A. Except as provided in §B of this regulation, this subtitle applies to all electric, gas, and combination electric and gas utilities.
B. This subtitle does not apply:
(1) To a municipal electric or gas utility;
(2) To a combination municipal electric and gas utility;
(3) To an electric or gas utility that supplies electric or gas service to less than 1,000 meters in the State;
(4) To a gas utility that distributes only propane gas; or
(5) During an emergency.