TORONTO (Standard&Poor's) Nov. 11, 2010--Standard&Poor's Ratings Services today assigned its 'A-' issue-level rating to Alberta-based AltaLink L.P.'s C$150 million medium-term notes due 2040. AltaLink will use the bulk of proceeds to repay commercial paper (CP) outstanding (not rated). The amount of CP outstanding as of Sept. 30, 2010, was C$124 million. The company had about C$1.16 billion of lease-adjusted debt outstanding at Sept. 30. "AltaLink's credit profile benefits from low-risk, electricity transmission assets; an attractive service area with favorable economic fundamentals; and the relatively supportive regulatory environment and market framework for transmission companies in the Province of Alberta," said Standard&Poor's credit analyst Nicole Martin. "We believe a financial risk profile pressured by capital funding