Standard&Poor's Ratings Services raised its ratings on Austin, Texas' prior first-lien combined utility system revenue bonds one notch to 'A+' from 'A', separate-lien electric utility system revenue bonds one notch to 'A' from 'A-', and prior subordinate-lien combined utility system revenue bonds one notch to 'A' from 'A-' based on the utility's demonstrated trend of strong financial performance and risk management while reducing the system's relative indebtedness and managing a large capital plan. The outlook is stable. In addition, the ratings reflect the system's: Diversified generation resource mix comprised of coal and efficient nuclear power for base load, limiting its exposure to volatile market prices; Competitive rate structure, which includes a fuel adjustment mechanism that is adjusted annually
