The US hydro sector remains among the largest in the world, with about 100GW of installed capacity. But its grip on the US renewables industry is waning fast.
As recently as its 2012 annual report, the National Hydropower Association claimed that conventional hydro accounted for two-thirds of the country’s renewables generation. By its 2013 annual report, the claim had been watered down to “a majority” of US renewables generation.
But
