Hydroelectric plants

Varrone

The Varrone plant is situated in the Valsassina Valley, near Lecco in northern Italy. The peculiarity of the area is the high rainfall and the high quantity of snow until late in the Spring. It has 2 horizontal axis Francis turbines and can turn 5000 l/s producing an output of 1,5 Mw. A tunnel hosts …

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Secchione

The Secchione hydro plant is located in Chiesa in Valmalenco. It benefits from an altitude difference of 420 meters and comes from a basin surrounded by peaks and mountains over 3000 meters high. The generator consists of a horizontal axis Pelton turbine with an output of 1,8 Mw. The plant produces 4.500.000 Kwh.

Vaniga

The Vaniga hydro plant, situated in the Valvarrone valley, has an output capacity of 600 Kwh. The electricity is generated by 2 Pelton groups on vertical axis able to optimize the production of the plant due to high streamflow variability. With respect to environmental flow regimes, it can get up to a maximum flow of …

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Lambro Crescenzago

Lambro Milano Crescenzago is a low-head hydro plant with a flow rate of 15.000 litres per second after a 2,1 meter drop. Situated in the administrative territory of Lombardy’s capital and built upon a former irrigation channel, it offers a great peculiarity: three innovative screw turbines. Thanks to this plant we can produce clean energy …

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Ogliolo

The plant started producing energy in 2015. It is located in Valcamonica and uses the water flowing down from the Aprica Pass. The wide basin is able to ensure high flow rates. A 2.5 km long fiberglass penstock with a diameter of 1.8 m carries the water from the intake structure downstream to the powerhouse. …

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Alto Mallero

This is the first plant, which started producing energy in 1999. It consists of two Francis turbines and a Pelton turbine and has a fiberglass penstock . It is connected to the national grid via an underground power line. When at maximum capacity, the plant produces 4,5 Megawatt turning 6300 l/s on a 85 meter …

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Sasso Bisolo

The plant is situated in Valmasino (Sondrio) in Northern Italy. Its 10 Mw output capacity produces an impressive 24.000.000 Kwh/year. The plant has attracted great attention from both an electro-mechanical and architectural point of view. The water intake, at a height of 1400 mt above sea level, comes directly from glaciers, the highest of which …

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Bocco

Situated in Sondrio, the plant benefits from an altitude difference of 650 meters and although the quantity of water is limited, it produces an output of 8.000.000 Kwh/year and, at maximum capacity, the power produced is 3 Mw. The plant has a Pelton turbine with two horizontal-axis jets. The used waters are then reutilized via …

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Predarossa

The “Predarossa” plant in the area of Valmasino/Buglio in Monte in northern Italy has its water intake at 2000 mt above sea level, the highest among the plants of the Group. A wide basin, supplied by the Predarossa glacier, supplies a constant source of water which, after a 480 mt drop, produces an output of …

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Foraschetto

The Foraschetto power station, which started producing energy towards the end of 2003, was built above an existing hydroelectric plant. It has a 5-jet turbine which can handle even the smallest flow rates and when at full regime it has a power of 600 kw producing around 2.000.000 kwh/year. It is situated in Chiesa Valmalenco …

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