Some North Texans are facing devastating sticker shock this summer as variable-rate electric plans skyrocket.

Some homeowners say the variable rates are like filling up your car only to find out that the price per gallon has jumped — and you have no choice but to pay.

Electric companies have every legal right to adjust the rates, but it also seems they’ll negotiate if you speak out. One customer’s rate was retroactively adjusted by more than $400 after NBC 5 investigated his bill.

Electric bills can look like a maze of line items with all sorts of bar graphs and fees. And many of those with variable-rate plans don’t look closely at the amount per kilowatt hour until it stings.

“It was shocking,” homeowner Ryan Walton said of his variable-rate bill from Dynowatt to cool his family of five in Arlington.

Read the full article at NBCDFW.com.