Beardsley
Hydro power plant in Tuolumne County, California. 10 MW of nameplate capacity across 1 generator, operated by Oakdale&South San Joaquin Irrigation D..
Also known as EIA plant 414
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 10 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 1957First generator online
- Operator
- Oakdale&South San Joaquin Irrigation D.EIA operator ID 13935
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Tuolumne County, CA38.2026, −120.0770
- EIA plant ID
- 414EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Beardsley produces
Free · EIA-923Net generation, 2025
56.4 GWh
56,354 MWh, final
Capacity factor, 2025
64.3%
2024: 63.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
18.7–84.3
GWh a year. Low 2015, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 59,195 | Not reported | 12 of 12 |
| 2001 | 29,444 | Not reported | 12 of 12 |
| 2002 | 55,869 | Not reported | 12 of 12 |
| 2003 | 49,428 | Not reported | 12 of 12 |
| 2004 | 44,007 | Not reported | 12 of 12 |
| 2005 | 48,673 | Not reported | 12 of 12 |
| 2006 | 83,118 | Not reported | 12 of 12 |
| 2007 | 27,550 | Not reported | 12 of 12 |
| 2008 | 37,196 | Not reported | 12 of 12 |
| 2009 | 59,753 | Not reported | 12 of 12 |
| 2010 | 54,763 | 62.5% | 12 of 12 |
| 2011 | 77,531 | 88.5% | 12 of 12 |
| 2012 | 33,722 | 38.4% | 12 of 12 |
| 2013 | 34,571 | 39.5% | 12 of 12 |
| 2014 | 15,182 | 17.3% | 12 of 12 |
| 2015 | 18,739 | 21.4% | 12 of 12 |
| 2016 | 68,443 | 77.9% | 12 of 12 |
| 2017 | 84,257 | 96.2% | 12 of 12 |
| 2018 | 53,455 | 61.0% | 12 of 12 |
| 2019 | 68,189 | 77.8% | 12 of 12 |
| 2020 | 36,527 | 41.6% | 12 of 12 |
| 2021 | 25,135 | 28.7% | 12 of 12 |
| 2022 | 44,911 | 51.3% | 12 of 12 |
| 2023 | 82,660 | 94.4% | 12 of 12 |
| 2024 | 55,717 | 63.4% | 12 of 12 |
| 2025 | 56,354 | 64.3% | 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 | 10.0 | May 1957 |
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 Oakdale&South San Joaquin Irrigation D. as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query Beardsley and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Beardsley
More plants operated by Oakdale&South San Joaquin Irrigation D.
Questions about Beardsley
How much power does Beardsley produce?
Beardsley reported 56,354 MWh (56.4 GWh) of net generation in 2025, a 64.3% capacity factor on 10 MW of nameplate capacity.
Where is Beardsley?
Beardsley is in Tuolumne County, California, at 38.2026, −120.0770. It is in the California Independent System Operator balancing area (CISO).
Who operates Beardsley?
EIA-860M for August 2026 lists Oakdale&South San Joaquin Irrigation D. as the operator (EIA operator ID 13935). The operator is not always the owner.
When did Beardsley start operating?
Its first generator began operating in May 1957, according to EIA-860M.
Does InfraMap have power prices for Beardsley?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Beardsley, 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