65-407-320 Me. Code R. § 11

Current through 2024-25, June 19, 2024

Section 407-320-11 - METERING REQUIREMENTS, STANDARDS, AND TESTING PROTOCOLS

A.General

All T&D Service provided by a T&D Utility shall be measured by Meters owned and maintained by the utility, except where it is impracticable to do so.

Each T&D Utility shall keep a complete set of records of its Meters by Customer account, including the meter type, unique meter identification code, and date of installation. The records should include all Meter repairs and upgrades, including all physical, hardware, software, or firmware repairs, modifications, upgrades, and updates, as well as all notifications or other relevant information provided by the Meter Manufacturers that could potentially affect meter registration.

B.Performance and Accuracy Standards

Each T&D Utility shall ensure that its Meters comply with the performance criteria and other applicable standards set forth in ANSI C12.1 (American National Standard for Electric Meters - Code for Electricity Metering).

1.Testing Protocols and Processes

Each T&D Utility shall conform to the testing protocols and processes set forth in ANSI C12.1 for new and in-service metering devices.

2.Testing Upon Customer Request

a. Each T&D Utility shall test the accuracy of a Customer's Meter upon request of the Customer. The test shall be done at no charge to the Customer, provided that the Customer has not requested such a test within the past 12 months or the Meter has not otherwise been tested within the past 12 months.

b. If a Customer requests a Meter test within 12 months of the date of the most recent test of its Meter, the T&D Utility may charge the Customer for the reasonable cost of the test. The charge shall be refunded or credited to the Customer if the Meter does not meet the Performance and Accuracy Standards of this Rule.

c. A Customer may be present when the T&D Utility conducts the requested test of its Meter or, the Customer may send another person as its representative. The T&D Utility shall provide a written report to the Customer that provides the results of the Meter test and shall retain a copy of the report for a period of no less than five years.

C.Audits Performed by the T&D Utility

The results of any audits evaluating the accuracy or performance of a T&D utility's billing or metering systems, performed by or for the T&D utility, shall be provided to the Commission within 60 days of the completion of the audit.

65-407 C.M.R. ch. 320, § 11