Since the turn of the century, India has nearly doubled the share of its households that are connected to electricity, from 56 percent in 2000 to almost 100 percent today. In doing so, it has made one of the world’s largest contributions to reducing the global electricity deficit, from 1.4 billion people to 700 million. Now, Nigeria — currently among the countries with the largest unelectrified population globally — might be on the cusp of a similar energy transformation.