As more people in Maine and New England buy heat pumps and electric vehicles, power grid operator ISO New England expects electricity use in the region to grow by about 9 percent over the next decade, according to a report released on May 1.

As more people in Maine and New England buy heat pumps and electric vehicles, power grid operator ISO New England expects electricity use in the region to grow by about 9 percent…

The grid operator’s first 10-year forecast to incorporate small, customer-sited energy storage systems finds considerable uncertainty about their role on a changing grid.