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S.GIACOMO

Hydro power plant in Abruzzo, Italy. Approximate location 42.785, 13.5111.

HydroAbruzzoItaly

S.GIACOMO is a 490 MW hydro power station in Abruzzo, Italy. Based on reported annual generation of 424 GWh, it can supply roughly 121,142 homes. It ranks #54 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).

490MW installed capacity
424GWh reported / yr
121,142homes powered

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002944.

Capacity vs largest hydro plants in Italy

ENTRACQUE_CHRO: 1,064 MW1kENTRACQUE_…PRESENZANO: 1,005 MW1kPRESENZANORONCOVALGRANDE: 1,000 MW1kRONCOVALGR…EDOLO: 950 MW950EDOLOGROSIO: 655 MW655GROSIOS.FIORANO: 544 MW544S.FIORANOANAPO C.LE: 500 MW500ANAPO C.LES.GIACOMO: 490 MW490S.GIACOMO

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 temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 42.8°N — which shapes how much energy it can produce and how its output varies through the year.

10.6°Cannual mean temp
2,797heating degree-days (base 18°C)
106cooling degree-days (base 18°C)
808 melevation

Monthly mean temperature

J: 3 °CJF: 3 °CFM: 5 °CMA: 8 °CAM: 13 °CMJ: 17 °CJJ: 20 °CJA: 20 °CAS: 16 °CSO: 12 °CON: 7 °CND: 4 °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 #8 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 42.785, 13.5111 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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