Cottonwood Solar, LLC Cottonwood Carport
Cottonwood Solar, LLC Cottonwood Carport is a 1 MW solar farm in Marin County, California, operated by Onward Energy. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2016.
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
- 1 MW
- 1 MW net summer
- Generating units
- 1
- In service
- 2016
- EIA plant ID
- 59703
Where it is
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- County
- Marin County, California
- Coordinates
- 38.1298, -122.5682
- Balancing authority
- CISO
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Onward Energy
- Primary energy source
- Solar
- Technologies
- Solar Photovoltaic
- Status
- Operating
Cottonwood Solar, LLC Cottonwood Carport: FAQ
- Where is Cottonwood Solar, LLC Cottonwood Carport?
- In Marin 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 Cottonwood Solar, LLC Cottonwood Carport?
- 1 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Cottonwood Solar, LLC Cottonwood Carport?
- EIA-860M names Onward Energy 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 Cottonwood Solar, LLC Cottonwood Carport LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Onward Energy 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 "Cottonwood Solar, LLC Cottonwood Carport LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Cottonwood Solar, LLC Cottonwood Carport still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.