Covanta Mendota

Waste power plant in California, United States of America. Approximate location 36.7559, -120.3654.

WasteCaliforniaUnited States of America

Covanta Mendota is a 28 MW waste power plant in California, United States of America. It is operated by Covanta Mendota LP. Based on its capacity (estimated), it can supply roughly 39k homes (estimated). It ranks #4371 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, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

28Source-backed capacity
38,544homes powered (est.)
1989commissioned (~37 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0010837.

Data status

Known data

FacilityCovanta Mendota WRI
CountryUnited States of America · California WRI
Coordinates36.7559, -120.3654 WRI
FuelWaste WRI
MW installed capacity28 MW WRI source record; scope not independently normalised
OwnerCovanta Mendota LP WRI
Commissioned1989 WRI

Calculated from dataset

Capacity rank in country#4371 of 10938 calculated
Fuel-specific rank in country#111 of 551 calculated
Capacity vs country/fuel peers4.24× · 7 MW median · 551 peers calculated
Homes-powered equivalent38,544 calculated
Climate16.4°C · HDD 1,330 derived from coordinates
Environmental severityC1 · 37/100 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 28 MW, Covanta Mendota is well above the median waste plant in United States of America (7 MW). Waste-to-energy plants burn municipal solid waste to generate electricity and heat, cutting landfill volume while recovering energy from residual waste.

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

Reported generation trend

2013: 175 GWh20132014: 179 GWh20142015: 0 GWh20152016: 0 GWh20162017: 0 GWh20172018: 0 GWh2018179 GWh

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

Owner

Operated by Covanta Mendota LP.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a cold semi-arid steppe climate (Köppen BSk) — Northern Hemisphere, latitude 36.8°N — which shapes how much energy it can produce and how its output varies through the year.

16.4°Cannual mean temp
1,330heating degree-days (base 18°C)
743cooling degree-days (base 18°C)
53 melevation

Monthly mean temperature

J: 7 °CJF: 10 °CFM: 13 °CMA: 15 °CAM: 19 °CMJ: 23 °CJJ: 25 °CJA: 25 °CAS: 22 °CSO: 18 °CON: 12 °CND: 7 °CD25 °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 benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
37/100environmental-severity index
18.1°Cseasonal temperature swing
159 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 #111 largest waste power plant of 551 in United States of America by capacity.

United States of America has 551 waste power plants in this dataset, together about 10,154 MW of capacity.

Nearby power plants

Location

Coordinates 36.7559, -120.3654 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Covanta Mendota?

Covanta Mendota is a 28 MW source-record waste power plant in California, United States of America, commissioned in 1989.

How many homes can Covanta Mendota power?

Its output is enough to supply roughly 38,544 homes (estimated).

Who operates Covanta Mendota?

Covanta Mendota is operated by Covanta Mendota LP.

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