The power to save more than just money. Gexa Energy is committed to keeping our great state of Texas clean for generations to come. That's why all of our residential plans are now powered by 100% renewable energy at no additional cost to customers. Gexa Energy, LP is one of the fastest growing retail electricity providers in the U.S. Headquartered in Houston; we have served residential and commercial customers in Texas since 2002. As part of NextEra Energy Resources, the world's largest generator of wind and solar energy, Gexa Energy is committed to providing green energy plans to customers and supporting the development of renewable energy resources.