Moccasin Low Head Hydro Project
Hydro power plant in Tuolumne County, California. 2.9 MW of nameplate capacity across 1 generator, operated by City & County of San Francisco - (CA).
Also known as EIA plant 751
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.9 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- July 1987First generator online
- Operator
- City & County of San Francisco - (CA)EIA operator ID 16612
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Tuolumne County, CA37.8164, −120.3120
- EIA plant ID
- 751EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Moccasin Low Head Hydro Project produces
Free · EIA-923Net generation, 2025
3.34 GWh
3,335 MWh, final
Capacity factor, 2025
13.1%
2024: 0.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–3.3
GWh a year. Low 2015, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 7,518 | Not reported | 12 of 12 |
| 2001 | 4,932 | Not reported | 12 of 12 |
| 2002 | 4,129 | Not reported | 12 of 12 |
| 2003 | 7,257 | Not reported | 12 of 12 |
| 2004 | 3,746 | Not reported | 12 of 12 |
| 2005 | 6,699 | Not reported | 12 of 12 |
| 2006 | 6,783 | Not reported | 12 of 12 |
| 2007 | 1,456 | Not reported | 12 of 12 |
| 2008 | 2,759 | Not reported | 12 of 12 |
| 2009 | 4,334 | Not reported | 12 of 12 |
| 2010 | 8,708 | 34.3% | 12 of 12 |
| 2011 | 10,858 | 42.7% | 12 of 12 |
| 2012 | 1,648 | 6.5% | 12 of 12 |
| 2013 | 2,707 | 10.7% | 12 of 12 |
| 2014 | 0 | 0.0% | 12 of 12 |
| 2015 | 0 | 0.0% | 12 of 12 |
| 2016 | 1,359 | 5.3% | 12 of 12 |
| 2017 | 0 | 0.0% | 12 of 12 |
| 2018 | 0 | 0.0% | 12 of 12 |
| 2019 | 0 | 0.0% | 12 of 12 |
| 2020 | 0 | 0.0% | 12 of 12 |
| 2021 | 0 | 0.0% | 12 of 12 |
| 2022 | 0 | 0.0% | 12 of 12 |
| 2023 | 0 | 0.0% | 12 of 12 |
| 2024 | 4 | 0.0% | 12 of 12 |
| 2025 | 3,335 | 13.1% | 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. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 2.9 | July 1987 |
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 City & County of San Francisco - (CA) as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Moccasin Low Head Hydro Project
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Questions about Moccasin Low Head Hydro Project
How much power does Moccasin Low Head Hydro Project produce?
Moccasin Low Head Hydro Project reported 3,335 MWh (3.34 GWh) of net generation in 2025, a 13.1% capacity factor on 2.9 MW of nameplate capacity.
Where is Moccasin Low Head Hydro Project?
Moccasin Low Head Hydro Project is in Tuolumne County, California, at 37.8164, −120.3120. It is in the California Independent System Operator balancing area (CISO).
Who operates Moccasin Low Head Hydro Project?
EIA-860M for August 2026 lists City & County of San Francisco - (CA) as the operator (EIA operator ID 16612). The operator is not always the owner.
When did Moccasin Low Head Hydro Project start operating?
Its first generator began operating in July 1987, according to EIA-860M.
Does InfraMap have power prices for Moccasin Low Head Hydro Project?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Moccasin Low Head Hydro Project, 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