UPM

Biomass power plant in Rio Negro, Uruguay. Approximate location -33.1148, -58.2567.

BiomassRio NegroUruguay

UPM is a 161 MW biomass power station in Rio Negro, Uruguay. Based on its capacity (estimated), it can supply roughly 222k homes (estimated). It ranks #6 of 73 Uruguay power plants by installed capacity. In context, biomass supplies about 24.9% of Uruguay's electricity; the national grid averages 80 gCO₂/kWh (97.8% low-carbon) (2025).

161Source-backed capacity
221,628homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id URY0000836.

Data status

Known data

FacilityUPM WRI
CountryUruguay · Rio Negro WRI
Coordinates-33.1148, -58.2567 WRI
FuelBiomass WRI
MW installed capacity161 MW WRI source record; scope not independently normalised

Calculated from dataset

Capacity rank in country#6 of 73 calculated
Fuel-specific rank in country#2 of 10 calculated
Capacity vs country/fuel peers13.42× · 12 MW median · 10 peers calculated
Homes-powered equivalent221,628 calculated
Climate17.6°C · HDD 860 derived from coordinates
Environmental severityC3 · 32/100 derived from coordinates

Not available

OwnerNot available not in dataset
CommissionedNot available not in dataset
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 161 MW, UPM is well above the median biomass plant in Uruguay (12 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.

Capacity vs largest biomass plants in Uruguay

MONTES DEL PLATA: 180 MW180MONTES DEL…UPM: 161 MW161UPMGALOFER: 14 MW14GALOFERBIOENER: 12 MW12BIOENERWEYERHAEUSER: 12 MW12WEYERHAEUS…ALUR: 10 MW10ALURFENIROL: 10 MW10FENIROLPONLAR: 8 MW8PONLAR

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 humid subtropical climate (Köppen Cfa) — Southern Hemisphere, latitude 33.1°S — which shapes how much energy it can produce and how its output varies through the year.

17.6°Cannual mean temp
860heating degree-days (base 18°C)
688cooling degree-days (base 18°C)
24 melevation

Monthly mean temperature

J: 25 °CJF: 23 °CFM: 22 °CMA: 18 °CAM: 14 °CMJ: 11 °CJJ: 11 °CJA: 12 °CAS: 14 °CSO: 17 °CON: 20 °CND: 23 °CD25 °C

Heating degree-days here run 65% 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: 25/100 — 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
32/100environmental-severity index
13.8°Cseasonal temperature swing
228 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 #2 largest biomass power plant of 10 in Uruguay by capacity.

Uruguay has 10 biomass power plants in this dataset, together about 413 MW of capacity.

Nearby power plants

Location

Coordinates -33.1148, -58.2567 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is UPM?

UPM is a 161 MW source-record biomass power plant in Rio Negro, Uruguay.

How many homes can UPM power?

Its output is enough to supply roughly 221,628 homes (estimated).

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