Geothermal Power

Geothermal power markets have been relatively slow in recent years, increasing at an average annual rate of just over 2% between 2006 and 2011. More than 135 MW came on line during 2011, with most of this in Iceland, and the rest in Nicaragua and the United States. Geothermal electricity generation was an estimated 69 TWh in 2011, and global capacity reached approximately 11.2 GW by year’s end.

Geothermal power plants are operating in at least 24 countries, with the vast majority of global capacity located in the United States, the Philippines, Indonesia, Mexico, Italy, Iceland, New Zealand, and Japan. Iceland produced about 26% of its electricity with geothermal energy in 2010, and the Philippines generated approximately 18% of its total. Kenya, with about 200 MW of capacity in operation, leads Africa for geothermal electric capacity.

Deployment is expected to accelerate as markets broaden across Africa, Latin America, and elsewhere, and as advanced technologies enable devel­opment of geothermal power in new locations.

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