World Power Plants

Gargnano hydroelectric power station137.2 MW Hydroelectric

HydroRenewableVerified: Mar 2026

Gargnano stands out as the 165th largest power generation facility in Italy, contributing 137.2 MW to the national grid. This hydroelectric power plant is significant not only for its capacity but also for its strategic location amid a cluster of energy facilities that enhance regional energy security. With hydro power ranking 42nd out of 107 hydro plants in Italy, Gargnano plays a vital role in the local energy landscape, where it complements larger nearby plants such as S.Fiorano, which has a capacity of 544 MW, and Santa Massenza, generating 377 MW. These plants, primarily harnessing the powerful waterways of the region, form an energy cluster that collectively contributes to the hydroelectric sector's stability against Italy's dominant gas fuel profile. The technology employed at Gargnano is typical of hydroelectric facilities, utilizing the kinetic energy of flowing water to generate electricity. This renewable source is crucial in reducing dependency on fossil fuels and contributes to Italy’s commitment to sustainable energy practices. With its 0.10% share of the national capacity, Gargnano may seem modest, but it serves an important function within the regional grid, providing clean energy and supporting peak demand periods. The surrounding energy context is worth noting, as Gargnano is located near several other facilities that help balance Italy's energy mix. For instance, the nearby CTE del Mincio and Ponti sul Mincio, both gas-fired plants, illustrate the dual reliance on hydro and gas in this area. The hydro plants like Gargnano utilize the region's natural water resources, while the gas plants underscore the ongoing transition as Italy seeks to balance renewable energy growth with existing fossil fuel infrastructure. Italy's energy profile reveals a total of 542 plants with a combined capacity of 131,053 MW, where gas remains the dominant fuel type. This context highlights the significance of hydro plants like Gargnano, which provide essential renewable energy capabilities within a predominantly fossil fuel-driven landscape. As the country moves toward more sustainable energy sources, facilities such as Gargnano will be integral in achieving these goals, helping to reduce carbon emissions while ensuring energy reliability. Operated by a local authority, Gargnano has been part of Italy's energy infrastructure for years, yet its contributions remain vital as the country navigates through its energy transition. With a focus on environmental sustainability and energy independence, the importance of Gargnano will likely increase as Italy aims to expand its renewable energy portfolio in the coming years. The facility not only exemplifies the potential of hydroelectric power but also reinforces the necessity of integrating renewable sources into the broader energy mix.

Capacity
137.2 MW
Commissioning Year
1959

67 years old

Owner
Enel Green Power
Location
45.6891°, 10.6609°

Italy, Europe

Context & rankings
  • 166. largest of 542 plants in Italy
  • #8,799 worldwide by installed capacity
  • #1,882 of 8,493 Hydroelectric plants worldwide
  • 0.1% of the installed capacity of Italy
Age & fleet comparison

67 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Enel Green Power operates 360 plants totalling 23,281 MW

Regional density

63 plants within 100 km, 17,545 MW combined

Nearest plant: Gargnano hydroelectric power station (2.6 km)

Data provenance

Source: TERNA

Location

Coordinates:: 45.689100, 10.660900
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Carbon Footprint

Zero Direct Emissions

Gargnano hydroelectric power station is a hydro power plant producing approximately 481 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Italy
Continent
Europe
Data Source
Global Power Plant Database

ItalyEnergy Profile

542
Total Plants
131.1 GW
Total Capacity
GasHydroCoalOil
Top Fuels

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