§ 72-a. Increased fuel costs. Every gas and electric corporation subject to the jurisdiction of the commission shall file with the commission, on a monthly basis, the following information regarding increased fuel costs: (a) what services are affected by the fuel increase; (b) base cost of the fuel; (c) name and address of supplier; (d) point of delivery of all fuel purchased; (e) present average cost of fuel to said corporation; (f) dates used to determine average; (g) amount per unit of consumption affected; and (h) amount of fuel in storage at the end of each monthly period. (i) and such other relevant information as the commission may require.