CalPeak Power Vaca Dixon Peaker Plant
Solano County, California · EIA plant ID 55499 · Operator: Calpeak Operating Services, LLC
Nameplate61MWSummer 48 MW
Generators1in service
Net generation7GWh12 mo to Dec 2025
Capacity factor2%gas/coal/oil units, summer MW
Heat rate10,767Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as rarely runs
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) |
|---|---|---|---|
| 2001 | 0 | — | — |
| 2002 | 16.6 | 7.7% | 11,014 |
| 2003 | 6.7 | 1.8% | 10,804 |
| 2004 | 4.6 | 1.3% | 10,966 |
| 2005 | 4.2 | 1.1% | 10,893 |
| 2006 | 11.2 | 3.0% | 10,530 |
| 2007 | 12.1 | 2.8% | 10,531 |
| 2008 | 7.3 | 1.7% | 10,740 |
| 2009 | 13.5 | 3.1% | 10,786 |
| 2010 | 5.2 | 1.2% | 10,788 |
| 2011 | 14.1 | 3.2% | 10,814 |
| 2012 | 11.7 | 2.7% | 10,810 |
| 2013 | 7.1 | 1.6% | 10,803 |
| 2014 | 13.1 | 3.0% | 10,777 |
| 2015 | 18.3 | 4.3% | 10,845 |
| 2016 | 13.8 | 3.3% | 10,953 |
| 2017 | 9.3 | 2.2% | 11,148 |
| 2018 | 11.3 | 2.7% | 11,013 |
| 2019 | 8 | 1.9% | 10,914 |
| 2020 | 17.2 | 4.1% | 10,748 |
| 2021 | 20.8 | 4.9% | 10,729 |
| 2022 | 13.7 | 3.3% | 10,792 |
| 2023 | 7.2 | 1.7% | 11,160 |
| 2024 | 3.5 | 0.8% | 11,232 |
| 2025 | 6.9 | 1.7% | 10,767 |
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 |
|---|---|---|---|---|---|---|---|---|
| CPP1 | Natural Gas Fired Combustion Turbine | GT | 60.5 | 48 | Jun 2002 | Operating | — | coming soon |
Owner / operator
Operator: Calpeak Operating Services, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| CalPeak Power - Vaca Dixon LLC | 100.0% | 61 MW |
Nearby plants
Within 80 km.
| Vaca BESS | — | 0.1 km |
| Vaca Dixon Battery Storage System | retired | 0.7 km |
| Vaca Dixon Solar Station | 2 MW | 1.3 km |
| Vacaville Hospital | 2 MW | 1.7 km |
| Genentech Vacaville Meter #1 | 6 MW | 2.3 km |
| Vacaville | 1 MW | 3.2 km |