Since 1923, the City of Garland has been providing electric service to its citizens through Garland Power & Light (GP&L), its ... locally owned not-for-profit municipal utility. With more than 69,000 customers, GP&L is the fourth largest municipal utility in Texas and the 42nd largest in the nation. GP&L is recognized nationally as a Reliable Public Power Provider (RP3®) and as a Tree Line USA Utility. read more