PETITION - tantransco

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9.2 Details of Fixed Cost for Control Period This section discusses the approach employed to compute the fixed cost for the transmission system for the control period which is based on the audited accounts for the FY 2010-11, provisional accounts for FY 2011-12, estimates for FY 2012-13 & ARR for FY 2013-14. The Annual Revenue Requirement for the control period is projected based on methodologies discussed in detail in subsequent paragraphs. Projection of Operational Performance 9.2.1 Transmission Losses TANTRANSCO has a projected gradual increase in efficiency and reduction in transmission loss in past. TANTRANSCO takes central power into account after the calculation of inter-state transmission losses for the total quantum injected into the Tamil Nadu Grid and other input within the State for calculation of intra-state transmission loss calculation. The actual loss in the Intra-State transmission system is 4.71% for FY 2010-11 and provisional is expected to be around 4.25% in FY 2011-12. The proposed transmission losses also factor the fact that the current load is present on the southern side, whereas the generation is predominantly on the other part of the States. As this situation is expected to continue in the future, the transmission loss being a function of the quantum of power, direction of power flow in the network and the inherent technical loss present in the wire network, for the next five year period of FY 2013-14 to FY 2015- 16, the proposed loss will be 4.25%. TANTRANSCO humbly requests the Hon’ble Commission to approve the Intra-State Transmission loss as 4.25% for the control period. 9.2.2 System Availability and incentive As per the clause 58(b) of the Tariff Regulations, overall normative system availability for recovery of full transmission Charges is 98%. Since the past system availability is more than 99%, TANTRANSCO proposed to maintain the system availability of 99.54% for the MYT control period FY 2013-14 to FY 2015-16 which is equivalent to FY 2011-12. Accordingly TANTRANSCO has claimed incentive as per clause 16 of MYT Regulations which is @ 1% of equity for each percentage point of increase in annual availability and calculated as follows: Incentive = Equity * (Annual Availability achieved – Target availability) / 100. 9.2.3 Loading of Transmission system TANTRANSCO is expecting additional loading of MW from central, state and private generating station which will make the total loading on TANTRANSCO system as given below: Page 43
Table 56: Transmission loading for control period Particulars FY 2013-14 FY 2014-15 FY 2015-16 Sources of Power Projections of Loading of Transmission System (MW) State Generating Station Coal 4,332 4,332 4,936 Gas 491 491 491 Hydro 2,283 2,283 2,283 Wind 17 17 17 Total State Generating Station 7,123 7,123 7,727 Central Generating Station 5,012 5,475 5,475 IPP's 1,106 1,106 1,106 Non-Conventional Energy Sources 8,743 8,743 8,743 Other sources - - - Total Loading 21,984 22,447 23,051 9.2.4 Proposed Capital Expenditure for FY 2013-14 to FY 2015-16 For improving the transmission network availability and to strengthen the overall transmission network, TANTRANSCO proposes massive Capital Expenditure in construction of new transmission lines and substation along with augmentation and R&M work. The detailed breakup of proposed capital expenditure during the control period FY 2013-14 to 2015-16 has been indicated below: Table 57: Capital Expenditure proposed for Control Period Rs . Crores Sr. No Particula rs FY 2013-14 FY 2014-15 FY 2015-16 I New Projects 400 kV Sub Stations 578 1,311 309 230 kV Sub Stations 539 493 277 110 kV Sub Stations 208 140 140 - - - 400 kV Lines 693 2,027 507 230 kV Lines 472 730 231 110 kV Lines 213 176 154 - - - II Im provem ent of SS/lines - - - SS 66 64 64 LINES - - - 400 kV Lines 1,373 409 530 230 kV Lines 110 101 43 110 kV Lines 174 76 150 HTLS - 185 - - - - III Enhancem net / Additional Power Transform ers 100 100 100 Total Capital Expenditure 4,525 5,812 2,505 Page 44
Page 1 and 2: TAMIL NADU TRANSMISSION CORPORATION
Page 3 and 4: 6.9 OTHER DEBITS AND PRIOR PERIOD I
Page 5 and 6: Table 53: Incentive for FY 2013-14
Page 7 and 8: Sr. No Abbreviations Descriptions 3
Page 9 and 10: asis and assigned to the services o
Page 11 and 12: 2. OVERALL APPROACH FOR PRESENT FIL
Page 13 and 14: 3. FINAL TRUE UP FOR FY 2010-11 3.1
Page 15 and 16: Table 3: R&M Expense for FY 2010-11
Page 17 and 18: 3.5.2 TANTRANSCO would like to subm
Page 19 and 20: 3.6.7 Based on the foregoing paragr
Page 21 and 22: 4. PROVISIONAL TRUE UP FOR FY 2011-
Page 23 and 24: Table 15: O&M Expenditure for FY 20
Page 25 and 26: 4.5.3 TANTRANSCO would like to subm
Page 27 and 28: 4.7 Other Income 4.7.1 Other Income
Page 29 and 30: 5. CAPITAL EXPENDITURE FOR FY 2010-
Page 31 and 32: 6. ANNUAL PERFORMANCE REVIEW - FY 2
Page 33 and 34: 6.3.4 Thus, the Employee Expense of
Page 35 and 36: 6.4 GFA and Depreciation 6.4.1 The
Page 37 and 38: 6.7.2 The Hon’ble Commission in i
Page 39 and 40: Table 40: Annual Transmission Charg
Page 41 and 42: 7.2.2 The Employee Expense of TANTR
Page 43 and 44: 7.3.4 The depreciation charge propo
Page 45 and 46: 7.6.2 Further, the Tariff Regulatio
Page 47 and 48: 7.11.2 The petition is filed under
Page 49: 9. TRANSMISSION CHARGES FOR CONTROL
Page 53 and 54: • To maintain % voltage regulatio
Page 55 and 56: 9.2.5 Operation and Maintenance exp
Page 57 and 58: B. Administration & General Expense
Page 59 and 60: 9.2.7.5 The funding for new capital
Page 61 and 62: 9.2.11.3 The Hon’ble Commission i
Page 63 and 64: 10. METHODOLOGY FOR RECOVERY OF NET
Page 65 and 66: 10.4 Loading of the Transmission Sy
Page 67 and 68: 10.5.7 As per Comprehensive Tariff
Page 69 and 70: 11. DIRECTIVES OF THE HON’BLE COM
Page 71: Page 64

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