Electricity Act 1945

If any consumer neglects to pay to a supply authority any rent or the price of or any charge in respect of any service apparatus or electric fittings due and payable to the supply authority for the space of 14 days next after demand in writing for payment of the amount due shall have been served on the consumer, the supply authority may cut off the supply of electricity, and, until payment of the amount demanded together with any expenses incurred in connection with the collection or recovery of such amount may discontinue the supply of electricity to the consumer.