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RONCOVALGRANDE

Hydro power plant in Lombardy, Italy. Approximate location 46.0702, 8.7339.

HydroLombardyItaly

RONCOVALGRANDE is a 1,000 MW hydro power station in Lombardy, Italy. Based on reported annual generation of 845 GWh, it can supply roughly 241,400 homes. It ranks #21 of 441 Italy power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 15.8% of Italy's electricity; the national grid averages 285 gCO₂/kWh (48.8% low-carbon) (2025).

1,000MW installed capacity
845GWh reported / yr
241,400homes powered

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002936.

Reported generation trend

2015: 509 GWh20152016: 865 GWh20162017: 845 GWh2017865 GWh

Annual generation (GWh), 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 subarctic (boreal) climate (Köppen Dfc) — Northern Hemisphere, latitude 46.1°N — which shapes how much energy it can produce and how its output varies through the year.

10.7°Cannual mean temp
2,794heating degree-days (base 18°C)
130cooling degree-days (base 18°C)
487 melevation

Monthly mean temperature

J: 2 °CJF: 3 °CFM: 6 °CMA: 10 °CAM: 14 °CMJ: 18 °CJJ: 20 °CJA: 20 °CAS: 16 °CSO: 11 °CON: 6 °CND: 2 °CD20 °C

Heating degree-days here run 14% 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.

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 #3 largest hydro power plant of 58 in Italy by capacity.

Italy has 58 hydro power plants in this dataset, together about 13,384 MW of capacity.

Nearby power plants

Location

Coordinates 46.0702, 8.7339 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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