NEW YORK (Standard&Poor's) June 7, 2013--Standard&Poor's Ratings Services has assigned its 'AA-' rating to the City of San Antonio, Texas' electric and gas systems junior-lien revenue bonds, series 2013. At the same time, Standard&Poor's affirmed its 'AA' rating on senior-lien parity debt, its 'AA-' rating on the systems' junior-lien bonds outstanding, and its 'A-1+' commercial paper rating on the utility. The outlook is stable. As of Jan. 31, 2013, the electric and gas utility had $5.2 billion of debt. "The ratings reflect what we view as several strengths of San Antonio's electric and gas utility," said Standard&Poor's credit analyst Judith Waite. We believe the utility, known as CPS Energy, exhibits the following