Standard&Poor's Ratings Services assigned its 'AA' rating to San Antonio, Texas' electric and gas systems $289.5 million revenue bonds series 2008. Proceeds will be used to finance the capital investment program. At the same time, Standard&Poor's affirmed its 'AA' rating on San Antonio's $3 billion senior-lien electric and gas revenue and refunding bonds, its 'AA-/A-1+' rating on the city's $402 million electric and gas systems junior-lien revenue bonds, and its 'A-1+' rating on the city's tax-exempt commercial paper program. The commercial paper rating is linked to the long-term debt rating. The ratings reflect: A strong, growing economy; Very competitive electricity rates; Economic, diverse fuel generating capacity; Strong financial metrics; and Good management. However, San Antonio's electric