(1) as to an electricity distributor:(a) the name, firm name or corporate name of such distributor;
(b) in the case of a corporation, its then present capital stock, the various issues of securities made since the establishing of the undertaking, and the names of the directors;
(c) the assets, liabilities, revenues and expenses of such distributor for the year covered by the report;
(d) the annual output of electricity in kilowatt hours and the capacity of the generating plants of such distributor, and the quantity sold in the same period;
(e) the actual value of the physical assets of his undertaking and the total of the expenses enumerated in section 14;
(f) all the rates charged during the year covered by the report;
(g) any other information which the Board may demand.
(2) as to a gas distributor:(a) the name, firm name or corporate name of such distributor;
(b) in the case of a corporation, its capital stock, the various issues of securities made since the establishment of the undertaking or since the last report, and the names of the directors;
(c) its assets, liabilities, expenses and revenues for the year concerned in the report;
(d) the prices and rates charged during the said year;
(e) any other information which the Board may demand.