Whitewater Hydro Plant
Riverside County, California · EIA plant ID 10162 · Operator: Desert Water Agency
Nameplate1MWSummer 1 MW
Generators1in service
Net generation5GWh12 mo to Dec 2025
Capacity factor43%hydro units, summer MW
Heat rate—thermal plants only
First online1986
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 0.1 | 0.5% | — |
| 2002 | 1.4 | 12.1% | — |
| 2003 | 0 | 0.0% | — |
| 2004 | 0 | 0.0% | — |
| 2005 | 3.8 | 33.7% | — |
| 2006 | 3.1 | 27.3% | — |
| 2007 | 0.5 | 4.2% | — |
| 2008 | 0.5 | 4.8% | — |
| 2009 | 1.4 | 12.1% | — |
| 2010 | 4.2 | 36.5% | — |
| 2011 | 5.9 | 51.5% | — |
| 2012 | 5.6 | 49.3% | — |
| 2013 | 0.6 | 5.5% | — |
| 2014 | 0 | 0.0% | — |
| 2015 | 0 | 0.0% | — |
| 2016 | 1.9 | 16.6% | — |
| 2017 | 7.2 | 63.0% | — |
| 2018 | 2.8 | 24.8% | — |
| 2019 | 4 | 35.2% | — |
| 2020 | 2 | 17.3% | — |
| 2021 | 0.3 | 2.7% | — |
| 2022 | 0.4 | 3.4% | — |
| 2023 | 3 | 26.7% | — |
| 2024 | 4.7 | 41.0% | — |
| 2025 | 4.9 | 42.8% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| WWHI | Conventional Hydroelectric | HY | 1.3 | 1.3 | Apr 1986 | Operating (Standby / backup) | — | coming soon |
Owner / operator
Operator: Desert Water Agency. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Desert Water Agency | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Painted Hills | 47 MW | 2.1 km |
| AM Wind Repower LLC | 27 MW | 2.2 km |
| Whitewater Hill Wind Partners | 62 MW | 2.4 km |
| San Gorgonio Farms Wind Farm | 31 MW | 2.5 km |
| Mesa Wind Power Corp | 30 MW | 3.6 km |
| Swanmill Windfarm I | retired | 4.3 km |