(c) 2009 F. Bruce Abel
Herein lies the truth -- that those who do not switch pay the price. So once a town or village aggregates a lower price obtains. And Duke's other company, its sales arm, can come back in and meet the competitor. A lot of "going around the barn."
http://seekingalpha.com/article/153726-duke-energy-q2-2009-earnings-call-transcript?source=bnet&page=3