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SF Southeast Cogen Plant

Biomass power plant in California, United States of America. Approximate location 37.7397, -122.3925.

BiomassCaliforniaUnited States of America

SF Southeast Cogen Plant is a 2 MW biomass power plant in California, United States of America. It is operated by City & County of San Francisco. Based on reported annual generation of 3 GWh, it can supply roughly 771 homes. It ranks #8798 of 10,938 United States of America power plants by installed capacity. Commissioned in 2002, it is around 24 years old — relatively modern. In context, biomass supplies about 1.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

2Source-backed capacity
3GWh reported / yr
771homes powered
2002commissioned (~24 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0057971.

Data status

Known data

FacilitySF Southeast Cogen Plant WRI
CountryUnited States of America · California WRI
Coordinates37.7397, -122.3925 WRI
FuelBiomass WRI
MW installed capacity2 MW WRI source record; scope not independently normalised
OwnerCity & County of San Francisco WRI
Commissioned2002 WRI
GWh reported / yr3 GWh/yr WRI

Calculated from dataset

Capacity rank in country#8798 of 10938 calculated
Fuel-specific rank in country#143 of 184 calculated
Capacity vs country/fuel peers0.12× · 18 MW median · 184 peers calculated
Homes-powered equivalent771 calculated from reported generation
Climate14.5°C · HDD 1,322 derived from coordinates
Environmental severityC4 · 35/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 2 MW, SF Southeast Cogen Plant is below the median biomass plant in United States of America (18 MW). Biomass plants burn organic material such as wood, residues or waste-derived fuel to raise steam; they are dispatchable and counted as low-carbon where the feedstock is sustainably sourced.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2013: 9 GWh20132014: 11 GWh20142015: 8 GWh20152016: 3 GWh20162017: 2 GWh20172018: 4 GWh20182019: 3 GWh201911 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by City & County of San Francisco.

Local climate & thermal context

This biomass plant burns organic material (wood, residues) to raise steam for a turbine. It sits in a warm-summer Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 37.7°N — which shapes how much energy it can produce and how its output varies through the year.

14.5°Cannual mean temp
1,322heating degree-days (base 18°C)
40cooling degree-days (base 18°C)
26 melevation

Monthly mean temperature

J: 10 °CJF: 11 °CFM: 12 °CMA: 14 °CAM: 15 °CMJ: 17 °CJJ: 18 °CJA: 19 °CAS: 18 °CSO: 16 °CON: 13 °CND: 10 °CD19 °C

Heating degree-days here run 46% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 31/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
35/100environmental-severity index
9.0°Cseasonal temperature swing
30 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #143 largest biomass power plant of 184 in United States of America by capacity.

United States of America has 184 biomass power plants in this dataset, together about 6,324 MW of capacity.

Nearby power plants

Location

Coordinates 37.7397, -122.3925 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is SF Southeast Cogen Plant?

SF Southeast Cogen Plant is a 2 MW source-record biomass power plant in California, United States of America, commissioned in 2002.

How much electricity does SF Southeast Cogen Plant generate?

SF Southeast Cogen Plant generates about 3 GWh of electricity per year.

How many homes can SF Southeast Cogen Plant power?

Its output is enough to supply roughly 771 homes.

Who operates SF Southeast Cogen Plant?

SF Southeast Cogen Plant is operated by City & County of San Francisco.

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