(a) A meter record for all utility meters shall be retained for the life of the meter and shall indicate for each meter owned or used by a utility the identifying number, name of manufacturer, type, capacity, date of purchase or other acquisition, installation date, its current location and all results of meter tests. - (i) All required meter tests shall be properly referenced to the meter record. The record of each test made shall show:
- (A) The identifying number and constants of the meter (the standard meter and other measuring devices used);
- (B) The date and kind of test made;
- (C) The reason for the test;
- (D) The reading of the meter before the test;
- (E) The error or percent accuracy at each tested load; and
- (F) The test results and sufficient data to permit calculation verification.
(b) Utilities shall retain for at least three years the names and addresses of all customers with the identifying number of related meter(s).
(c) Each electric utility shall retain these records: - (i) The daily record of the load and a monthly record of the output of its plants. For stations not having operators in continuous attendance, only monthly records are required. Each utility purchasing electrical energy shall provide to the Commission, upon request, information as to the monthly purchases, including demand where measured. For stations having operators in continuous attendance, regular readings of all station instruments and meters shall be made and recorded in such detail as to indicate the character of service being rendered. These records shall be retained for a minimum of three years;
- (ii) Maps and records showing the location, voltage and conductor size of transmission and primary distribution facilities, substations and switching facilities. These records shall be retained for the life of the facility.
(d) Each natural gas utility shall retain: - (i) Monthly record of the heating value (Btu) of gas provided to customers in the Wyoming jurisdiction. These records shall be retained for a minimum of three years;
- (ii) Records of delivery pressure to:
- (A) Distribution systems served by more than one district regulator or plant; or
- (B) Distribution systems served by a single district regulator station or plant where the operator demonstrates a need for recording of pressures. These records shall bear the date and show the place where the pressure reading was taken and be retained for a minimum of three years.
- (iii) Maps or other records showing the size, pipe material and location of each main, regulator, valve and customer service. These records shall be retained for the life of the facility.
023-3 Wyo. Code R. § 3-14