No utility company shall change the method of supply, supply more energy than that required by existing approved facilities, or alter the means or type of energy supplied to any installation in, on or about any building without first giving written notice to the chief building official of such change of supply or service, which notice shall specify the location and address of the installation affected; provided that notice need not be given of any such change of supply or service which has been expressly approved and authorized by the chief building official. (Ord. 2011-026 § 2)