Generac Holdings Inc.
A maker of backup power systems and home energy technology, Generac builds the home standby generators that keep households lit during outages, plus the PWRcell battery storage, ecobee smart thermostats, and large generators for data centers and industry. It started in 1959 when Robert Kern launched a small operation in a barn in Wales, Wisconsin, and its name blends "generating" and "AC" (alternating current), once even styled as "GenerAC." The company is one of the largest makers of home standby generators in the United States.
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