Solar Cheaper Than Diesel Making India’s Mittal Believer

Solar Cheaper Than Diesel Making India’s Mittal Believer

Dhiraj Singh/Bloomberg

Mittal’s Bharti Airtel Ltd., India’s largest mobile-phone operator, and Jain Irrigation Systems Ltd., the world’s biggest mango-puree producer and supplier to Coca-Cola, are among companies swapping diesel generators for photovoltaic modules.