King City Power Plant
Monterey County, California · EIA plant ID 10294 · Operator: Calpine King City Cogen LLC
Nameplate133MWSummer 115 MW
Generators2in service
Net generation34GWh12 mo to Aug 2026
Capacity factor3%gas/coal/oil units, summer MW
Heat rate7,821Btu/kWhfossil units, electric fuel, HHV
First online1989Runs as peaking
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) |
|---|---|---|---|
| 2001 | 867.7 | — | — |
| 2002 | 999.3 | — | — |
| 2003 | 902.5 | 92.8% | 8,624 |
| 2004 | 899.9 | 92.3% | 8,606 |
| 2005 | 783.1 | 80.5% | 8,606 |
| 2006 | 767.7 | 79.0% | 8,606 |
| 2007 | 396.5 | 40.8% | 8,589 |
| 2008 | 478.4 | 49.1% | 8,582 |
| 2009 | 623.6 | 64.1% | 8,166 |
| 2010 | 589.8 | 60.7% | 8,655 |
| 2011 | 599.7 | 61.7% | 8,491 |
| 2012 | 501.2 | 51.4% | 8,629 |
| 2013 | 409.7 | 42.1% | 8,597 |
| 2014 | 511.8 | 52.6% | 8,491 |
| 2015 | 441.6 | 45.4% | 8,513 |
| 2016 | 419.2 | 43.0% | 7,859 |
| 2017 | 383.4 | 39.4% | 7,852 |
| 2018 | 374.7 | 38.5% | 7,845 |
| 2019 | 161.4 | 16.6% | 7,833 |
| 2020 | 61.6 | 6.3% | 7,803 |
| 2021 | 84.1 | 8.6% | 7,783 |
| 2022 | 60.1 | 6.0% | 7,825 |
| 2023 | 56.4 | 5.6% | 7,831 |
| 2024 | 38 | 3.8% | 7,843 |
| 2025 | 24.3 | 2.4% | 7,838 |
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 |
|---|---|---|---|---|---|---|---|---|
| GTG | Natural Gas Fired Combined Cycle | CT | 90.8 | 80 | Feb 1989 | Operating | — | coming soon |
| STG | Natural Gas Fired Combined Cycle | CA | 42.4 | 35 | Mar 1989 | Operating | — | coming soon |
Owner / operator
Operator: Calpine King City Cogen LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Calpine King City Cogen LLC | 100.0% | 133 MW |
Nearby plants
Within 80 km.
| King City Peaking | 47 MW | 0.3 km |
| Foundation Scheid Vineyards | 2 MW | 7.9 km |
| Blackjack Solar | 4 MW | 10.3 km |
| City of Soledad Water Reclamation | 1 MW | 28.9 km |
| Foundation Dole Fresh Vegetables | 6 MW | 32.8 km |
| Foundation California Training Facility | 2 MW | 35 km |