E-CL's operating and financial performance in recent quarters has been in line with our expectations. We are affirming our 'BBB-' ratings on the company. The stable outlook incorporates our expectations that the company will continue to develop strong investment plans without material financial pressures, given its long-term energy sale contracts with creditworthy partners and a favorable debt maturity profile. BUENOS AIRES (Standard&Poor's) Aug. 30, 2011--Standard&Poor's Ratings Services affirmed its ratings on Chile-based power generator E-CL S.A. (formerly Empresa Electrica del Norte Grande S.A.), including its 'BBB-' issuer credit rating. The outlook is stable. The ratings on E-CL reflect the consolidation of the company's business risk profile following the merger of several power generation, transmission, and natural