Section 37(1)(b) in Central Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2014
(b)In case of storage and pondage type plants with head variation between full reservoir level and minimum draw down level is more than 8% and when plant availability is not affected by silt, the month wise peaking capability as provided by the project authorities in the DPR (approved by CEA or the State Government) shall form basis of fixation of NAPAF.