Foothill Sanitary Landfill - Solar Array

Foothill Sanitary Landfill - Solar Array is a 4 MW solar farm in San Joaquin County, California, operated by Ameresco San Joaquin Solar LLC. EIA-860M lists 1 generating unit here. Its unit entered service in 2021.

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
3.6 MW
3.5 MW net summer
Generating units
1
In service
2021
EIA plant ID
65089

Where it is

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County
San Joaquin County, California
Coordinates
38.0424, -120.9338
Balancing authority
PACW
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Ameresco San Joaquin Solar LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Ameresco San Joaquin Solar LLC reports to EIA →

Foothill Sanitary Landfill - Solar Array: FAQ

Where is Foothill Sanitary Landfill - Solar Array?
In San Joaquin 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 Foothill Sanitary Landfill - Solar Array?
4 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Foothill Sanitary Landfill - Solar Array?
EIA-860M names Ameresco San Joaquin Solar LLC 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 Foothill Sanitary Landfill - Solar Array LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ameresco San Joaquin Solar LLC 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 "Foothill Sanitary Landfill - Solar Array LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Foothill Sanitary Landfill - Solar Array still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.