PIANCASTAGNAIO 4 is a 20 MW geothermal power plant in Italy, commissioned in 1991. It is operated by Enel Green Power and contributes to the geothermal energy output in the region. Ranked #9 of 34 geothermal plants in Italy, PIANCASTAGNAIO 4 represents 2.05% of Italy's total geothermal capacity of 977 MW. The largest geothermal plant in Italy is Centrale di Valle Secolo at 120 MW, making PIANCASTAGNAIO 4 6 times smaller. Nearby plants include MdC III+IV (44 MW, Solar), BAGNORE 4 (39 MW, Geothermal), and PIANCASTAGNAIO 3 (20 MW, Geothermal). The facility is located in Tuscany, approximately 30 km northeast of Siena.
35 years old
Italy, Europe
- Primary Fuel Type
- Geothermal
- Energy Source
- Renewable
- Country
Italy- Continent
- Europe
- Data Source
- Global Power Plant Database
Geothermal power generation harnesses the Earth's internal heat to produce electricity. This renewable energy source exploits the thermal energy stored beneath the Earth's crust, which can be accessed through geothermal power plants. These plants typically utilize steam or hot water from geothermal reservoirs to drive turbines that generate electricity. The process begins by drilling wells into geothermal reservoirs, often located in tectonically active regions, where the temperature gradient is favorable for energy extraction. The steam or hot water extracted is then channeled to turbines, converting thermal energy into mechanical energy, which is subsequently transformed into electrical energy by generators.
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