# Jack County

ERCOT asset profile · https://askthegrid.com/assets/facilities/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.

## 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.

## Metrics

- **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

## Facts

- **Owner:** NRG — Indirect corporate owner since January 30, 2026 · confidence: high
- **Registered operator:** Jack County Power, LLC — EIA and TCEQ · confidence: high
- **Block 1 operation:** February 2006 — CT1 · CT2 · ST1 · confidence: high
- **Block 2 operation:** March 2011 — CT3 · CT4 · ST2 · confidence: high
- **Site address:** 3844 Henderson Ranch Rd — Bridgeport, TX 76426 · confidence: high

## Related parties

- **EPC contractor:** Fluor — EPC contractor for Jack County ([source](https://fluor.com/))

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Generator status, capacity basis, technology, and operating dates for Plant 55230.
- [ERCOT Stand-Alone Generation Resources](https://www.ercot.com/files/MarketNotice/2025/08/297735/Stand-Alone%20Generation%20Resources%20as%20of%2009.01.25.pdf) — ERCOT · regulatory — Exact resource settlement points and their JACKCNTY and JCKCNTY2 resource nodes.
- [Jack County Unit 2 EPC award](https://newsroom.fluor.com/news-releases/news-details/2008/Fluor-Awarded-EPC-Contract-for-Jack-County-Unit-2-Power-Plant/default.aspx) — Fluor · official — Second 620 MW 2x1 block, EPC scope, design relationship to Unit 1, and 2011 target.

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Canonical page: https://askthegrid.com/assets/facilities/jack-county
Website: [LS Power](https://lspower.com/)
Profile published: 2026-07-17T03:34:27.101Z
Source: Ask the Grid — https://askthegrid.com/