2022 and beyond

Geothermal energy usage and production continue to grow, and EnhancedGEO plans to implement enhanced geothermal techniques to help power the movement towards clean, renewable energy around the world.

2020

The U.S., Indonesia, Philippines, Turkey, New Zealand, and Mexico have 72% of global installed geothermal power capacity.

1977

The energy crisis of the 1970s hastens the government’s role in the energy field, and in 1977, the U.S. Department of Energy is formed.

1972

The Geothermal Resources Council, now known as Geothermal Rising, forms an association for the international geothermal community.

1960

Pacific Gas and Electric begins operation of the first large scale geothermal power plant, where the first turbine produces 11 megawatts of net power.

1922

John D. Grant develops the first geothermal power plant in the U.S., reaching a capacity of 250 kilowatts. But with low outputs and technical issues, the plant stops being used.

1904

Prince Piero Ginori Conti tests the first geothermal power generator, successfully lighting four lightbulbs. He continues on to invent the first geothermal power plant at the Larderello dry stream field.

1892

Boise, Idaho uses direct geothermal energy to pipe hot water from nearby hot springs into town buildings, marking the first district heating system.

1830

The first known commercial use of geothermal energy, when Asa Thompson charges one dollar each for the use of three spring-fed baths in a wooden tub in Hot Springs, Arkansas. 

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