Monterey One Water
Biomass power plant in Monterey County, California. 1.8 MW of nameplate capacity across 3 generators, operated by Monterey One Water.
Also known as EIA plant 54951
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.8 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- August 1988First generator online
- Operator
- Monterey One WaterEIA operator ID 12221
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Monterey County, CA36.7056, −121.7714
- EIA plant ID
- 54951EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Monterey One Water produces
Free · EIA-923Net generation, 2025
8.38 GWh
8,375 MWh, final
Capacity factor, 2025
53.1%
2024: 46.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
7.3–9.2
GWh a year. Low 2024, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 7,374 | Not reported | 11 of 12 |
| 2002 | 6,710 | Not reported | 12 of 12 |
| 2003 | 9,849 | Not reported | 12 of 12 |
| 2004 | 9,800 | Not reported | 12 of 12 |
| 2005 | 8,207 | Not reported | 12 of 12 |
| 2006 | 9,615 | Not reported | 12 of 12 |
| 2007 | 8,799 | Not reported | 12 of 12 |
| 2008 | 7,948 | Not reported | 12 of 12 |
| 2009 | 6,321 | Not reported | 12 of 12 |
| 2010 | 7,623 | 58.0% | 12 of 12 |
| 2011 | 7,912 | 60.2% | 12 of 12 |
| 2012 | 8,407 | 63.8% | 12 of 12 |
| 2013 | 8,547 | Not reported | 12 of 12 |
| 2014 | 7,435 | 47.2% | 12 of 12 |
| 2015 | 8,544 | 54.2% | 12 of 12 |
| 2016 | 8,643 | 54.7% | 12 of 12 |
| 2017 | 9,237 | 58.6% | 12 of 12 |
| 2018 | 8,706 | 55.2% | 12 of 12 |
| 2019 | 8,146 | 51.7% | 12 of 12 |
| 2020 | 7,662 | 48.5% | 12 of 12 |
| 2021 | 8,604 | 54.6% | 12 of 12 |
| 2022 | 8,727 | 55.3% | 12 of 12 |
| 2023 | 7,838 | 49.7% | 12 of 12 |
| 2024 | 7,329 | 46.4% | 12 of 12 |
| 2025 | 8,375 | 53.1% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 CAMPDNo EPA emissions units are linked to this plant.
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 |
|---|---|---|---|
| EG1 | Other Waste Biomass | 0.6 | August 1988 |
| EG2 | Other Waste Biomass | 0.6 | August 1988 |
| EG3 | Other Waste Biomass | 0.6 | August 1988 |
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 Monterey One Water 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 Monterey One Water
How much power does Monterey One Water produce?
Monterey One Water reported 8,375 MWh (8.38 GWh) of net generation in 2025, a 53.1% capacity factor on 1.8 MW of nameplate capacity.
Where is Monterey One Water?
Monterey One Water is in Monterey County, California, at 36.7056, −121.7714. It is in the California Independent System Operator balancing area (CISO).
Who operates Monterey One Water?
EIA-860M for August 2026 lists Monterey One Water as the operator (EIA operator ID 12221). The operator is not always the owner.
When did Monterey One Water start operating?
Its first generator began operating in August 1988, according to EIA-860M.
Does InfraMap have power prices for Monterey One Water?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Monterey One Water, 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)
- 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