Jack County
Wise County, Texas · EIA plant ID 55230 · Operator: Jack County Power, LLC
Nameplate1,280MWSummer 1,241 MW
Generators6in service
Net generation3,737GWh12 mo to Aug 2026
Capacity factor34%gas/coal/oil units, summer MW
Heat rate7,429Btu/kWhfossil units, electric fuel, HHV
First online2006Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2006 | 3,063.1 | 61.6% | 7,157 |
| 2007 | 3,566.3 | 65.6% | 7,188 |
| 2008 | 3,126 | 57.4% | 7,140 |
| 2009 | 3,297 | 60.7% | 7,178 |
| 2010 | 3,128.1 | 57.6% | 7,254 |
| 2011 | 3,966.7 | 39.7% | 7,198 |
| 2012 | 5,521.7 | 50.6% | 7,124 |
| 2013 | 5,432.9 | 50.0% | 7,131 |
| 2014 | 6,240.8 | 57.4% | 7,186 |
| 2015 | 6,187.5 | 56.9% | 7,241 |
| 2016 | 5,347.1 | 49.0% | 7,323 |
| 2017 | 3,244.9 | 29.8% | 7,438 |
| 2018 | 3,651.7 | 33.6% | 7,427 |
| 2019 | 4,066.7 | 37.4% | 7,394 |
| 2020 | 3,305.1 | 30.3% | 7,436 |
| 2021 | 3,657.6 | 33.7% | 7,367 |
| 2022 | 5,486.2 | 50.5% | 7,310 |
| 2023 | 6,252.1 | 57.5% | 7,226 |
| 2024 | 6,761.2 | 62.0% | 7,269 |
| 2025 | 6,251.6 | 57.5% | 7,337 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| CT1 | Natural Gas Fired Combined Cycle | CT | 170 | 165 | Feb 2006 | Operating | — | coming soon |
| CT2 | Natural Gas Fired Combined Cycle | CT | 170 | 165 | Feb 2006 | Operating | — | coming soon |
| CT3 | Natural Gas Fired Combined Cycle | CT | 170 | 165 | Mar 2011 | Operating | — | coming soon |
| CT4 | Natural Gas Fired Combined Cycle | CT | 170 | 165 | Mar 2011 | Operating | — | coming soon |
| ST1 | Natural Gas Fired Combined Cycle | CA | 300 | 290.5 | Feb 2006 | Operating | — | coming soon |
| ST2 | Natural Gas Fired Combined Cycle | CA | 300 | 290.5 | Mar 2011 | Operating | — | coming soon |
Owner / operator
Operator: Jack County Power, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Jack County Power, LLC | 100.0% | 1,280 MW |
Nearby plants
Within 80 km.
| Wise County Power LLC | 822 MW | 6.5 km |
| Yooperlite Storage | — | 10.4 km |
| Bridgeport Gas Processing Plant | 10 MW | 17.9 km |
| Keechi Wind | 110 MW | 19.5 km |
| Mineral Wells East BESS | 10 MW | 35.1 km |
| Barton Chapel Wind Farm | 120 MW | 35.4 km |