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Southeast Kern River Cogen

Gas power plant in California, United States of America. Approximate location 35.4206, -118.9644.

GasCaliforniaUnited States of America

Southeast Kern River Cogen is a 31 MW gas power plant in California, United States of America. It is operated by Chevron USA Inc. Based on reported annual generation of 109 GWh, it can supply roughly 31k homes. It ranks #4259 of 10,938 United States of America power plants by installed capacity. Commissioned in 1989, it is around 37 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).

31Source-backed capacity
109GWh reported / yr
31,114homes powered
1989commissioned (~37 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050751.

Data status

Known data

FacilitySoutheast Kern River Cogen WRI
CountryUnited States of America · California WRI
Coordinates35.4206, -118.9644 WRI
FuelGas WRI
MW installed capacity31 MW WRI source record; scope not independently normalised
OwnerChevron USA Inc WRI
Commissioned1989 WRI
GWh reported / yr109 GWh/yr WRI

Calculated from dataset

CO₂ emissions43,560 t CO₂/yr calculated
Capacity rank in country#4259 of 10938 calculated
Fuel-specific rank in country#1529 of 2165 calculated
Capacity vs country/fuel peers0.25× · 121 MW median · 2165 peers calculated
Homes-powered equivalent31,114 calculated from reported generation
Climate17.9°C · HDD 1,086 derived from coordinates
Environmental severityC1 · 41/100 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.

Capacity provenance

The public capacity above is the current source-record value. A 2026 tracker candidate lists 300 MW for Kern River cogeneration power station, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).

Capacity claim grade: B_SCOPE_PARENT_COMPLEX - recommended action: build_parent_complex_model - confidence: not_comparable_without_scope. This follows a claim-based data model: value + scope + source + confidence, rather than silently overwriting records.

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: GEM tracker 2026 (location L100000402439); fuel: WRI source-record fuel

In context: how this plant compares

At 31 MW, Southeast Kern River 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: 159 GWh20132014: 150 GWh20142015: 138 GWh20152016: 138 GWh20162017: 125 GWh20172018: 121 GWh20182019: 109 GWh2019159 GWh

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

Owner

Operated by Chevron USA Inc. All plants by this company →

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 cold semi-arid steppe climate (Köppen BSk) — Northern Hemisphere, latitude 35.4°N — which shapes how much energy it can produce and how its output varies through the year.

17.9°Cannual mean temp
1,086heating degree-days (base 18°C)
1,060cooling degree-days (base 18°C)
121 melevation

Monthly mean temperature

J: 9 °CJF: 12 °CFM: 14 °CMA: 17 °CAM: 21 °CMJ: 25 °CJJ: 28 °CJA: 27 °CAS: 24 °CSO: 19 °CON: 12 °CND: 8 °CD28 °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 ~2% 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 benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
41/100environmental-severity index
19.2°Cseasonal temperature swing
138 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 #1529 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 35.4206, -118.9644 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Southeast Kern River Cogen?

Southeast Kern River Cogen is a 31 MW source-record gas power plant in California, United States of America, commissioned in 1989.

How much electricity does Southeast Kern River Cogen generate?

Southeast Kern River Cogen generates about 109 GWh of electricity per year.

How many homes can Southeast Kern River Cogen power?

Its output is enough to supply roughly 31,114 homes.

Who operates Southeast Kern River Cogen?

Southeast Kern River Cogen is operated by Chevron USA Inc.

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