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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site utility-interactive A power system which interacts with the utility grid (mains), taking power from the grid to satisfy its loads as necessary, and returning power to the grid when not required by the loads. Related categories    • ELECTRICITY GENERATION AND SUPPLY Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP