Off-grid solar now cheapest power for nearly 400 million people, report finds
World Bank-backed study estimates $11.4 billion is needed by 2030 as the number of people using off-grid solar products rises 26% in two years
Off-grid solar has become the cheapest electricity solution for at least 398 million people still living without power, according to a joint report by the World Bank's Energy Sector Management Assistance Program and the off-grid solar industry association GOGLA, which estimates that bringing reliable electricity to those people will require $11.4 billion in investment between 2027 and 2030.