Nothing screams “relaxing summer holiday weekend” like news about increases in electricity rates for the winter of 2010, right? The AP is reporting that Pepco requested an increase in delivery rates from the D.C. Public Service Commission on Friday. The increase would likely mean a six percent increase in monthly electric bills for every electricity user living inside the District. Enjoy! Hey, at least if your electric bill suddenly shoots up by a few bucks every month come January, you’ll know why — unlike this past winter.