The Devil’s Valley

Using the heat from the Earth’s interior to generate electricity is known as the creation of geothermal power, and in the examples featuring 2000-metre boreholes, it’s correctly believed to be a fairly recent development. In some places however, the energy from the hot parts of the Earth’s inner layers can be harvested with little more than a spade. The area around Larderello1 in Tuscany‘s Cecina valley has an abundance of hot wells (lagoni) and natural steam fountains (sofioni), where the escaping steam leaves the ground under very high pressure at temperatures of over 200°C; making it ideal for…

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