Murphys
Hydro power plant in Calaveras County, California. 3.6 MW of nameplate capacity across 1 generator, operated by Utica Water & Power Authority.
Also known as Murphys Power Plant · EIA plant 261
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Key facts
- Capacity
- 3.6 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 1954First generator online
- Operator
- Utica Water & Power AuthorityEIA operator ID 19586
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Calaveras County, CA38.1471, −120.4464
- EIA plant ID
- 261EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Murphys produces
Free · EIA-923Net generation, 2025
14.8 GWh
14,814 MWh, final
Capacity factor, 2025
47.0%
2024: 48.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
6.2–18.6
GWh a year. Low 2015, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 4 | Not reported | 12 of 12 |
| 2003 | 15,292 | Not reported | 12 of 12 |
| 2004 | 14,016 | Not reported | 12 of 12 |
| 2005 | 14,016 | Not reported | 12 of 12 |
| 2006 | 16,653 | Not reported | 12 of 12 |
| 2007 | 10,591 | Not reported | 12 of 12 |
| 2008 | 12,868 | Not reported | 12 of 12 |
| 2009 | 15,479 | Not reported | 12 of 12 |
| 2010 | 16,328 | 41.4% | 12 of 12 |
| 2011 | 17,873 | 45.3% | 12 of 12 |
| 2012 | 14,123 | 35.7% | 12 of 12 |
| 2013 | 12,227 | Not reported | 12 of 12 |
| 2014 | 11,545 | 36.6% | 12 of 12 |
| 2015 | 6,187 | 19.6% | 12 of 12 |
| 2016 | 13,756 | 43.5% | 12 of 12 |
| 2017 | 18,573 | 58.9% | 12 of 12 |
| 2018 | 14,187 | 45.0% | 12 of 12 |
| 2019 | 14,963 | 47.4% | 12 of 12 |
| 2020 | 13,764 | 43.5% | 12 of 12 |
| 2021 | 10,040 | 31.8% | 12 of 12 |
| 2022 | 9,553 | 30.3% | 12 of 12 |
| 2023 | 17,758 | 56.3% | 12 of 12 |
| 2024 | 15,453 | 48.9% | 12 of 12 |
| 2025 | 14,814 | 47.0% | 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 | 3.6 | March 1954 |
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 Utica Water & Power Authority 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 Murphys
More plants operated by Utica Water & Power Authority
Questions about Murphys
How much power does Murphys produce?
Murphys reported 14,814 MWh (14.8 GWh) of net generation in 2025, a 47.0% capacity factor on 3.6 MW of nameplate capacity.
Where is Murphys?
Murphys is in Calaveras County, California, at 38.1471, −120.4464. It is in the California Independent System Operator balancing area (CISO).
Who operates Murphys?
EIA-860M for August 2026 lists Utica Water & Power Authority as the operator (EIA operator ID 19586). The operator is not always the owner.
When did Murphys start operating?
Its first generator began operating in March 1954, according to EIA-860M.
Does InfraMap have power prices for Murphys?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Murphys, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page