Power and Energy State Minister Palitha Range Bandara said the complaints could be made on the hotline: 0115 243 243 or on telephone numbers : 0115 455 130, 0115 455 251 or 0115 455 254.
The public can also fax their complaints to 01156 455 431 or 0115 455 411, the state minister added.
He further said the fuel stations and distributors could also use these numbers to inform the Unit about any problems they might face on fuel stocks or fuel prices.