Despite a drop in revenue and a pullback in usage in the residential sector, Southern Co (SO -0.64%) was able to drive 6.8% growth in its bottom line. Assisted a bit by the industrial sector and lower maintenance expenses, Southern Co. avoided a disappointing showing in the face of more moderate temperatures compared to a feverish 2011. The company's CEO believes 2013 should be strong  -- the back-half specifically -- for operations and shareholders, as the company continues to focus on its revitalization of nuclear power. What does this mean for peers who are still in the reporting on-deck circle? Motley Fool analyst explains.