Moody's

New Nuclear Generation: Ratings Pressure Increasing

Of note:  analysis contains a detailed summary of credit downgrades associated with the last waves of nuclear reactor construction.

While nuclear power remains a thorny political and policy issue today, the concept of building new facilities has gradually reawakened in recent years, offering a buffer against foreign energy dependence, unpredictable commodity prices, and heavily polluting fuel sources. As a result, several of the largest U.S. power companies in recent years have announced plans to pursue new nuclear generation.