Joseph Edward lives in a Tanzanian village with his wife and four kids. He works as a picky-driver, farmer, and trader. Until now, he had bought kerosene for lights and charged his phone in the village shop. He has been waiting for a utility connection for years. The document discusses Mobisol's efforts to provide affordable solar home systems to increase energy access and availability through monitoring and control using IoT technologies. Their goal is to impact 30,000 households by combining big and little data in a user-centric culture.