(a) The applicant shall provide:

1. (1) an estimate of the increased volumes of gas to be delivered by operation of the proposed pipeline;
2. (2) an estimate of the volumes of gas delivered to the markets to be generally served by the new pipeline during the three years immediately preceding the filing;
3. (3) total annual and peak day gas requirements by each classification of service listed in paragraph (4) of this subdivision;

4. (4) information about total past and expected future curtailment of service by the applicant for each of the following classifications of service:

   1. (i) residential;
   2. (ii) commercial;
   3. (iii) firm industrial;
   4. (iv) interruptible industrial;
   5. (v) residential space heating;
   6. (vi) commercial space heating; and
   7. (vii) other types of customers; and

5. (5) the basic factors used in estimated future requirements and the need for the new facilities, including:

   1. (i) peak-day and annual degree-day deficiencies; and
   2. (ii) peak-day and annual consumption factors for each class of consumers, with supporting historical data for each major operating district.