
San Antonio-based CPS Energy plans to expand its portfolio with the $1.3 billion acquisition of four power facilities in Southeast Texas.
The Business Journals·6 months ago
Last updated 2026-03-26
View all 8 articles