The story
1917 – San Antonio Public Service Company formed; consolidation of San Antonio Traction Company and San Antonio Gas and Electric Company, owned by American Light and Traction
1942 – City purchases SAPSCo for $34 million It became known as City Public Service.
2005 – City Public Service (or simply CPS) officially rebrands to CPS Energy.
2010 – J.K. Spruce 2, a coal-fired power plant, begins operation
2012 – Acquires Rio Nogales, a combined-cycle natural gas plant in Seguin
2017 – CPS Energy celebrated 75 years of being owned by the City of San Antonio.
2018 – CPS Energy decommissioned J.T. Deely #1 and #2 Coal fired power plants in late December, ending 42 years of service.
From Wikipedia’s article on CPS Energy, shared under CC BY-SA 4.0.4