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CONSTITUCIÓN

Hydro power plant in Rio Negro, Uruguay. Approximate location -33.056, -57.4524.

HydroRio NegroUruguay

CONSTITUCIÓN is a 333 MW hydro power station in Rio Negro, Uruguay. Based on its capacity (estimated), it can supply roughly 333,380 homes (estimated). It ranks #2 of 73 Uruguay power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 27.2% of Uruguay's electricity; the national grid averages 80 gCO₂/kWh (97.8% low-carbon) (2025).

333MW installed capacity
333,380homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id URY0000830.

Capacity vs largest hydro plants in Uruguay

SALTO GRANDE: 945 MW945SALTO GRAN…CONSTITUCIÓN: 333 MW333CONSTITUCI…DR. GABRIEL TERRA: 152 MW152DR. GABRIE…RINCÓN DE BAYGORRIA: 108 MW108RINCÓN DE …

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

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. 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.

17.9°Cannual mean temp
776heating degree-days (base 18°C)
740cooling degree-days (base 18°C)
46 melevation

Monthly mean temperature

J: 25 °CJF: 24 °CFM: 22 °CMA: 18 °CAM: 15 °CMJ: 12 °CJJ: 11 °CJA: 13 °CAS: 14 °CSO: 18 °CON: 20 °CND: 23 °CD25 °C

Heating degree-days here run 68% 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: 24/100 — this site sits in the bottom 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 #2 largest hydro power plant of 4 in Uruguay by capacity.

Uruguay has 4 hydro power plants in this dataset, together about 1,538 MW of capacity.

Nearby power plants

Location

Coordinates -33.056, -57.4524 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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