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Ryegate Power Station

Waste power plant in New Hampshire, United States of America. Approximate location 44.2131, -72.0572.

WasteNew HampshireUnited States of America

Ryegate Power Station is a 22 MW waste power plant in New Hampshire, United States of America. It is operated by ENGIE. Based on reported annual generation of 131 GWh, it can supply roughly 37,400 homes. It ranks #3614 of 9,833 United States of America power plants by installed capacity. Commissioned in 1992, it is around 34 years old — long-established. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

22MW installed capacity
131GWh reported / yr
37,400homes powered
1992commissioned (~34 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0051026.

Reported generation trend

2013: 146 GWh20132014: 142 GWh20142015: 155 GWh20152016: 155 GWh20162017: 166 GWh20172018: 167 GWh20182019: 131 GWh2019167 GWh

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

Owner

Operated by ENGIE. All plants by this company →

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 44.2°N — which shapes how much energy it can produce and how its output varies through the year.

6.1°Cannual mean temp
4,398heating degree-days (base 18°C)
68cooling degree-days (base 18°C)
257 melevation

Monthly mean temperature

J: -9 °CJF: -7 °CFM: -1 °CMA: 5 °CAM: 12 °CMJ: 17 °CJJ: 20 °CJA: 18 °CAS: 14 °CSO: 8 °CON: 2 °CND: -6 °CD20 °C

Heating degree-days here run 79% 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: 89/100 — this site sits in the top third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

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.

How it compares & nearby plants

The #136 largest waste power plant of 541 in United States of America by capacity.

United States of America has 541 waste power plants in this dataset, together about 9,768 MW of capacity.

Nearby power plants

Location

Coordinates 44.2131, -72.0572 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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