(a) Where public utilities elect to file fuel statements in accordance with section 720-6.6 of this Subpart, such statements must contain:

1. (1) identification of the schedules and service classifications to which they apply;
2. (2) the base cost of fuel (separately, when more than one base is used in the schedule);
3. (3) the present average cost of fuel to the public utility;
4. (4) the point of delivery;
5. (5) the date at which and the period for which the average was determined;
6. (6) the amount per unit of consumption affected; and
7. (7) the date when the increase or decrease in rates shall become effective and the period during which it will remain in effect.

(b) The following definitions apply in connection with this section:

1. (1) The term cost of fuel is defined as the price, including all transportation charges to the point at which the public utility accepts delivery. Where more than one type of fuel is used, the cost of fuel shall be determined by converting all fuels to a common standard.
2. (2) The term base cost of fuel is defined as the cost of fuel per unit which is established as the basis in computing the fuel surcharge. It shall be clearly stated, together with the method of arriving at it, in connection with the filing of the fuel surcharge provision.
3. (3) The term average cost of fuel is defined as the total cost of fuel on hand at the beginning of the period, plus the cost of fuel received during the period, divided by the sum of the total quantity of fuel on hand at the beginning of the period and the total amount of fuel received during the period.