1. Target Corporation (147.5 MW)
Target’s goal is to increase its number of buildings with rooftop solar panels to 500 by 2020. The retailer currently has 300 buildings equipped with panels.
2. Walmart (145 MW)
In 2005, Walmart’s chief executive officer at the time, Lee Scott, said, “Climate change used to be controversial, but the science is in and it is overwhelming. Every company has a responsibility to reduce greenhouse gas emissions as quickly as possible.”
3. Prologis (107.8 MW)
Prologis — an owner, operator and developer of industrial real estate — has put in more solar capacity than 27 different U.S. states.
4. Apple (93.9 MW)
A former administrator of the Environmental Protection Agency (EPA), Lisa Jackson, is now the Apple executive overseeing environmental policy, social initiatives and worldwide government affairs.
5. Costco Wholesale (50.7 MW)
The solar array on Costco Wholesale’s warehouse in Lake Elsinore, Calif., covers 45,000 square feet, which will prevent 458 tons of carbon from going into the atmosphere every year. The developers have compared this to planting 112 acres of trees.