Pittsburgh International’s microgrid, heading for summer completion, is said to be the first to power an entire airport

California and Massachusetts are preparing to spend millions to support microgrid projects as the micro­grids—energy systems that can run separately from the wider grid system to protect critical facilities from power outages—are gaining steam nationally and worldwide.

A consortium of government agencies and private utilities unveiled a $17.6-billion plan.

New Jersey Transit is moving forward to implement the nation’s first microgrid tailored specifically to support public rail-infrastructure operations in case of a commercial power-grid disruption.