An Aged Electric Grid Looks To A Brighter Future

Xcel Energy and GridPoint are installing batteries the size of a small refrigerator in customers' homes in Boulder, Colo. The devices can store excess wind or solar energy, and then release it later when the customer or the utility needs it.
Xcel Energy and GridPoint are installing batteries the size of a small refrigerator in customers' homes in Boulder, Colo. The devices can store excess wind or solar energy, and then release it later when the customer or the utility needs it.