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Ameresco Janesville

Waste power plant in Wisconsin, United States of America. Approximate location 42.7083, -89.0208.

WasteWisconsinUnited States of America

Ameresco Janesville is a 3 MW waste power plant in Wisconsin, United States of America. It is operated by AMERESCO Janesville LLC. Based on reported annual generation of 12 GWh, it can supply roughly 3.3k homes. It ranks #8095 of 10,938 United States of America power plants by installed capacity. Commissioned in 2004, it is around 22 years old — relatively modern. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

3Source-backed capacity
12GWh reported / yr
3,285homes powered
2004commissioned (~22 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0056427.

Data status

Known data

FacilityAmeresco Janesville WRI
CountryUnited States of America · Wisconsin WRI
Coordinates42.7083, -89.0208 WRI
FuelWaste WRI
MW installed capacity3 MW WRI source record; scope not independently normalised
OwnerAMERESCO Janesville LLC WRI
Commissioned2004 WRI
GWh reported / yr12 GWh/yr WRI

Calculated from dataset

Capacity rank in country#8095 of 10938 calculated
Fuel-specific rank in country#460 of 551 calculated
Capacity vs country/fuel peers0.45× · 7 MW median · 551 peers calculated
Homes-powered equivalent3,285 calculated from reported generation
Climate8.3°C · HDD 3,806 derived from coordinates
Environmental severityC3 · 36/100 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 3 MW, Ameresco Janesville is below 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: 14 GWh20132014: 14 GWh20142015: 12 GWh20152016: 11 GWh20162017: 11 GWh20172018: 13 GWh20182019: 12 GWh201914 GWh

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

Owner

Operated by AMERESCO Janesville LLC.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 42.7°N — which shapes how much energy it can produce and how its output varies through the year.

8.3°Cannual mean temp
3,806heating degree-days (base 18°C)
282cooling degree-days (base 18°C)
272 melevation

Monthly mean temperature

J: -8 °CJF: -5 °CFM: 1 °CMA: 8 °CAM: 15 °CMJ: 20 °CJJ: 22 °CJA: 21 °CAS: 17 °CSO: 10 °CON: 3 °CND: -5 °CD22 °C

Heating degree-days here run 55% above 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: 82/100 — this site sits in the top 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with thermal cycling the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
36/100environmental-severity index
30.0°Cseasonal temperature swing
103 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 #460 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 42.7083, -89.0208 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Ameresco Janesville?

Ameresco Janesville is a 3 MW source-record waste power plant in Wisconsin, United States of America, commissioned in 2004.

How much electricity does Ameresco Janesville generate?

Ameresco Janesville generates about 12 GWh of electricity per year.

How many homes can Ameresco Janesville power?

Its output is enough to supply roughly 3,285 homes.

Who operates Ameresco Janesville?

Ameresco Janesville is operated by AMERESCO Janesville LLC.

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