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Biomass Generator #12

Waste power plant in Rheinland-Pfalz, Germany. Approximate location 49.6552, 8.3659.

WasteRheinland-PfalzGermanyCO₂ measured

Biomass Generator #12 is a 12 MW waste power plant in Rheinland-Pfalz, Germany. It is operated by Evonik Industries AG (Werk Worms). Based on its capacity (estimated), it can supply roughly 16k homes (estimated). It ranks #767 of 1,442 Germany power plants by installed capacity. Commissioned in 1990, it is around 36 years old — long-established. Its annual emissions of 129,283 t CO₂/yr (EU ETS verified (EUTL 2023)) are equivalent to about 30k cars driven for a year. In context, the national grid averages 330 gCO₂/kWh (59.1% low-carbon) (2025).

12Legacy source-record capacity
16,381homes powered (est.)
129,283t CO₂ / yr (EU ETS verified (EUTL 2023))
1990commissioned (~36 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1006091.

Data status

Known data

FacilityBiomass Generator #12 WRI
CountryGermany · Rheinland-Pfalz WRI
Coordinates49.6552, 8.3659 WRI
FuelWaste WRI
MW installed capacity12 MW WRI source record; scope not independently normalised
OwnerEvonik Industries AG (Werk Worms) WRI
Commissioned1990 WRI
CO₂ emissions129,283 t CO₂/yr measured · EU ETS verified (EUTL 2023)

Calculated from dataset

Capacity rank in country#767 of 1442 calculated
Fuel-specific rank in country#56 of 68 calculated
Capacity vs country/fuel peers0.53× · 22 MW median · 68 peers calculated
Homes-powered equivalent16,381 calculated
Climate10.6°C · HDD 2,778 derived from coordinates
Environmental severityC2 · 26/100 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.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 12 MW, Biomass Generator #12 is below the median waste plant in Germany (22 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.

129,283 t CO₂/yr — in everyday terms

This facility's annual emissions are roughly equivalent to:

30kpassenger cars driven for a year
17khomes' yearly energy use
2.2 milliontree seedlings grown 10 years to absorb it

Equivalencies via US EPA Greenhouse Gas Equivalencies; emissions per EU ETS verified (EUTL 2023) (measured for US EPA/EU ETS, modelled for Climate TRACE).

Capacity vs largest waste plants in Germany

ZMS Schwandorf power station: 76 MW76ZMS Schwan…MHKW Frankfurt: 72 MW72MHKW Frank…GMVA Niederrhein: 62 MW62GMVA Niede…MHKW Rothensee: 58 MW58MHKW Rothe…Müllkraftwerk Schwandorf: 54 MW54Müllkraftw…DT: 54 MW54DTRMVA Köln: 45 MW45RMVA KölnHKW Mannheim: 45 MW45HKW Mannhe…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Evonik Industries AG (Werk Worms).

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 49.7°N — which shapes how much energy it can produce and how its output varies through the year.

10.6°Cannual mean temp
2,778heating degree-days (base 18°C)
108cooling degree-days (base 18°C)
93 melevation

Monthly mean temperature

J: 2 °CJF: 3 °CFM: 7 °CMA: 10 °CAM: 15 °CMJ: 18 °CJJ: 20 °CJA: 20 °CAS: 16 °CSO: 10 °CON: 5 °CND: 3 °CD20 °C

Heating degree-days here run 13% 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: 57/100 — this site sits in the mid 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
26/100environmental-severity index
18.0°Cseasonal temperature swing
382 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 #56 largest waste power plant of 68 in Germany by capacity.

Germany has 68 waste power plants in this dataset, together about 1,698 MW of capacity.

Nearby power plants

Location

Coordinates 49.6552, 8.3659 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Biomass Generator #12?

Biomass Generator #12 is a 12 MW source-record waste power plant in Rheinland-Pfalz, Germany, commissioned in 1990.

How many homes can Biomass Generator #12 power?

Its output is enough to supply roughly 16,381 homes (estimated).

Who operates Biomass Generator #12?

Biomass Generator #12 is operated by Evonik Industries AG (Werk Worms).

How much CO₂ does Biomass Generator #12 emit?

Biomass Generator #12 has measured emissions of about 129,283 tonnes of CO₂ per year (EU ETS verified (EUTL 2023)).

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