Standard&Poor's Ratings Services has assigned its 'AA' rating to the City of Colorado Springs, Colo.'s utilities system revenue bonds, series 2010A-1 and improvement revenue bonds, series 2010A-2, 2010B-1, and 2010B-2. The bonds will be fixed rate and are secured by a pledge of net revenues of Colorado Springs Utilities' electric, gas, water, wastewater, and streetlight systems. At the same time, Standard&Poor's affirmed its 'AA' long-term rating on the utilities' parity debt outstanding. The outlook is stable. After these issues, as well as the upcoming series 2010C bonds, debt outstanding will total about $2.3 billion. The utility will use proceeds of series 2010B1 and 2010B2 bonds to finance part of the costs of a major water delivery