CPS Energy is the nation's largest municipally owned energy company providing both natural gas and electric service. Acquired by the City of San Antonio in 1942, the company serves approximately 690,000 electric customers and almost 320,000 natural gas customers in and around America's seventh-largest city. CPS Energy ranks among the nation's lowest-cost energy providers, owns the highest financial ratings of any electric system in the U. S., and stands number 1 in wind-energy capacity among municipally owned utilities across the country.
