City of Hayward WWTP
Alameda County, California · EIA plant ID 58525 · Operator: City of Hayward
Nameplate3MWSummer 3 MW
Generators2in service
Net generation11GWh12 mo to Dec 2025
Capacity factor18%solar units, summer MW
Heat rate9,834Btu/kWhfossil units, electric fuel, HHV
First online2010
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), solar 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2012 | 2.3 | 26.6% | — |
| 2013 | 2.4 | 27.9% | — |
| 2014 | 2.3 | 26.4% | — |
| 2015 | 2.3 | 26.6% | — |
| 2016 | 11 | 26.4% | 9,130 |
| 2017 | 10.4 | 24.0% | 9,480 |
| 2018 | 10.7 | 24.9% | 9,539 |
| 2019 | 9.9 | 26.2% | 9,777 |
| 2020 | 11 | 25.5% | 10,019 |
| 2021 | 10.9 | 24.9% | 10,217 |
| 2022 | 10.3 | 25.9% | 10,254 |
| 2023 | 10.3 | 22.4% | 9,467 |
| 2024 | 11.3 | 22.2% | 9,928 |
| 2025 | 10.5 | 17.7% | 9,834 |
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 | Solar Photovoltaic | PV | 1.6 | 1.6 | Nov 2010 | Operating | — | coming soon |
| COGEN | Other Waste Biomass | IC | 1.1 | 1.1 | Dec 2014 | Operating | — | coming soon |
Owner / operator
Operator: City of Hayward. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Hayward | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Russell City Energy Center | 655 MW | 0.5 km |
| AT&T - Hayward | 1 MW | 4.8 km |
| Union Sanitary District Cogen | 2 MW | 6.5 km |
| CSU East Bay | retired | 7.6 km |
| KSR028 Merced Fuel Cell | 2 MW | 8.4 km |
| Preferred Freezer San Leandro | 2 MW | 8.8 km |