The Authority has addressed estimated billing by setting the regulations and Quality of Service standards with the minimum number of days or period within which one can continue to receive estimated billings but not exceeding three (3) months. The Authority’s Regulation on Performance Standards for Distribution Companies, is stipulated in Grid Code 2003. Section 12 Clause 12.1.1 of the Grid Code 2003 recommends three months or 90 days after which the distribution company must find every means possible to read the customer’s meter for actual consumed energy if the premises are metered.

If over charged as a result of an error by a licensee, the licensee shall rectify the anomaly at the next billing as stated under Section 12 Clause 12.5 of the Grid Code 2003.