The generator makes electricity with about the temperature of a cup of coffee . Alaskan electricity goes from diesel to geothermal , making $ 625 K in 3 years . `` Chena Hot Springs is home to the lowest-temperature geothermal resource to be used for commercial power production in the world , '' Karl said . He invented portable geothermal generator that he says can power 250 homes . MIT : Most of Alaska can be transformed into a huge geothermal power plant .
The generator makes electricity with about the temperature of a cup of coffee . Alaskan electricity goes from diesel to geothermal , making $ 625 K in 3 years . He invented portable geothermal generator that he says can power 250 homes . MIT : Most of Alaska can be transformed into a huge geothermal power plant .