Geothermal power

(from Greek word's geo, meaning earth, and thermal meaning heat.) is energy generated by heat stored beneath the earth's surface or the collection of absorbed heat in the atmosphere and ocean. Prince Piero Ginori Conti tested the first geothermal generator on 4 July 1904, at the Larderello dry steam field in Italy. The largest group of geothermal power plants in the world is located in the Geysers,a geothermal field in California, as of 2007,geothermal power supplies less than 1% of the world's energy.

The Puhagan Geothermal Power Station
Negros Oriental, Philippines.

The Nesjavellir Geothermal Power Plant
Iceland

The Krafla Geothermal Station
Northeast Iceland