GreenGen Mokelumne Water Battery Project Update

GreenGen Mokelumne Water Battery Project Update

The GreenGen Mokelumne Water Battery Project is a hydropower project with a long history, beginning back in 2008 with the original proposal by PG&E. This “pumped storage” system would pump water from Salt Springs Reservoir into Upper or Lower Bear Reservoir at...

Taum Sauk P-2277

The Taum Sauk Pumped Storage Project received a FERC license in July 2014. The authorized capacity of the project is 442.5 MW. The Taum Sauk Project consists of a 54.5-acre upper reservoir located on Proffit Mountain and a 363-acre lower reservoir. The upper reservoir...
GreenGen pumped storage holds virtual open house

GreenGen pumped storage holds virtual open house

As we’ve discussed in the previous newsletter, a private company called GreenGen Storage LLC is proposing to build a pumped-storage hydroelectric project on the Mokelumne River. It would use existing PG&E dams and reservoirs, and possibly expand some of them. The...