Bills for service will be based on meter readings or estimated usage and computed in accordance with applicable rate schedules on file with the commission. When a customer is eligible to take service under more than one rate, the utility shall advise the customer in the selection of rate or rates which in its judgment result in the lowest cost of projected consumption, based on 12 months' service and on the information at hand. Each utility shall, at the time of any change in the applicable rate schedule, deliver to each customer the schedule of rates applicable to the customer's type of service.
17 SR 1279
October 9, 2008