Off Grid Electric, Tanzania Mobile money powers solar expansion in rural East Africa ,East Africa is emerging as a hotbed of creative solutions to meeting the energy needs of the poor. Mobile money – where customers pay with their mobile phones – is increasingly used as a method of payment.Off Grid Electric is a leader in Tanzania, using mobile money to sell solar power as a daily service at an affordable price. But service doesn’t just mean the power itself. It also means exceptional customer service, including an all-day customer care telephone line and ongoing support from a local agent.With more than 10,000 households taking up the service since April 2012, as fast as systems are manufactured they are off to customers – thanks to a sophisticated app-based customer registration and product tracking system.