/ Thesaurus / P Synonyms of power grid Find synonyms for: Noun1. power system, power grid, grid, facility, installationusage: a system of high tension cables by which electrical power is distributed throughout a regionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language