Ryan Musikant, Fieldfisher, in conversation with Nicholas Wrigley, Chairman, CEO and Founder of Winch Energy to discuss the solar-hybrid mini grid sector in Africa, including how mini-grids work, how they are typically financed, the social, environmental and economic benefits, development challenges and sector outlook.erview with Nicholas Wrigley, Chairman, CEO and Founder of Winch Energy to discuss the solar-hybrid mini grid sector in Africa, including how mini-grids work, how they are typically financed, the social, environmental and economic benefits, development challenges and sector outlook.