Where is City of Hayward WWTP?

In Alameda County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is City of Hayward WWTP?

3 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns City of Hayward WWTP?

EIA-860M names City of Hayward (CA) as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as City of Hayward WWTP LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Hayward (CA) here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "City of Hayward WWTP LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is City of Hayward WWTP still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

City of Hayward WWTP

City of Hayward WWTP is a 3 MW solar farm in Alameda County, California, operated by City of Hayward (CA). EIA-860M lists 2 generating units here, inside CAISO. Its units entered service between 2010 and 2014.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 2.7 MW; 2.7 MW net summer
Generating units: 2
In service: 2010–2014
EIA plant ID: 58525

Where it is

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County: Alameda County, California
Coordinates: 37.6335, -122.1397
Balancing authority: CISO
Sector: Commercial CHP

Units, technology and status

Operator of record: City of Hayward (CA)
Primary energy source: Solar
Technologies: Other Waste Biomass, Solar Photovoltaic
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Solar 2 MW, Biomass 1 MW. It is filed here under Solar, the source with the most capacity.

Every plant City of Hayward (CA) reports to EIA →

City of Hayward WWTP: FAQ

Where is City of Hayward WWTP?: In Alameda County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is City of Hayward WWTP?: 3 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns City of Hayward WWTP?: EIA-860M names City of Hayward (CA) as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as City of Hayward WWTP LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Hayward (CA) here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "City of Hayward WWTP LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is City of Hayward WWTP still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.