MM San Diego-Miramar

MM San Diego-Miramar is a 7 MW biomass power plant in San Diego County, California, operated by MM San Diego Energy-Miramar. EIA-860M lists 4 generating units here, inside CAISO. Its units entered service in 1997.

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
7.3 MW
6.4 MW net summer
Generating units
4
In service
1997
EIA plant ID
55094

Where it is

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County
San Diego County, California
Coordinates
32.8448, -117.1627
Balancing authority
CISO
Sector
IPP CHP

Units, technology and status

Operator of record
MM San Diego Energy-Miramar
Primary energy source
Biomass
Technologies
Landfill Gas
Status
Operating

Every plant MM San Diego Energy-Miramar reports to EIA →

MM San Diego-Miramar: FAQ

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