NEW YORK (Standard&Poor's) Nov. 19, 2002-- Standard&Poor's Ratings Services said today that it assigned its 'A' rating to integrated energy company Duke Energy Corp.'s $400 million senior notes due 2012. Combined with a recent issuance of $110 million senior notes due 2007, the proceeds will be applied to reduce commercial paper by $300 million. Charlotte, N.C.-based Duke Energy Corp. had $22.9 billion in consolidated debt outstanding as of Sept. 30, 2002. The ratings for Duke Energy Corp. reflect a consolidated credit assessment of its regulated U.S. electric utility operation, Duke Power Co., as well as nonregulated operations of its wholly owned subsidiary, Duke Capital Corp. Duke Capital owns and operates gas pipelines in the U.S. and