1. (a) No utility shall install or provide electric service to a master meter where individual metering is required by either the state building code adopted by RSA 155-A:1, IV, in particular, the state adopted edition of the International Building Code and the International Energy Conservation Code, or by local amendments adopted pursuant to RSA 155-A:3 or local ordinances, unless:

   1. (1) Individual meter sockets have been installed either by the utility or its customer;
   2. (2) Any charge for electricity sold is measured using a utility revenue grade meter and billed by the utility; and

   3. (3) The utility’s tariff requires:

      1. a. Electricity to be used on the premises to which it is delivered; and
      2. b. Prohibits the utility’s customer from selling, assigning, or otherwise directly or indirectly disposing of the electricity delivered to the master meter to others except through its inclusion in a fixed rent.

2. (b) A utility may install or provide electric service to a master meter where individual metering is not required by the state building code adopted by RSA 155-A:1, IV, in particular, the state adopted edition of the International Building Code and the International Energy Conservation Code, only when:

   1. (1) Local amendments or regulations adopted by ordinance pursuant to RSA 155-A:3 do not prohibit master metering;
   2. (2) Any installation of individual meters by the property owner are not used for billing for electricity use; and

   3. (3) The utility’s tariff requires:

      1. a. Electricity to be used on the premises to which it is delivered; and

      2. b. Prohibits the utility’s customer from selling, assigning, or otherwise directly or indirectly disposing of the electricity delivered to the master meter to others except through:

         1. (i) Its inclusion in a fixed rent; or
         2. (ii) Through an unmetered sharing of expense arrangement where 2 or more businesses jointly utilize the same premises and service is rendered through a single service connection and meter.
3. (c) For the purposes of this part, the sale of electric vehicle charging services to a third party from an electric vehicle charging station shall not be considered the resale of electricity.

4. (d) The restrictions against installing or servicing a master meter in En 303.01(a) and (b) shall not apply where the master meter would have been permitted pursuant to a commission rule in effect at the time the master meter was installed, or master metering was permitted by a decision issued by the commission or department prior to January 1, 2025, and:

   1. (1) Building permits have been obtained and occupancy approvals are in effect for the subject building;
   2. (2) The design and use of the building has not changed since installation, if installed pursuant to a commission rule, or since issuance of a decision by the commission or department permitting the master meter; and
   3. (3) The utility’s customer remains in conformity with any conditions imposed by a decision of the commission or department.

5. (e) The utility shall require its customers to:

   1. (1) Certify their eligibility for master metering;
   2. (2) Provide documentation necessary to verify that the customer complies with En 303.01(a) or (b) before providing initial service to the customer; and
   3. (3) Certify their eligibility for master metering and whenever a material change occurs in building use, billing practice, or electrical design, or a change is made to a building code or zoning ordinance relating to metering occurs provide documentation necessary to verify that the customer continues to meet En 303.01(a) or (b) and is grandfathered with respect to any change in code or ordinance.
6. (f) Notwithstanding any other department rule to the contrary, the department shall not waive any of the provisions of this part.

Source. #14101, eff 10-22-24, EXPIRES: 10-22-34 (see Revision Note at chapter heading for En 300)