Section 45

The price to be charged by the Board and to be paid to the Board for all energy supplied to the public lamps, and the mode in which these charges are to be ascertained, if not specified in the contract, and the cost of so much of the construction of any electric line from the distributing mains of the Board shall be settled by agreement between the public or local authority and the Board and, in case of difference, shall be determined by arbitration, regard being had to the circumstances of the case and the distributing or other mains (if any) which may have to be laid for the purpose, and the prices charged to ordinary consumers in the district.