Toronto Hydro is warning its customers about fraudulent telephone calls from people posing to be from the collection and billing department.

Some customers have complained saying the caller threatens to have the electricity disconnected if they do not “immediately provide payment in the form of a debit card or wire transfer.”

The utility said the calls are being made from a 1-800 number and that customers should not give out any personal information, including their account number.

Toronto Hydro stresses it “does not ask for a pre-paid credit card payment or wire transfer in overdue account situations, nor does its customer care department have a 1-800 number.”

The utility is urging customers to report any suspicious phone calls to the Canadian Anti-Fraud Centre at 1-888-495-8501 and quote file number 844396.