NEW YORK (Standard&Poor's) Oct. 27, 2009--Standard&Poor's Ratings Services has assigned its 'AA-' long-term rating to the City of San Antonio, Texas' electric and gas systems junior lien revenue bonds, series 2009 A and B. At the same time, Standard&Poor's affirmed its 'AA' rating on San Antonio's $3.9 billion senior lien electric and gas revenue and refunding bonds, its 'AA-/A-1+' ratings on the $402 million electric and gas systems junior lien revenue bonds, and its 'A-1+' rating on the tax-exempt commercial paper program. The outlook is stable. The commercial paper rating is linked to the long-term debt rating. CPS Energy, San Antonio's gas and electric utility, will have $782.44 million junior lien bonds outstanding after