Foothill Feeder
Los Angeles County, California · EIA plant ID 6645 · Operator: Metropolitan Water District of S CA
Nameplate9MWSummer 7 MW
Generators2in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%hydro units, summer MW
Heat rate—thermal plants only
First online1981
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 | 59.8 | 68.2% | — |
| 2002 | 63.3 | 72.2% | — |
| 2003 | 64.3 | 73.4% | — |
| 2004 | 57.8 | 92.4% | — |
| 2005 | 65.6 | 105.2% | — |
| 2006 | 52.1 | 83.6% | — |
| 2007 | 45.5 | 73.1% | — |
| 2008 | 60.1 | 96.4% | — |
| 2009 | 49.1 | 78.9% | — |
| 2010 | 48.1 | 77.4% | — |
| 2011 | 50.7 | 81.5% | — |
| 2012 | 54.1 | 86.7% | — |
| 2013 | 59.6 | 95.8% | — |
| 2014 | 24.9 | 40.1% | — |
| 2015 | 0 | 0.0% | — |
| 2016 | 27.4 | 43.9% | — |
| 2017 | 52.7 | 84.7% | — |
| 2018 | 48.5 | 78.0% | — |
| 2019 | 44.3 | 71.3% | — |
| 2020 | 51 | 81.8% | — |
| 2021 | 24.2 | 39.0% | — |
| 2022 | 0 | 0.0% | — |
| 2023 | 19.6 | 31.6% | — |
| 2024 | 0 | 0.0% | — |
| 2025 | 0 | 0.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | HY | 4.5 | 7.1 | Apr 1981 | Operating | — | coming soon |
| 2 | Conventional Hydroelectric | HY | 4.5 | — | Apr 1981 | Operating | — | coming soon |
Owner / operator
Operator: Metropolitan Water District of S CA. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Metropolitan Water District of S CA | 100.0% | 9 MW |
Nearby plants
Within 80 km.
| Homestead Energy Storage LLC | — | 2.9 km |
| San Francisquito 2 | 46 MW | 8 km |
| Castaic | 1,682 MW | 9.2 km |
| Six Flags Magic Mountain | — | 9.7 km |
| Ameresco Chiquita Canyon | 9 MW | 9.7 km |
| Castaic Lake Phase II | 5 MW | 12.8 km |