Transmission lines carry power at high voltages across large distances. It’s what lets power generated on the west side of New Providence to efficiently reach homes on the east side of the island.

Distribution lines are smaller poles and wires that bring lower-voltage power to homes and businesses. ou may see a lot of these in your neighborhood. Sometimes, the distribution wires are buried underground, in which case the only thing you may see are ground-mounted utility boxes on street corners.

Substations are situated around the grid to serve important safety functions. They step down power before it enters neighborhoods and they are equipped to protect power quality from external disturbances.