Walmart Installs Over 500 Solar Arrays Across U.S. Stores Retail giant Walmart has installed more than 500 solar arrays across its U.S. stores, making it one of the largest corporate adopters of solar energy in the world. The initiative cuts emissions, lowers electricity costs, and turns massive retail rooftops into clean-energy assets—reshaping how big businesses power themselves. Important Details: • Over 500 solar arrays installed • Deployed across U.S. Walmart locations • One of the world’s