The pain at the pumps is expected to get worse this week.
Dan McTeague, president of Canadians for Affordable Energy, believes gasoline may jump by at least 7 cents per litre.
Diesel could increase by 6 cents per litre.
The current maximum price for gasoline is $1.825 per litre while the maximum for diesel is $2.398 per litre.
The Energy and Utilities Board will make price adjustments at midnight.
