The utilities commission was criticized for being too ready to accommodate the company's merger timetable and rushing through its duty to ensure the deal was in the state's best interest.

The electricity giant and its regulator are expected to have multiple rate cases in the coming years as Duke Energy seeks to update its power generation portfolio in "an extended period of extremely large investments," Duke CEO Jim Rogers said last year.

___

Emery Dalesio can be reached at http://twitter.com/emerydalesio.

Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

If you liked this article you might like

What's Behind the Surge in Energy Stocks

Hillary Clinton Says Prosecuting Individuals is Key to Wall Street Reform