BUENOS AIRES (Standard&Poor's) Nov. 9, 2005--Standard&Poor's Ratings Services said today it raised its corporate credit and senior secured debt ratings on Chilean thermal power generator Empresa Eléctrica del Norte Grande S.A. (Edelnor) to 'B+' from 'B', mainly reflecting the improvement of its debt-service coverage ratios as a result of higher-than-expected cash generation combined with a prepayment of 12.1% of its US$217.6 million outstanding debt certificates in May 2005. The outlook is stable. "The 'B+' ratings on Edelnor reflect its operation in a very competitive market environment and its still weak financial profile, which mainly derives from its volatile cash flow and weak financial flexibility," said Standard&Poor's credit analyst Sergio Fuentes. These weaknesses are partly