Entergy Arkansas Inc., officials this week said that they expect overall residential customer electricity rates to decrease over 10 percent in 2010 even with a requested increase in base rates. However, an article in today’s Democrat-Gazette reports that customers could face future cost increases if a new cost-sharing agreement is reached with other Entergy Corp. subsidiaries.

“The reduction in electricity rates is the result of a combination of lower fuel costs in 2009 and a sizeable reduction in the amount collected in the line item on customer bills described as FERC-Imposed Pa...