Encina Water Pollution Control
Biomass power plant in San Diego County, California. 3.2 MW of nameplate capacity across 4 generators, operated by Encina Joint Powers Authority.
Also known as EIA plant 10026
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.2 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- November 2008First generator online
- Operator
- Encina Joint Powers AuthorityEIA operator ID 5901
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- San Diego County, CA33.1165, −117.3215
- EIA plant ID
- 10026EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Encina Water Pollution Control produces
Free · EIA-923Net generation, 2025
14.3 GWh
14,281 MWh, final
Capacity factor, 2025
50.9%
2024: 50.4%
January to July 2026
8.23 GWh
Provisional
Range, 2015 to 2025
12.9–15.0
GWh a year. Low 2016, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 4,857 | Not reported | 12 of 12 |
| 2002 | 6,960 | Not reported | 12 of 12 |
| 2003 | 8,024 | Not reported | 12 of 12 |
| 2004 | 7,524 | Not reported | 12 of 12 |
| 2005 | 6,562 | Not reported | 12 of 12 |
| 2006 | 5,259 | Not reported | 12 of 12 |
| 2007 | 5,999 | Not reported | 12 of 12 |
| 2008 | 2,325 | Not reported | 12 of 12 |
| 2009 | 11,188 | Not reported | 12 of 12 |
| 2010 | 11,796 | 42.1% | 12 of 12 |
| 2011 | 12,200 | 43.5% | 12 of 12 |
| 2012 | −3,466 | -12.3% | 12 of 12 |
| 2013 | 13,164 | 47.0% | 12 of 12 |
| 2014 | 13,167 | 47.0% | 12 of 12 |
| 2015 | 13,492 | 48.1% | 12 of 12 |
| 2016 | 12,885 | 45.8% | 12 of 12 |
| 2017 | 13,833 | 49.3% | 12 of 12 |
| 2018 | 14,988 | 53.5% | 12 of 12 |
| 2019 | 14,522 | 51.8% | 12 of 12 |
| 2020 | 14,595 | 51.9% | 12 of 12 |
| 2021 | 14,499 | 51.7% | 12 of 12 |
| 2022 | 14,378 | 51.3% | 12 of 12 |
| 2023 | 14,356 | 51.2% | 12 of 12 |
| 2024 | 14,171 | 50.4% | 12 of 12 |
| 2025 | 14,281 | 50.9% | 12 of 12 |
| 2026 (provisional, partial year) | 8,234 | 50.6% | 7 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| EG10 | Other Waste Biomass | 0.8 | November 2008 |
| EG20 | Other Waste Biomass | 0.8 | November 2008 |
| EG30 | Other Waste Biomass | 0.8 | January 2009 |
| EG40 | Other Waste Biomass | 0.8 | April 2009 |
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 Encina Joint Powers Authority 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 Encina Water Pollution Control
How much power does Encina Water Pollution Control produce?
Encina Water Pollution Control reported 14,281 MWh (14.3 GWh) of net generation in 2025, a 50.9% capacity factor on 3.2 MW of nameplate capacity. From January to July 2026 it reported 8.23 GWh, which is provisional.
Where is Encina Water Pollution Control?
Encina Water Pollution Control is in San Diego County, California, at 33.1165, −117.3215. It is in the California Independent System Operator balancing area (CISO).
Who operates Encina Water Pollution Control?
EIA-860M for August 2026 lists Encina Joint Powers Authority as the operator (EIA operator ID 5901). The operator is not always the owner.
When did Encina Water Pollution Control start operating?
Its first generator began operating in November 2008, 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