An energy-efficient heating and cooling alternative, the geothermal heat pump system moves heat from the ground to a building (or from a building to the ground) through a series of flexible pipe "loops" containing water. This edition of Energy 101 explores the benefits Geothermal and the science behind how it all comes together.
The renovations include the installation of four geothermal heating wells, a rooftop covered with vegetation, solar panels and permeable pavers to allow stormwater through to the soil below.
Few start-ups are founded by retirement-aged scientists – and even fewer have Google.org backing. That's the unique position of Potter Drilling, a start-up founded in 2004 by a pioneering now-90-year-old and his son.
Since 1960, steam from the 45 square mile field spanning Lake and Sonoma counties has been extracted to drive turbines and generate baseload renewable electricity. Fifty years later, Houston-based Calpine Corporation operates 15 geothermal plants at The Geysers.



