Chapter 7

Dry-Steam Power Plants


Dry-steam plants were the first type of geothermal power plants to achieve commercial status. Their history goes back 100 years to 1904 when Prince Piero Ginori Conti built and operated a tiny steam engine using the natural steam jets that issued from the ground at Larderello in the Tuscany region of Italy. Since the geofluid consisted solely of steam, it was fairly easy to hook up a mechanical device to take advantage of the available energy. Although the Prince’s engine only generated enough electrical power to illuminate five light bulbs in his factory, it was the springboard for larger plants.


Larderello; dry-steam reservoir conceptual model; gathering systems; dry-steam energy conversion system; ...

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