text: In 1911 , the world 's first geothermal power plant was built in the Valle del Diavolo ( `` Devil 's Valley '' ) , named for the boiling water that rises there .
simplified: In 1911 , the world 's first geothermal power plant was built in the Valle del Diavolo ( `` Devil 's Valley '' ) , named for the boiling water in the area .