Pakistan Power Electric Company (Pepco) has fixed separate rates for day and night, report said on Thursday. According to a decision made by the Pepco 'Peak Hours', from 06:00 pm to 11:00pm, rates were fixed at Rs 11.77 per unit, while, 'Off Peak Hours', 11:00pm to 06:00pm, rates were fixed at Rs 07.18 per unit. According to the sources, new meters would be installed for the purpose at the consumer's cost. The decision has been taken to discourage the power demand, according to Pepco.