E J Stoneman Station — United States of America
Biomass power plant in Iowa, United States of America. Approximate location 42.7083, -90.9847.
BiomassIowaUnited States of America
E J Stoneman Station is a 40 MW biomass power plant in Iowa, United States of America. Based on its capacity (estimated), it can supply roughly 55k homes (estimated). It ranks #3960 of 10,884 United States of America power plants by installed capacity. In context, biomass supplies about 1.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id CT-1811.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Source of the capacity and fuel values:
capacity: Wikidata P2109; fuel: Climate TRACE
In context: how this plant compares
At 40 MW, E J Stoneman Station is well above the median biomass plant in United States of America (17.9 MW). Biomass plants burn organic material such as wood, residues or waste-derived fuel to raise steam; they are dispatchable and counted as low-carbon where the feedstock is sustainably sourced.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Key facts
- Share of United States of America biomass capacity
- 0.6% of 6,324 MW across 184 plants in this dataset
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest biomass plants in United States of America
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Local climate & thermal context
This biomass plant burns organic material (wood, residues) to raise steam for a turbine. It sits in a hot-summer humid continental climate (Köppen Dfa) — Northern Hemisphere, latitude 42.7°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 57% 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
This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.
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 #68 largest biomass power plant of 184 in United States of America by capacity.
United States of America has 184 biomass power plants in this dataset, together about 6,324 MW of capacity.
Nearby power plants
- Nelson Dewey Generating Station · Coal · 200 MW · Iowa
- John Deere Dubuque Works · Oil · 9 MW · Iowa
- West Dubuque Solar · Solar · 3.8 MW · Iowa
- Alliant SBD 9205 A Y McDonald · Oil · 3.6 MW · Iowa
- Alliant SBD 9301 Prairie Farms · Oil · 3.5 MW · Iowa
- Mt. Hope DPC Solar · Solar · 1 MW · Wisconsin
Location
Coordinates 42.7083, -90.9847 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is E J Stoneman Station?
E J Stoneman Station is a 40 MW biomass power plant in Iowa, United States of America.