In its current form, the nation's electric grid largely doesn't store energy. The vast majority of electricity generated by fossil fuels, hydropower, and other sources flows into the grid and is ...

Demand for power is growing fast, but hydro plants, the oldest source of clean energy, are struggling because of droughts, floods and other extreme weather linked to climate change. Drought and age ...

Consumers Energy is asking Michigan's energy regulators for approval to sell its suite of 13 dams to a Maryland energy investment firm and to enter into an agreement with the company to purchase the ...

On Brazil’s third-largest river basin, deep in the Amazon, a massive hydroelectric power plant stands as a monument to the world’s oldest source of clean energy – and the big challenges it faces.