Mark One Power Station
CPS EnergyBrazoria County
Overview
- Registry anchor
- Plant 65372
- plant-65372
Infrastructure record
- Alternate name
- ProEnergy Mark One Power Plant
- Mapped facility footprint
- Mapped infrastructure footprint
Mapped infrastructure geometry associated with this asset.
Structured profile
- Technology
- Natural Gas Fired Combustion Turbine
- Operator
- City of San Antonio - (TX)
Generation and physical site
EIA plant 65372 · Inventory for Aug 2026.
Reported operating nameplate by technology
- Natural gas
- 484 MW
Generator records (8)
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| CTG-1 | Natural Gas Fired Combustion Turbine | Operating | 60.5 | Unknown |
| CTG-2 | Natural Gas Fired Combustion Turbine | Operating | 60.5 | Unknown |
| CTG-3 | Natural Gas Fired Combustion Turbine | Operating | 60.5 | Unknown |
| CTG-4 | Natural Gas Fired Combustion Turbine | Operating | 60.5 |
Related assets
Similar plants ranked by technology, capacity, and distance.
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CTG-1 | 60.5 MW 44.6 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 2022 | Operating |
| CTG-2 | 60.5 MW 44.6 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 2022 | Operating |
| CTG-3 | 60.5 MW 44.6 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 2022 | Operating |
| CTG-4 | 60.5 MW 44.6 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 2022 | Operating |
| CTG-5 | ||||
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 484 MW
- Natural Gas Fired Combustion Turbine
- National rank
- #93
- of 829 operating peers
- TX rank
- #7
- of 78 operating peers
Monthly generation
Download CSVLatest 12 months
414.9 GWh
Reported net generation
Latest report
Jul 2026
EIA-923 monthly filing
2025 capacity factor
8.3%
Using current reported nameplate capacity
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Market registration
ERCOT public disclosuresCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Transactions and agreements
Construction Start
Sep 30, 2021
PROENERGY announced that construction had started on WattBridge's Mark One facility in Brazoria County. The project was described as a 288-MW plant using six LM6000 gas-turbine packages, with online service anticipated by November 2022.
PROENERGY · WattBridge Energy LLC
Commercial Operation
Jan 2023
WattBridge's portfolio documents Mark One's commercial-operation date as January 2023, representing full facility COD.
WattBridge Energy LLC
Commissioning Announcement
Feb 8, 2023
PROENERGY announced commissioning of the 288-MW Mark One Generating Station in Brazoria County. The plant was described as a fast-start ERCOT peaking facility supporting renewable development and reliability during periods of high demand.
PROENERGY · WattBridge Energy LLC
Expansion Operation
Oct 2024
CTG-7 and CTG-8 began operating in October 2024 per FERC records, representing an expansion of the initial facility.
Mark One Power Station
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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AssetContractorFinancierOrganizationEquipment
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Mark One Construction Start Announcedproenergyse...
PROENERGY announced that construction had started on WattBridge's Mark One facility in Brazoria County. The project was described as a 288-MW plant using six LM6000 gas-turbine packages, with online service anticipated by November 2022.