Geek Your Rate: This website finds you the lowest-priced electric provider and plan in your area based on your last 12 months of usage (You have to type it in from your bills). You pay a one-time fee of $9.95 to access the rates and the website's algorithms to find your best plan for a 48-hour time period. You can also try it for free to see how it works, but the data Geek Your Rate gives in the free trial are 6 months old. More info
That means that customers in Houston paid an average of $5,500 more for electricity over a 14-year time span beginning in 2002, according to the group that buys electricity on behalf of municipal governments in Texas. The calculation, which uses data from the U.S. Energy Information Administration, assumes monthly electricity use of 1,300 kilowatt hours.

On the other hand, month-to-month variable rate (no-contract) plans don’t have cancellation fees. You won’t be penalized if you find a better deal elsewhere and want to make another switch.  And, you won’t be stuck paying more than you should be if the market rate for electricity trends down.  But, if it goes up, you’ll be paying more than your in-contract neighbors, and you’ll likely want to shop around again for a better deal.