Rider L relates to the balancing of ATCO Gas' distribution system. A rider related to this can require a recovery of costs from customers or can result in a refund to customers from time to time, based on the rules established by the Alberta Utilities Commission.
The Interim Rider S rate collects or refunds from customers the costs associated with recent regulatory decisions from the Alberta Utilities Commission.
The Transmission Service Charge collects from customers the costs for transmission service to its distribution system. The Alberta Utilities Commission has approved implementation of the charge to recover costs associated with transmission service.
The Weather Deferral Account was created to account for the effect of temperature fluctuations on billings to customers. Rider W is applied because the actual natural gas delivery revenue was lower (higher) than the normal natural gas delivery revenue, due to warmer (colder) than expected temperatures.
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