“People think hydropower is a Grand Coulee Dam—big. But little is valuable too, especially in New England where heating oil is expensive and falling water is cheap. A lot of tide and streams get wasted now. And you wouldn’t believe the number of little hydroplants on town dams that have been abandoned in the last thirty years. If we developed only ten percent of the small existing dams in the country, we could save a couple hundred million barrels of oil a year.
