King City Power Plant
Natural gas power plant in Monterey County, California. 133.2 MW of nameplate capacity across 2 generators, operated by Calpine King City Cogen LLC.
Also known as EIA plant 10294
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Key facts
- Capacity
- 133.2 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- February 1989First generator online
- Operator
- Calpine King City Cogen LLCEIA operator ID 2938
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Monterey County, CA36.2250, −121.1278
- EIA plant ID
- 10294EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power King City produces
Free · EIA-923Net generation, 2025
24.3 GWh
24,287 MWh, final
Capacity factor, 2025
2.1%
2024: 3.2%
January to July 2026
12.3 GWh
Provisional
Range, 2015 to 2025
24.3–441.6
GWh a year. Low 2025, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 915,342 | Not reported | 12 of 12 |
| 2001 | 867,669 | Not reported | 12 of 12 |
| 2002 | 999,254 | Not reported | 12 of 12 |
| 2003 | 899,029 | Not reported | 11 of 12 |
| 2004 | 899,881 | Not reported | 12 of 12 |
| 2005 | 783,064 | Not reported | 12 of 12 |
| 2006 | 767,682 | Not reported | 12 of 12 |
| 2007 | 396,520 | Not reported | 12 of 12 |
| 2008 | 478,426 | Not reported | 12 of 12 |
| 2009 | 623,584 | Not reported | 12 of 12 |
| 2010 | 589,762 | 50.5% | 12 of 12 |
| 2011 | 599,747 | 51.4% | 12 of 12 |
| 2012 | 501,229 | 42.8% | 12 of 12 |
| 2013 | 409,742 | Not reported | 12 of 12 |
| 2014 | 511,787 | 43.9% | 12 of 12 |
| 2015 | 441,613 | 37.8% | 12 of 12 |
| 2016 | 419,188 | 35.8% | 12 of 12 |
| 2017 | 383,375 | 32.9% | 12 of 12 |
| 2018 | 374,693 | 32.1% | 12 of 12 |
| 2019 | 161,447 | 13.8% | 12 of 12 |
| 2020 | 61,552 | 5.3% | 12 of 12 |
| 2021 | 84,081 | 7.2% | 12 of 12 |
| 2022 | 60,072 | 5.1% | 12 of 12 |
| 2023 | 56,381 | 4.8% | 12 of 12 |
| 2024 | 37,953 | 3.2% | 12 of 12 |
| 2025 | 24,287 | 2.1% | 12 of 12 |
| 2026 (provisional, partial year) | 12,276 | 1.8% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDCO₂, 2025
12,782
US short tons. 2024: 20,242
SO₂, 2025
0
US short tons
NOx, 2025
6
US short tons
CO₂ per MWh, calculated
0.53 t
About 1,053 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (GTG), matched to EIA plant 10294 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GTG | Natural Gas Fired Combined Cycle | 90.8 | February 1989 |
| STG | Natural Gas Fired Combined Cycle | 42.4 | March 1989 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Calpine King City Cogen LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about King City
How much power does King City Power Plant produce?
King City Power Plant reported 24,287 MWh (24.3 GWh) of net generation in 2025, a 2.1% capacity factor on 133.2 MW of nameplate capacity. From January to July 2026 it reported 12.3 GWh, which is provisional.
Where is King City Power Plant?
King City Power Plant is in Monterey County, California, at 36.2250, −121.1278. It is in the California Independent System Operator balancing area (CISO).
Who operates King City Power Plant?
EIA-860M for August 2026 lists Calpine King City Cogen LLC as the operator (EIA operator ID 2938). The operator is not always the owner.
When did King City Power Plant start operating?
Its first generator began operating in February 1989, according to EIA-860M.
Does InfraMap have power prices for King City Power Plant?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to King City Power Plant, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page