A 407-MW hydroelectric electric project in California operated by Pacific Gas & Electric (PG&E) experienced an unplanned outage on March 7, according to the Department of Energy (DOE).
PG&E’s Helms Unit 1 hydro project experienced an unplanned shutdown on March 7, DOE said in a daily update.
GenerationHub data lists Helms as having three pumped storage hydro facilities that each has a generating capacity of roughly 400 MW. The facilities are located at Shaver Lake, which is in Fresno County. Each of the units was commissioned around 1984.