Santa Clara Cogen

Gas power plant in California, United States of America. Approximate location 37.3643, -121.9442.

GasCaliforniaUnited States of America

Santa Clara Cogen is a 8 MW gas power plant in California, United States of America. It is operated by City of Santa Clara - (CA). Based on reported annual generation of 46 GWh, it can supply roughly 13k homes. It ranks #6116 of 10,938 United States of America power plants by installed capacity. Commissioned in 1982, it is around 44 years old — long-established. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

8Source-backed capacity
46GWh reported / yr
13,257homes powered
1982commissioned (~44 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0007232.

Data status

Known data

FacilitySanta Clara Cogen WRI
CountryUnited States of America · California WRI
Coordinates37.3643, -121.9442 WRI
FuelGas WRI
MW installed capacity8 MW WRI source record; scope not independently normalised
OwnerCity of Santa Clara - (CA) WRI
Commissioned1982 WRI
GWh reported / yr46 GWh/yr WRI

Calculated from dataset

CO₂ emissions18,560 t CO₂/yr calculated
Capacity rank in country#6116 of 10938 calculated
Fuel-specific rank in country#1824 of 2165 calculated
Capacity vs country/fuel peers0.06× · 121 MW median · 2165 peers calculated
Homes-powered equivalent13,257 calculated from reported generation
Climate15.8°C · HDD 1,088 derived from coordinates
Environmental severityC4 · 38/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot 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 8 MW, Santa Clara Cogen is below the median gas plant in United States of America (121 MW). Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

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

Reported generation trend

2013: 50 GWh20132014: 0 GWh20142015: 0 GWh20152016: 0 GWh20162017: 0 GWh20172018: 0 GWh20182019: 46 GWh201950 GWh

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

Owner

Operated by City of Santa Clara - (CA).

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a warm-summer Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 37.4°N — which shapes how much energy it can produce and how its output varies through the year.

15.8°Cannual mean temp
1,088heating degree-days (base 18°C)
311cooling degree-days (base 18°C)
71 melevation

Monthly mean temperature

J: 10 °CJF: 12 °CFM: 13 °CMA: 15 °CAM: 17 °CMJ: 20 °CJJ: 21 °CJA: 21 °CAS: 20 °CSO: 18 °CON: 13 °CND: 10 °CD21 °C

Heating degree-days here run 56% 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: 27/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~1% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

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)
38/100environmental-severity index
11.1°Cseasonal temperature swing
23 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 #1824 largest gas power plant of 2165 in United States of America by capacity.

United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.

Nearby power plants

Location

Coordinates 37.3643, -121.9442 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Santa Clara Cogen?

Santa Clara Cogen is a 8 MW source-record gas power plant in California, United States of America, commissioned in 1982.

How much electricity does Santa Clara Cogen generate?

Santa Clara Cogen generates about 46 GWh of electricity per year.

How many homes can Santa Clara Cogen power?

Its output is enough to supply roughly 13,257 homes.

Who operates Santa Clara Cogen?

Santa Clara Cogen is operated by City of Santa Clara - (CA).

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