CPS Energy is the nation’s largest municipally owned energy utility providing both natural gas and electric service. It serves more than 741,000 electric customers and 331,000 natural gas customers in Bexar County and portions of Atascosa, Bandera, Comal, Guadalupe, Kendall, Medina, and Wilson counties .
In early 2009, CPS Energy planned to replace its existing electric and gas meters with Advanced Metering Infrastructure (AMI) technology over the next five years through a three-phase project [2, 3].
CPS Energy announced the kickoff of its grid modernization effort, commonly known as smart grid, with partners Silver Spring Networks and Landis + Gyr in 2013. Upgrades to the company's infrastructure was expected to begin in December 2013. The completed system would facilitate wireless two-way communication between CPS Energy and its customers, allowing for increased energy efficiency and offer greater customer control and savings .