The Mystic Lake Hydroelectric Project, located 75 miles southwest of Billings on West Rosebud Creek, went online in March 1925.

City officials are preparing for the state Department of Environmental Conservation to inspect its hydroelectric plant next week to determine whether the facility is in federal compliance. In March, ...

DTE and Consumers Energy allege a contractor botched a more than $500 million upgrade to the Ludington Pumped Storage Plant.

Statkraft said it will build the "next-generation" hydropower system, and plans to start five major upgrades by 2030.

Paraguay plans to build 22 small hydroelectric power plants on internal rivers, with an estimated private investment of US$ 1.4 billion, explained Vice Minister of Mines and Energy Mauricio ...