A woman uses a solar light from M-Kopa. Image: Georgina Goodwin/M-Kopa Africa is extraordinarily rich in energy power potential. According to McKinsey and Company’s 2015 Brighter Africa report, the continent has 10 terawatts or more of potential capacity for renewable energy. If sub-Saharan Africa pushes renewables, it could result in 27 percent decrease in carbon emissions worldwide. But sub-Saharan Africa is in an energy crisis. Two out of three Africans lack access to electricity — that’s 621…