Tucson Electric Power (TEP) provides safe, reliable and increasingly sustainable electric service to approximately 425,000 customers in Southern Arizona. The company is on track to surpass its own ambitious renewable energy goals by expanding use of wind and solar power. TEP is a local leader in community service, volunteerism and economic development efforts, with energy efficiency programs that help customers to better manage their energy costs. It is with great pride that we spotlight TEP programs and services.