Find ways to store the electricity generated from solar, wind and other renewables, and these technologies may cease to be ‘intermittent’ sources of power – a game-changer that is expected to transform Africa’s electricity supply industry in the next decade or two. “Storage will make a lot of difference to the shape of the grid,” observed Gravitricity managing director and co-founder Charlie Blair, predicting that networks will emerge “without big spines and instead more of a nodal system”.