PIANCASTAGNAIO 3 is a 20 MW geothermal power plant in Italy, commissioned in 1990. It is operated by Enel Green Power and is part of the country's geothermal energy framework. Ranked #9 of 34 geothermal plants in Italy, PIANCASTAGNAIO 3 accounts for 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 3 6 times smaller. Nearby plants include MdC Octopus (57.4 MW, Solar), MdC III+IV (44 MW, Solar), and BAGNORE 4 (39 MW, Geothermal). The facility is located in Tuscany, approximately 30 km northeast of Siena.
36 years old
Italy, Europe
- 245. largest of 542 plants in Italy
- #19,003 worldwide by installed capacity
- #142 of 215 Geothermal plants worldwide
- 0.02% of the installed capacity of Italy
36 years in operation
Geothermal fleet average: 26.9 years
Enel Green Power operates 360 plants totalling 23,281 MW
74 plants within 100 km, 21,821 MW combined
Source: ENTSOE
Location
Zero Direct Emissions
PIANCASTAGNAIO 3 is a geothermal power plant producing approximately 140 GWh of clean electricity per year with zero direct CO₂ emissions during operation.
Lifecycle emissions: ~38 g CO₂/kWh (manufacturing, transport, decommissioning)
Technical Details
- Primary Fuel Type
- Geothermal
- Energy Source
- Renewable
- Country
Italy- Continent
- Europe
- Data Source
- Global Power Plant Database
Nearby Power Plants
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