Tracy Combined Cycle Power Plant
San Joaquin County, California · EIA plant ID 55933 · Operator: GWF Energy LLC
Nameplate336MWSummer 320 MW
Generators3in service
Net generation656GWh12 mo to Aug 2026
Capacity factor23%gas/coal/oil units, summer MW
Heat rate8,473Btu/kWhfossil units, electric fuel, HHV
First online2003Runs as intermediate
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) |
|---|---|---|---|
| 2003 | 10.5 | 0.9% | 12,207 |
| 2004 | 11.4 | 0.8% | 12,328 |
| 2005 | 9.8 | 0.7% | 12,329 |
| 2006 | 15.9 | 1.1% | 12,436 |
| 2007 | 13.7 | 1.0% | 12,513 |
| 2008 | 11.3 | 0.8% | 12,307 |
| 2009 | 21.2 | 1.5% | 12,518 |
| 2010 | 7.1 | 0.5% | 12,410 |
| 2011 | 15 | 1.1% | 9,429 |
| 2012 | 254.7 | 12.0% | 8,787 |
| 2013 | 610.5 | 21.8% | 8,129 |
| 2014 | 642.7 | 22.9% | 8,096 |
| 2015 | 763.3 | 27.2% | 8,130 |
| 2016 | 326.4 | 11.6% | 8,363 |
| 2017 | 879.3 | 31.4% | 8,147 |
| 2018 | 868.4 | 31.0% | 8,158 |
| 2019 | 864.4 | 30.8% | 8,237 |
| 2020 | 702.7 | 25.0% | 8,207 |
| 2021 | 802.7 | 28.6% | 8,229 |
| 2022 | 370.7 | 13.2% | 8,340 |
| 2023 | 815.8 | 29.1% | 8,514 |
| 2024 | 1,000.5 | 35.6% | 8,422 |
| 2025 | 896.2 | 32.0% | 8,330 |
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 |
|---|---|---|---|---|---|---|---|---|
| TCC1 | Natural Gas Fired Combined Cycle | CA | 167.3 | 156.2 | Jul 2012 | Operating | — | coming soon |
| TPP1 | Natural Gas Fired Combined Cycle | CT | 84.4 | 82.1 | Apr 2003 | Operating | — | coming soon |
| TPP2 | Natural Gas Fired Combined Cycle | CT | 84.4 | 81.8 | Apr 2003 | Operating | — | coming soon |
Owner / operator
Operator: GWF Energy LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| GWF Energy LLC | 100.0% | 336 MW |
Nearby plants
Within 80 km.
| Tracy BESS | — | 0.1 km |
| Zeus BESS | — | 0.2 km |
| Foundation ST | 2 MW | 2.8 km |
| Medline Ind. Phase 2 Tracy | 1 MW | 3.1 km |
| Tracy 210 | 3 MW | 3.8 km |
| Prologis L.P | 3 MW | 3.8 km |