Jack County
NRG · Wise County · ERCOT
Jack County Generation Facility is a two-block natural-gas combined-cycle plant near Bridgeport in Wise County, registered as EIA Plant ID 55230. EIA's May 2026 inventory lists six operating generators with 1,280 MW of nameplate and winter capacity and 1,241 MW of net summer capability. The first 2x1 block entered service in February 2006 and the second in March 2011. ERCOT maps the plant to the JACKCNTY and JCKCNTY2 resource nodes.
Overview
Key fields
- Net summer capability
- 1,241 MW
EIA May 2026 · six operating generators
- Nameplate / winter
- 1,280 MW
EIA May 2026
- Configuration
- 2 blocks · 6 generators
Two 2x1 natural-gas combined-cycle blocks
- Registry anchor
- Plant 55230
Jack County Power, LLC · Wise County
- Resource stack
- 6 resources
JACKCNTY_CT1 · JACKCNTY_CT2 · JACKCNTY_STG
Profile
- ERCOT configuration
- Two resource nodes and six resource settlement points: JACKCNTY_CT1, JACKCNTY_CT2, JACKCNTY_STG, JCKCNTY2_CT3, JCKCNTY2_CT4, and JCKCNTY2_ST2.
- Physical build
- Two 2x1 combined-cycle blocks. Each block contains two combustion-turbine generators, two heat-recovery steam generators, and one steam-turbine generator.
- Permitted proposal
- A 2024 TCEQ application proposed three Siemens SGT6-4000F simple-cycle turbines. EIA's May 2026 inventory does not list those turbines as operating or planned generators.
Structured profile
- Owner
- NRG
Indirect corporate owner since January 30, 2026
- Registered operator
- Jack County Power, LLC
EIA and TCEQ
- Block 1 operation
- February 2006
CT1 · CT2 · ST1
- Block 2 operation
- March 2011
CT3 · CT4 · ST2
- Site address
- 3844 Henderson Ranch Rd
Bridgeport, TX 76426
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CT1 | 170 MW 165 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Feb 2006 | Operating |
| CT2 | 170 MW 165 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Feb 2006 | Operating |
| CT3 | 170 MW 165 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Mar 2011 | Operating |
| CT4 | 170 MW 165 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Mar 2011 | Operating |
| ST1 | 300 MW 290.5 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Feb 2006 | Operating |
| ST2 | 300 MW 290.5 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Mar 2011 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 1,280 MW
- National rank
- #43
- TX rank
- #4
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
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.
Nearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Land and environmental record
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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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| EPC contractor | EPC contractor for Jack County | |
| Grid selection | plant:plant-55230 | Canonical asset page /ercot/assets/plant/jack-county. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- First combined-cycle block entered serviceEIA May 202...
EIA lists February 2006 operating dates for CT1, CT2, and ST1.
- Fluor awarded second-block EPC contractFluor Unit ...
Fluor announced EPC and commissioning work for a second 620 MW block based on the first block's design.
- Second combined-cycle block entered serviceEIA May 202...
EIA lists March 2011 operating dates for CT3, CT4, and ST2.
- Simple-cycle expansion permit application receivedTCEQ constr...
TCEQ received an application for three proposed Siemens simple-cycle turbines. They are not in EIA's May 2026 operating or planned inventory.
Sources
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