The Home Depot last week said that it will use power purchase agreements to lease rooftop space for 50 of its stores.
The company is working with Tesla and GE subsidiary Current on the project.
Store locations are in California, Connecticut, Maryland, New Jersey, New York and Washington, D.C.
According to Home Depot, the project will reduce grid electricity demand by about 35 percent annually at each Home Depot store.
The solar project is part of the company’s efforts to use 135 MW of alternative and renewable energy by 2020.
Home Depot also has invested in solar farms in Delaware and Massachusetts; fuel cells at about 170 stores; and wind farms in Texas and Mexico.