The Maryland-based giant acquires the Houston-based operator of geothermal plants in Sonoma and Lake counties. It’s said to be one of the largest power-generation deals in U.S. history.

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma and Lake counties. Since Thursday, at least 131 earthquakes have been ...

SMUD and Calpine have agreed to expand the current geothermal PPA from The Geysers in California from 100 MW to 150 MW, and ...

On Tuesday afternoon, a significant seismic event shook the Mayacamas Mountains in Lake County, California, registering a magnitude of 4.4 according to the U.S. Geological Survey (USGS). This ...

Geyser Hill in Yellowstone National Park Geyser Hill is a must for any Yellowstone visitor. It begins at Old Faithful and is a short boardwalk loop trail with over 50 of the 500 geysers in Yellowstone ...

Kinder Morgan is leading emergency operations at the site of a 100-foot saltwater geyser erupting from a well outside Toyah, where a new no-fly zone extends as high as 8,000 feet, according to an air ...