Section 4(21) in The Delhi Electricity Regulatory Commission (Terms and Conditions for Determination of Wheeling Tariff and Retail Supply Tariff) Regulations, 2011
(21)The true up across various controllable and uncontrollable parameters shall be conducted as per principle stated below:(a)Variation in revenue / expenditure on account of uncontrollable sales / power purchase respectively shall be trued up every year;(b)For controllable parameters,(i)Any surplus or deficit on account of Operation and Maintenance (O&M) expenses shall be to the account of the Licensee and shall not be trued up in ARR; and(ii)Depreciation and Return on Capital Employed shall be trued up every year based on the actual capital expenditure and actual capitalisation vis-à-vis capital investment plan (capital expenditure and capitalisation) approved by the Commission.
