Ryan Walton may be the canary in the coal mine when it comes to residential electric bills skyrocketing because of the heat wave.

The Arlington man is on a variable-rate plan with Dynowatt, an Ohio company. In June, he paid 9.8 cents per kilowatt-hour. In July, his variable rate jumped to 10.6 cents. But this month, the rate vaulted to 18.3 cents.

His most recent electric bill was for $1,111.

Read more: http://www.star-telegram.com/2011/08/18/3300018/case-shows-downside-of-variable.html#ixzz1Vrv8ffe6