Siphon Drop Power Plant
Hydro power plant in Imperial County, California. 4.4 MW of nameplate capacity across 2 generators, operated by Yuma County Water User's Association.
Also known as EIA plant 57364
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.4 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- September 1987First generator online
- Operator
- Yuma County Water User's AssociationEIA operator ID 56707
- Grid
- WALCBalancing authority WALC
- Price nodes
- None linkedNo verified ISO node
- Location
- Imperial County, CA32.7792, −114.6344
- EIA plant ID
- 57364EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Siphon Drop produces
Free · EIA-923Net generation, 2025
11.6 GWh
11,616 MWh, final
Capacity factor, 2025
30.1%
2024: 30.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
11.3–17.2
GWh a year. Low 2018, high 2016
| 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 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | 22,897 | 59.4% | 12 of 12 |
| 2011 | 12,765 | 33.1% | 12 of 12 |
| 2012 | 15,138 | 39.2% | 12 of 12 |
| 2013 | 14,123 | 36.6% | 12 of 12 |
| 2014 | 15,182 | 39.4% | 12 of 12 |
| 2015 | 16,172 | 42.0% | 12 of 12 |
| 2016 | 17,242 | 44.6% | 12 of 12 |
| 2017 | 14,017 | 36.4% | 12 of 12 |
| 2018 | 11,332 | 29.4% | 12 of 12 |
| 2019 | 14,366 | 37.3% | 12 of 12 |
| 2020 | 12,776 | 33.1% | 12 of 12 |
| 2021 | 13,769 | 35.7% | 12 of 12 |
| 2022 | 11,807 | 30.6% | 12 of 12 |
| 2023 | 12,793 | 33.2% | 12 of 12 |
| 2024 | 11,600 | 30.0% | 12 of 12 |
| 2025 | 11,616 | 30.1% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 | 2.2 | September 1987 |
| 2 | Conventional Hydroelectric | 2.2 | December 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 Yuma County Water User's Association 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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Questions about Siphon Drop
How much power does Siphon Drop Power Plant produce?
Siphon Drop Power Plant reported 11,616 MWh (11.6 GWh) of net generation in 2025, a 30.1% capacity factor on 4.4 MW of nameplate capacity.
Where is Siphon Drop Power Plant?
Siphon Drop Power Plant is in Imperial County, California, at 32.7792, −114.6344. It is in the Western Area Power Administration - Desert Southwest Region balancing area (WALC).
Who operates Siphon Drop Power Plant?
EIA-860M for August 2026 lists Yuma County Water User's Association as the operator (EIA operator ID 56707). The operator is not always the owner.
When did Siphon Drop Power Plant start operating?
Its first generator began operating in September 1987, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page