Where it is produced

Tuscany and the northern part of the Lazio region are well-known for their production of geothermal energy and host the largest geothermal plants in Italy (and Europe), near Piancastagnaio, at the foot of the Amiata mountain, and in Civitavecchia.
The biggest plant is “The Geysers” plant, located 140 km in the north of San Francisco in California (USA), with a total power of 725 megawatts.
Near Orbetello an important aquaculture centre was created: seawater is mixed with water at a temperature between 17°C and 25°C to create the optimum environment to breed sea-bass and pandoras.
Among the direct uses of heat, the most meaningful example at European level is the urban heating system in Ferrara. It is a district heating system that supplies 14,000 flats with hot water at 102°C, coming from a location at 4 km from the city, from a well at 1,300 metres of depth that was originally drilled for oil search. By extracting 250 cubic metres of water, 12,000 tons of oil are saved each year. The water is then re-injected underground.
As well as saving fossil fuel, district heating reduces air pollution, bringing many benefits to urban centres.
In the Euganean Hills area (Abano Terme, Montegrotto, etc.) and to a lesser extent in Bormio, near the border to Switzerland, hot water is exploited for spas and household heating.
According to a recent study it was calculated that with the “vapour dominant” geothermal systems that are present in Tuscany and Lazio it would be possible to produce more than 5 billion kW per hour, a quantity that would satisfy the national demand for 70 years, while the use of “water dominant” geothermal systems would lead to a huge production of electric power, which is impossible to estimate.

Special reports

From the Multimedia section

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    Geothermal power plant

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    Energy of Earth

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    Geyser in Yellowstone Park

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    Spas

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    Japanese macaques

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    Temperature and depth

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    Installed power of geothermal plants in Italy

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    Diagram of a geothermal power plant

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    energy

    Geothermal energy production in Italy

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  • energy

    Geothermal power plant

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    energy

    Energy of Earth

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  • energy

    Geyser in Yellowstone Park

    Look

    energy

    Spas

    Look
  • energy

    Japanese macaques

    Look

    energy

    Temperature and depth

    Look
  • energy

    Geothermal power plant

    Look
  • energy

    Energy of Earth

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  • energy

    Geyser in Yellowstone Park

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Facts

  • 16 May 2011

    An artificial geyser

    Electric and thermal power produced from geothermal energy depend on the existence of underground infiltrations...

    A hydrogen house

    In Settimo, a municipality close to Turin, the first Unité d’Abitation has been created...

  • Porto Marghera Hydrogen Park

    In Porto Marghera (Venice), the Hydrogen Park was created. It is the biggest centre in the world for hydrogen production...

    Hydrogen from the sugar cane

    The Centro di Ricerca Interuniversitario per lo Sviluppo Sostenibile (CIRPS) carried out a study in Peru...

  • 14 June 2011

    Some curiosities about methane hydrates

    The melting of the ice cells, not only brings about the release of methane gas, but it also produces another…

    16 May 2011

    The “wave-swallowing” dragon

    Wave Dragon, that swallows waves and generates electricity is a plant...

  • An artificial geyser

    Electric and thermal power produced from geothermal energy depend on the existence of underground infiltrations...

  • A hydrogen house

    In Settimo, a municipality close to Turin, the first Unité d’Abitation has been created...

  • Porto Marghera Hydrogen Park

    In Porto Marghera (Venice), the Hydrogen Park was created. It is the biggest centre in the world for hydrogen production...