Puerto Rico's Solar Microgrids Beat Blackout
When power went out across all of Puerto Rico on 16 April, a lot of the lights in the town of Adjuntas stayed on. There, nestled in the mountains on the midwestern side of the island, a combination of experimental microgrids, solar panels, and storage kept power on for many businesses and residents. The rest of the island waited over 24 hours, and in some cases longer, for electricity to be restored. The blackout was the latest in a series of power interruptions that have come to define Puerto