Iraq’s solar villages show how to build an energy transition that lasts

For years, the day in Kulak ended when the generator powered down. Like thousands of villages across Iraq, this small farming community in the semi-autonomous Kurdistan region lived to the faltering rhythm of an erratic power supply: a few hours of electricity, then the water pumps stopped, refrigerators warmed and children put down their books.

Today, Kulak runs on the sun. Solar panels harness...