Power Grid Corporation Of India Ltd. v. Karnataka Power Transmission Corporation Limited

1. The petition has been preferred by Power Grid Corporation of India Limited (hereinafter referred to as “the petitioner”), a transmission licensee, for revision of tariff under Regulation 6 of the Central Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2009 (hereinafter referred to as “the 2009 Tariff Regulations”) based on truing up of capital expenditure for the period 1.4.2009 to 31.3.2014 and for determination of tariff under Central Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2014 (hereinafter referred to as “the 2014 Tariff Regulations”) for the period from 1.4.2014 to 31.3.2019 in respect of for (a) 50 MVAR Reactor at Narendra Sub-station, (b) Narendra - Davanagere 400 kV DIC TL and 50 MVAR Bus Reactor at Mysore, (c) LILO of Kolar-Sriperambudur 400 kV S/C line along with one 50 MVAR Reactor at Kalivanthapattu (hereinafter referred as “the transmission asset I”), (d) 2 315 MVA Auto Transformer at Hiriyur Sub-station (hereinafter referred as “the transmission asset II”), (e) 1 315 MVA Auto Transformer at Kalivanthapattu Sub-station and (f) 2 315 MVA Auto Transformer at Kalivanthapattu Sub-station (hereinafter referred as “the transmission asset III”) along with associated bays and Equipments under “Transmission System associated with Kaiga-3 & 4 (2 &Times; 235 MW) Project” in Southern Region.

2. The respondents are distribution licensees and transmission licensees. The distribution licensees are procuring transmission service from the petitioner, mainly beneficiaries of Southern Region.

3. The brief facts of the case are as follows:—

a) Investment approval of the transmission scheme was accorded by Govt. of India vide letter dated 29.03.2005 at an estimated cost of Rs. 58825.00 lakh, including IDC of Rs. 3072.00 lakh. Subsequently, the approval for revised cost estimate was accorded by the Board of Directors of the petitioner company vide its memorandum dated 29.12.2008 at an estimated cost of Rs. 100716.00 lakh including IDC of Rs. 9503 lakh

b) The date of commercial operation for the transmission asset I is 1.6.2008, for the transmission asset II is 1.4.2008 and for the transmission asset III is 1.7.2008 The Commission, vide its order dated 14.2.2011 in Petition No. 241/2010, had approved the following capital cost and debt:equity for each of the assets as on 31.3.2009 as under:—

Particulars Asset-I Admitted as on 31.3.2009 (Rs. in lakh) Percentage (%) Asset-II Admitted as on 31.3.2009 (Rs. in lakh) Percentage (%) Asset-III Admitted as on 31.3.2009 (Rs. in lakh) Percentage (%) Debt 19109.56 70.00 1739.12 70.00 2852.56 70.00 Equity 8188.61 30.00 745.33 30.00 1222.45 30.00 Capital Cost 27298.17 100.00 2484.45 100.00 4075.01 100.00

c) The petitioner had approached to the Commission vide Petition No. 241/2010 for approval of estimated additional capital expenditure towards balance/retention payments during 2009-10, 2010-11 and 2011-12 for all the assets and determination of tariff for 2009-14 tariff period.

d) The Commission, vide order dated 14.2.2011, had allowed an additional capital expenditure of Rs. 612.28 lakh for 2009-10, Rs. 25.00 lakh for 2010-11 and Rs. 25.00 lakh for 2011-12 for the transmission asset-I, Rs. 29.38 lakh for 2009-10 and Rs. 45.66 lakh for 2010-11 for the transmission asset-II, Rs. 48.13 lakh for 2009-10 and Rs. 80.27 lakh for 2010-11 for the transmission asset-III. The Commission determined the tariff for all the transmission asset for tariff period 2009-14 as on 31.3.2009 and estimated additional capital expenditure for tariff period 2009-14 as given below:—

Transmission Asset-I

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Depreciation 1432.21 1448.10 1449.42 1450.08 1450.08 Interest on Loan 1656.39 1543.45 1411.46 1277.39 1142.53 Return on Equity 1447.51 1464.22 1465.53 1466.18 1466.18 Interest on Working Capital 124.00 124.02 123.10 122.22 121.39 O & M Expenses 588.96 622.70 658.34 695.98 735.70 Total 5249.08 5202.49 5107.86 5011.85 4915.89

Transmission Asset-II

(‘in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Depreciation 131.01 133.00 134.20 134.20 134.20 Interest on Loan 148.65 138.87 128.02 115.55 103.07 Return on Equity 131.06 133.03 134.23 134.23 134.23 Interest on Working Capital 16.69 17.03 17.35 17.60 17.89 O & M Expenses 162.44 171.74 181.57 191.94 202.92 Total 589.86 593.67 595.37 593.52 592.31

Transmission Asset-III

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Depreciation 216.25 219.64 221.76 221.76 221.76 Interest on Loan 249.32 233.00 214.90 194.02 173.17 Return on Equity 214.96 218.32 220.43 220.43 220.43 Interest on Working Capital 30.43 31.17 31.86 32.46 33.13 O & M Expenses 324.88 343.48 363.14 383.88 405.84 Total 1035.85 1045.61 1052.09 1052.56 1054.33

4. Regulation 6 of the 2009 Tariff Regulations provides that the Commission shall carry out truing up exercise along with the tariff petition filed for the next tariff period, with respect to the capital expenditure including additional capital expenditure incurred up to 31.3.2014, as admitted by the Commission after prudence check at the time of truing up. Further, as per Regulation 15 of the 2009 Tariff Regulations, the petitioner is required to adjust the yearly impact of MAT rate in the truing up petition for 2009-14 tariff period. In this context, the petitioner has filed the instant petition on 30.10.2014, for revision of tariff for the tariff period 2009-14 in accordance with Regulation 6 of the 2009 Tariff Regulations.

5. The petitioner has served the petition to the respondents and notice of this application has been published in the newspaper in accordance with Section 64 of the Electricity Act, 2003. No comments/objections have been received from the public in response to the notice in newspaper. Having heard the representatives of the petitioner and perused the material on record, we proceed to dispose of the petition.

6. TANGEDCO, Respondent No. 4, filed its reply vide affidavit dated 8.5.2015

(a) The respondent submitted as follows:—

“(i) The associated transmission system of Kaiga-II power project covered in the instant petition was approved in the 16th meeting of the Standing Committee for Power Systems Planning in Southern Region (SCPSP SR)

(ii) Subsequently, in the 28 meeting of the standing Committee for Power System Planning, the following modifications has been approved:

“Extending the 400kV D/c of the original Vallur TPS transmission system from LILO point to Melakottaiyur (Kalivanthapattu) by suitably utilizing part of the LILO of Kolar-Sriperumbudur 400kV S/C line at Melakottaiyur (Kalivanthapattu). The Kolar-Sriperumbudur 400kV line shall be restored as direct lines”

(iii) The Vallur - Kalivanthapattu 400kV DC line was declared under commercial operation with effect from 01.04.2013 Also, the Kolar-Sriperumbudur 400kV line was restored.

(iv) In this connection, the Hon'ble Commission has approved the provisional tariff for Vallur-Kalivanthapattu 400 kV DC line vide its order dated 18.03.2013 in the petition No. 48.TT/2013.

(v) Further, in the 32 meeting of Standing Committee for Power Systme Planing, LILO of Kolar - Sriperumbudur 400 kV S/c line at Thiruvalam 400 kV SS was approved under system strengthening. The Kolar-Thiruvalam and Sriperumbudur-Thiruvalam 400 kV S/c lines were declared under Commercial Operation with effect from 01.04.2014 The Hon'ble Commission has approved the transmission tariff vide order dated 19.6.2014 in the Petition No. TT/102/2014.”

(b) TANGEDCO has further submitted that the petitioner's claim is erroneous and the petition is not maintainable as the petitioner has claimed tariff for an asset which does not exist due to the modification.

(c) TANGEDCO further requested to direct the petitioner to furnish the details of modifications actually made to the instant lines and the actual expenditure incurred on account of the modification, in a fresh petition.

6. The petitioner vide its rejoinder dated 31.12.2015 has clarified that the Kolar-Sripermubudur 400 kV transmission line was implemented under Talcher Stage-II transmission system. There is no modification to the instant scheme. The petitioner has further submitted that in the instant project Kolar-Sriperumbudur 400 kV S/C transmission line has been LILOed at Kalivanthapattu Sub-station. Further, Vallur TPS has been connected to Melakottaiyar by connecting it to the LILO portion of Kolar-Sriperumbudur at Melakottiyar. The Kolar-Sriperumbudur line has been LILOed at Thiruvalam by connecting it to the portion of Vallur - Melakottaiyur line. The petitioner has further clarified that only the LILO portions are claimed in the respective petitions, keeping the original scheme of Kolar-Sriperumbudur line under Talcher Stage-II. The petitioner has also submitted a schematic diagram of Kaiga 3 & 4 Transmission System and Vallur TPS.

7. TANGEDCO raised the issue during the hearing held on 2.12.2015 The petitioner was directed to submit the Original Line diagram of the scheme and the modified line diagram of the scheme in order to identify the transmission line as pointed by the respondent. The petitioner has submitted vide affidavit dated 31.12.2015 that there is no modification to the instant scheme from the original scheme. The petitioner has also submitted a schematic diagram of Kaiga 3 & 4 Transmission System and Vallur TPS. We have considered the submissions made by the petitioner and TANGEDCO. We are of the view that there is no change to the instant scheme. Accordingly, tariff of the assets covered in the instant petition is allowed.

TRUING UP OF ANNUAL FIXED CHARGES FOR 2009-14 TARIFF PERIOD:—

8. Clause (3) of the Regulation 6 of the 2009 Tariff Regulations provides as under:—

“(3) The generating company or the transmission licensee, as the case may be, shall submit for the purpose of truing up, details of capital expenditure and additional capital expenditure incurred for the period from 1.4.2009 to 31.3.2014, duly audited and certified by the auditors”.

9. The petitioner has submitted the information as required under the 2009 Tariff Regulations for truing up of annual fixed charges for 2009-14 tariff period. The tariff for 2009-14 tariff period has been trued up in the subsequent paragraphs.

Capital Cost

10. The petitioner has claimed admitted capital cost of Rs. 27298.17 lakh, Rs. 2484.45 lakh and Rs. 4075.01 lakh as on 31.3.2009 for Asset-I, Asset-II and Asset-III respectively, for the purpose of tariff determination. The last proviso to Regulation 7(2) of the 2009 Tariff Regulations provides that:—

“Provided also that in case of the existing projects, the capital cost admitted by the Commission prior to 1.4.2009 duly trued up by excluding un-discharged liability, if any, as on 1.4.2009 and the additional capital expenditure projected to be incurred for the respective year of the tariff period 2009-14, as may be admitted by the Commission, shall form the basis for determination of tariff”.

11. The admitted capital cost as on 31.3.2009 has been considered as opening capital cost as on 1.4.2009 for truing up tariff in accordance with Regulation 7 of the 2009 Tariff Regulations.

Additional Capital Expenditure

12. Clause (1) of Regulation 6 of the 2009 Regulations provides that:—

“The Commission shall carry out truing up exercise along with the tariff petition filed for the next tariff period, with respect to the capital expenditure including additional capital expenditure incurred up to 31.3.2014…”

13. The petitioner has submitted that it has incurred some additional capital expenditure 2009-10, 2010-11 and 2011-12 for all the transmission assets towards balance and retention payments as certified by its Auditor vide certificate dated 17.10.2014 as depicted below:—

Transmission Asset-I

(Rs. in lakh)

Capital cost admitted as on 31.3.2009 Additional capital expenditure 2009-10 2010-11 2011-12 2012-13 2013-14 Total cost as on 31.3.2014 27298.17 Approved vide order dated 14.2.2011 612.28 25.00 25.00 0.00 0.00 27960.45 27298.17 Actual incurred during 2009-14 627.58 35.82 0.00 0.00 0.00 27961.57

Transmission Asset-II

(Rs. in lakh)

Capital cost admitted as on 31.3.2009 Additional capital expenditure 2009-10 2010-11 2011-12 2012-13 2013-14 Total cost as on 31.3.2014 2484.45 Approved vide order dated 14.2.2011 29.38 45.66 0.00 0.00 0.00 2559.49 2484.45 Actual incurred during 2009-14 30.28 0.00 12.89 0.00 0.00 2527.62

Transmission Asset-III

(Rs. in lakh)

Capital cost admitted as on 31.3.2009 Additional capital expenditure 2009-10 2010-11 2011-12 2012-13 2013-14 Total cost as on 31.3.2014 4075.01 Approved vide order dated 14.2.2011 48.13 80.27 0.00 0.00 0.00 4203.41 4075.01 Actual incurred during 2009-14 0.00 0.00 86.86 0.00 0.00 4161.87

14. The petitioner, vide rejoinder dated 2.12.2015, has submitted that the payments to contractors could not be made due to non-closure of reconciliation with them and accordingly there was some outstanding payments towards balance and retention incurred in 2009-10 and 2010-11. It has further submitted that Rs. 11.36 lakh is on account of reimbursement of Service Tax during 2009-10 and Rs. 38.71 lakh towards balance and retention payments.

15. We have considered the submissions of the petitioner with regard to the actual capital expenditure during 2009-10, 2010-11 and 2011-12 for all the transmission assets I, II and III. The capital addition is based on actual capital expenditure incurred as per the Auditor Certificate submitted by the petitioner. The actual additional capital expenditure incurred is within the original scope of work and the total capital expenditure during 2009-14 is within the limits of the total approved capital expenditure. We have considered the actual additional capital expenditure incurred by the petitioner for the purpose of revision of tariff in accordance with Regulation 6 of the 2009 Tariff Regulations.

16. The debt:equity ratio of 70:30 for additional capital expenditure as claimed by the petitioner is in accordance with the clause (3) of the Regulation 12 of the 2009 Tariff Regulations and hence, same has been considered towards financing of the additional capital expenditure.

Debt: Equity

17. Regulation 12 of the 2009 Tariff Regulations provides as under:—

“12. Debt-Equity Ratio. (1) For a project declared under commercial operation on or after 1.4.2009, if the equity actually deployed is more than 30% of the capital cost, equity in excess of 30% shall be treated as normative loan:

Provided that where equity actually deployed is less than 30% of the capital cost, the actual equity shall be considered for determination of tariff:

(2) In case of the generating station and the transmission system declared under commercial operation prior to 1.4.2009, debt-equity ratio allowed by the Commission for determination of tariff for the period ending 31.3.2009 shall be considered.

(3) Any expenditure incurred or projected to be incurred on or after 1.4.2009 as may be admitted by the Commission as additional capital expenditure for determination of tariff, and renovation and modernisation expenditure for life extension shall be serviced in the manner specified in clause (1) of this regulation.”

18. The petitioner has claimed the tariff based on the debt: equity ratio of 70:30 as on 31.3.2009 for all the transmission assets as admitted by the Commission in its order dated 14.2.2011 in petition no. 241/2010. The admitted debt:equity ratio as on 31.3.2009 has been considered as opening debt:equity ratio on 1.4.2009 for determination of tariff in accordance with the Regulation 12 of the 2009 Tariff Regulations. In respect of the additional capitalization, debt:equity ratio of 70:30 has been considered which is in line with the 2009 Tariff Regulations.

19. The details of the debt: equity considered for the purpose of tariff for 2009-14 tariff period is as follows:—

Transmission Asset-I

Capital Structure Capital Cost as on 31.3.2009 Additional Capital Expenditure during 2009-14 Capital Cost as on 31.3.2014 (Rs. in lakh) (%) (Rs. in lakh) (%) (Rs. in lakh) (%) Debt 19109.56 70.00 464.38 70.00 19573.94 70.00 Equity 8188.61 30.00 199.02 30.00 8387.63 30.00 Total 27298.17 100.00 663.40 100.00 27961.57 100.00

Transmission Asset-II

Capital Structure Capital Cost as on 31.3.2009 Additional Capital Expenditure during 2009-14 Capital Cost as on 31.3.2014 (Rs. in lakh) (%) (Rs. in lakh) (%) (Rs. in lakh) (%) Debt 1739.12 70.00 30.22 70.00 1769.34 70.00 Equity 745.33 30.00 12.95 30.00 758.28 30.00 Total 2484.45 100.00 43.17 100.00 2527.62 100.00

Transmission Asset-III

Capital Structure Capital Cost as on 31.3.2009 Additional Capital Expenditure during 2009-14 Capital Cost as on 31.3.2014 (Rs. in lakh) (%) (Rs. in lakh) (%) (Rs. in lakh) (%) Debt 2852.56 70.00 60.80 70.00 2913.36 70.00 Equity 1222.45 30.00 26.06 30.00 1248.51 30.00 Total 4075.01 100.00 86.86 100.00 4161.87 100.00

Return on Equity (‘ROE’)

20. Clause (3), (4) and (5) of the Regulation 15 of the 2009 Tariff Regulations provides that

“(3) The rate of return on equity shall be computed by grossing up the base rate with the Minimum Alternate/Corporate Income Tax Rate for the year 2008-09, as per the Income Tax Act, 1961, as applicable to the concerned generating company or the transmission licensee, as the case may be.

(4) Rate of return on equity shall be rounded off to three decimal points and be computed as per the formula given below:

Rate of pre-tax return on equity = Base rate/(1-t)

Where “t” is the applicable tax rate in accordance with clause (3) of this regulation.

(5) The generating company or the transmission licensee, as the case may be, shall recover the shortfall or refund the excess Annual Fixed Charge on account of Return on Equity due to change in applicable Minimum Alternate/Corporate Income Tax Rate as per the Income Tax Act, 1961 (as amended from time to time) of the respective financial year directly without making any application before the Commission:

Provided further that Annual Fixed Charge with respect to the tax rate applicable to the generating company or the transmission licensee, as the case may be, in line with the provisions of the relevant Finance Acts of the respective year during the tariff period shall be trued up in accordance with Regulation 6 of these regulations.”

21. The variation in the tax rate during the 2009-14 tariff period applicable to the petitioner as per the Finance Act of the relevant year for the purpose of grossing up of return on equity has been furnished as follows:—

Year MAT Rate claimed in the current petition Grossed up ROE (Base Rate/(1-t)) claimed in the current petition 2009-10 16.995% 18.674% 2010-11 19.931% 19.358% 2011-12 20.008% 19.377% 2012-13 20.008% 19.377% 2013-14 20.961% 19.610%

22. Regulation 15 of the 2009 Tariff Regulations provides for grossing up of ROE with the actual tax rate for the purpose of ROE. The petitioner has submitted that MAT rate was applicable during the various years of 2009-14 tariff period. The ROE has been worked out by considering year wise MAT rate submitted by the petitioner in accordance with Regulation 15 of the 2009 Tariff Regulations. The ROE allowed is as follows:—

Transmission Asset-I

(Rs. in lakh

Return on Equity 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 1447.51 1464.22 1465.53 1466.18 1466.18 Claimed by the petitioner 1546.72 1622.64 1625.27 1625.27 1644.81 Allowed after true up in this order 1546.68 1622.66 1625.27 1625.27 1644.85

Transmission Asset-II

(Rs. in lakh

Return on Equity 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 131.06 133.03 134.23 134.23 134.23 Claimed by the petitioner 140.03 146.04 146.56 146.93 148.70 Allowed after true up in this order 140.03 146.04 146.56 146.93 148.70

Transmission Asset-III

(Rs. in lakh

Return on Equity 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 214.96 218.32 220.43 220.43 220.43 Claimed by the petitioner 228.28 236.64 239.40 241.92 244.83 Allowed after true up in this order 228.28 236.65 239.40 241.92 244.84

The variation in the return on equity is on account of change in the applicable MAT rate considered for the purpose of grossing up of base rate of return on equity.

Interest on Loan (‘IoL’)

23. Regulation 16 of the 2009 Tariff Regulations provide the methodology for working out weighted average rate of IoL. The Commission in its earlier order dated 8.6.2011 in Petition No. 238/2010 has dealt with similar issue and held that:-“…in case of floating rate of interest, any change in the rates of interest during the tariff period will be considered at the time of true up”.

24. The petitioner has submitted the weighted average rate of IoL, based on its actual loan portfolio and rate of interest for the tariff period 2009-14. Regulation 16 of the 2009 Tariff Regulations provides that the weighted average interest rate of loan is to be worked out based on actual loan portfolio. The weighted average rate of interest is worked out based on the actual loan interest rate and repayments submitted by the petitioner and placed in Annexure - 1. Accordingly, the IoL has been calculated based on actual weighted average interest rate worked out as above, in accordance with the Regulation 16 of the 2009 Tariff Regulations. The IoL worked out is as follows:—

Transmission Asset-I

(Rs. in lakh)

Interest on Loan 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 1656.39 1543.45 1411.46 1277.39 1142.53 Claimed by the petitioner 1656.83 1544.53 1411.82 1276.78 1141.80 Allowed after true up in this order 1656.84 1544.53 1411.82 1276.78 1141.80

Transmission Asset-II

(Rs. in lakh)

Interest on Loan 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 148.65 138.87 128.02 115.55 103.07 Claimed by the petitioner 148.68 137.49 125.71 113.80 101.49 Allowed after true up in this order 148.68 137.49 125.71 113.81 101.49

Transmission Asset-III

(Rs. in lakh)

Interest on Loan 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 249.32 233.00 214.90 194.02 173.17 Claimed by the petitioner 247.88 227.67 210.05 192.21 171.57 Allowed after true up in this order 247.88 227.66 210.05 192.21 171.57

The variation in IoL for the assets is on account of change in additional capitalization, corresponding normative debt and weighted average rate of interest.

Depreciation

25. The depreciation has been worked out as per the methodology provided in the Regulation 17 of the 2009 Tariff Regulations. The depreciation allowed is as follows:—

Transmission Asset-I

(Rs. in lakh)

Depreciation 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 1432.21 1448.10 1449.42 1450.08 1450.08 Claimed by the petitioner 1433.26 1450.47 1451.42 1451.42 1451.42 Allowed after true up in this order 1433.25 1450.47 1451.42 1451.42 1451.42

Transmission Asset-II

(Rs. in lakh)

Depreciation 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 131.01 133.00 134.20 134.20 134.20 Claimed by the petitioner 131.04 131.84 132.18 132.52 132.52 Allowed after true up in this order 131.04 131.84 132.18 132.52 132.52

Transmission Asset-III

(Rs. in lakh)

Depreciation 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 216.25 219.64 221.76 221.76 221.76 Claimed by the petitioner 215.16 215.16 217.36 219.56 219.56 Allowed after true up in this order 215.16 215.16 217.36 219.57 219.57

The variation in depreciation is due to change in additional capital expenditure and corresponding gross block during the 2009-14 tariff period.

Interest on Working Capital (‘IWC’)

26. The IWC has been worked out as per the Regulation 18 of the 2009 Tariff Regulations as under:—

Transmission Asset-I

(Rs. in lakh

Interest on Working Capital 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 124.00 124.02 123.10 122.22 121.39 Claimed by the petitioner 126.10 127.39 126.48 125.55 125.13 Allowed after true up in this order 126.10 127.39 126.48 125.55 125.13

Transmission Asset-II

(Rs. in lakh)

Interest on Working Capital 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 16.69 17.03 17.35 17.60 17.89 Claimed by the petitioner 16.87 17.25 17.51 17.80 18.13 Allowed after true up in this order 16.87 17.25 17.51 17.80 18.13

Transmission Asset-III

(Rs. in lakh)

Interest on Working Capital 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 30.43 31.17 31.86 32.46 33.13 Claimed by the petitioner 30.66 31.34 32.06 32.83 33.56 Allowed after true up in this order 30.66 31.34 32.06 32.83 33.55

The variation in IWC is due to change in additional capital expenditure, corresponding receivables and change in ROE on account of variation in applicable MAT rate during the 2009-14 tariff period.

Operation & Maintenance Expenses (‘O&M Expenses’)

27. Clause (g) of Regulation 19 of the 2009 Tariff Regulations specifies the norms for O&M Expenses for the transmission system. The normative O&M Expenses are not required to be trued up. Accordingly, the total allowable O&M expenses for the instant assets have been worked out based on norms of O&M Expenses and the details are as follows:—

Transmission Asset-I

(Rs. in lakh)

O&M Expenses 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 588.96 622.70 658.34 695.98 735.70 Claimed by the petitioner 588.96 622.70 658.34 695.98 735.70 Allowed after true up in this order 588.96 622.70 658.34 695.98 735.70

Transmission Asset-II

(Rs. in lakh)

O&M Expenses 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 162.44 171.74 181.57 191.94 202.92 Claimed by the petitioner 162.44 171.74 181.57 191.94 202.92 Allowed after true up in this order 162.44 171.74 181.57 191.94 202.92

Transmission Asset-III

(Rs. in lakh)

O&M Expenses 2009-10 2010-11 2011-12 2012-13 2013-14 Approved vide Order dated 14.2.2011 324.88 343.48 363.14 383.88 405.84 Claimed by the petitioner 324.88 343.48 363.14 383.88 405.84 Allowed after true up in this order 324.88 343.48 363.14 383.88 405.84

APPROVED ANNUAL FIXED CHARGES FOR 2009-14 TARIFF PERIOD

28. The detailed computation of the various components of the trued up annual fixed charges for the instant transmission assets for the tariff period 2009-14 is summarised below:—

Transmission Asset-I

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Depreciation Opening Gross Block 27298.17 27925.75 27961.57 27961.57 27961.57 Additional Capitalization 627.58 35.82 0.00 0.00 0.00 Closing Gross Block 27925.75 27961.57 27961.57 27961.57 27961.57 Average Gross Block 27611.96 27943.66 27961.57 27961.57 27961.57 Rate of Depreciation (%) 5.19 5.19 5.19 5.19 5.19 Depreciable Value 24525.92 25106.86 24856.69 24840.57 24840.57 Balance useful life of the asset 32 31 30 29 28 Elapsed life 0 1 2 3 4 Remaining Depreciable Value 23730.11 22595.38 21161.03 19709.62 18258.20 Depreciation during the year 1433.25 1450.47 1451.42 1451.42 1451.42 Cumulative depreciation (incl. of AAD) 2229.06 3679.53 5130.95 6582.37 8033.78 Interest on Loan Gross Normative Loan 19109.56 19548.87 19573.94 19573.94 19573.94 Cumulative Repayments upto Previous Year 795.81 2229.06 3679.53 5130.95 6582.37 Net Loan-Opening 18313.75 17319.80 15894.41 14442.99 12991.57 Additions 439.31 25.07 0.00 0.00 0.00 Repayment during the year 1433.25 1450.47 1451.42 1451.42 1451.42 Net Loan-Closing 17319.80 15894.41 14442.99 12991.57 11540.16 Average Loan 17816.78 16607.10 15168.70 13717.28 12265.87 Weighted Average Rate of Interest on Loan (%) 9.2993 9.3004 9.3075 9.3078 9.3088 Interest on Loan 1656.84 1544.53 1411.82 1276.78 1141.80 Return on Equity Opening Equity 8188.61 8376.88 8387.63 8387.63 8387.63 Additions 188.27 10.75 0.00 0.00 0.00 Closing Equity 8376.88 8387.63 8387.63 8387.63 8387.63 Average Equity 8282.75 8382.26 8387.63 8387.63 8387.63 Return on Equity (Base Rate)(%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 16.995 19.931 20.008 20.008 20.961 Rate of Return on Equity (%) 18.674 19.358 19.377 19.377 19.610 Return on Equity 1546.68 1622.66 1625.27 1625.27 1644.85 Interest on Working Capital O & M Expenses 49.06 51.87 54.84 57.97 61.28 Maintenance Spares 88.34 93.40 98.75 104.40 110.35 Receivables 891.97 894.62 878.89 862.50 849.82 Total Working Capital 1029.38 1039.90 1032.48 1024.87 1021.45 Rate of Interest (%) 12.25 12.25 12.25 12.25 12.25 Interest of working capital 126.10 127.39 126.48 125.55 125.13 Annual Transmission Charges Depreciation 1433.25 1450.47 1451.42 1451.42 1451.42 Interest on Loan 1656.84 1544.53 1411.82 1276.78 1141.80 Return on Equity 1546.68 1622.66 1625.27 1625.27 1644.85 Interest on Working Capital 126.10 127.39 126.48 125.55 125.13 O & M Expenses 588.96 622.70 658.34 695.98 735.70 Total 5351.83 5367.74 5273.32 5174.98 5098.90

Transmission Asset-II

(Rs. in lakh

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Depreciation Opening Gross Block 2484.45 2514.73 2514.73 2527.62 2527.62 Additional Capitalisation 30.28 0.00 12.89 0.00 0.00 Closing Gross Block 2514.73 2514.73 2527.62 2527.62 2527.62 Average Gross Block 2499.59 2514.73 2521.18 2527.62 2527.62 Rate of Depreciation (%) 5.24 5.24 5.24 5.24 5.24 Depreciable Value 2249.63 2276.88 2269.06 2280.66 2274.86 Balance useful life of the asset 24 23 22 21 20 Elapsed life 1 2 3 4 5 Remaining Depreciable Value 2165.11 2047.70 1921.66 1795.28 1662.76 Depreciation during the year 131.04 131.84 132.18 132.52 132.52 Cumulative depreciation (incl. of AAD) 215.56 347.40 479.57 612.09 744.61 Interest on Loan Gross Normative Loan 1739.12 1760.32 1760.32 1769.34 1769.34 Cumulative Repayments upto Previous Year 84.52 215.56 347.40 479.57 612.09 Net Loan-Opening 1654.60 1544.76 1412.92 1289.76 1157.25 Additions 21.20 0.00 9.02 0.00 0.00 Repayment during the year 131.04 131.84 132.18 132.52 132.52 Net Loan-Closing 1544.76 1412.92 1289.76 1157.25 1024.73 Average Loan 1599.68 1478.84 1351.34 1223.50 1090.99 Weighted Average Rate of Interest on Loan (%) 9.2945 9.2973 9.3024 9.3015 9.3024 Interest on Loan 148.68 137.49 125.71 113.80 101.49 Return on Equity Opening Equity 745.33 754.41 754.41 758.28 758.28 Additions 9.08 0.00 3.87 0.00 0.00 Closing Equity 754.41 754.41 758.28 758.28 758.28 Average Equity 749.87 754.41 756.35 758.28 758.28 Return on Equity (Base Rate) (%) 15.50 15.50 15.50 15.50 15.50 MAT Rate for respective year (%) 17.00 19.93 20.01 20.01 20.96 Rate of Return on Equity (%) 18.67 19.36 19.38 19.38 19.61 Return on Equity 140.03 146.04 146.56 146.93 148.70 Interest on Working Capital O & M Expenses 13.53 14.31 15.12 15.99 16.90 Maintenance Spares 24.37 25.76 27.24 28.79 30.44 Receivables 99.84 100.73 100.59 100.50 100.63 Total Working Capital 137.74 140.79 142.95 145.28 147.97 Rate of Interest (%) 12.25 12.25 12.25 12.25 12.25 Interest of working capital 16.87 17.25 17.51 17.80 18.13 Annual Transmission Charges Depreciation 131.04 131.84 132.18 132.52 132.52 Interest on Loan 148.68 137.49 125.71 113.80 101.49 Return on Equity 140.03 146.04 146.56 146.93 148.70 Interest on Working Capital 16.87 17.25 17.51 17.80 18.13 O & M Expenses 162.44 171.74 181.57 191.94 202.92 Total 599.06 604.36 603.52 602.99 603.75

Transmission Asset-III

(Rs. in lakh

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Depreciation Opening Gross Block 4075.01 4075.01 4075.01 4161.87 4161.87 Additional Capitalization 0.00 0.00 86.86 0.00 0.00 Closing Gross Block 4075.01 4075.01 4161.87 4161.87 4161.87 Average Gross Block 4075.01 4075.01 4118.44 4161.87 4161.87 Rate of Depreciation (%) 5.28 5.28 5.28 5.28 5.28 Depreciable Value 3667.51 3667.51 3706.60 3784.77 3745.68 Balance useful life of the asset 25 24 23 22 21 Elapsed life 0 1 2 3 4 Remaining Depreciable Value 3557.61 3342.45 3166.38 2988.11 2768.54 Depreciation during the year 215.16 215.16 217.36 219.57 219.57 Cumulative depreciation (incl. of AAD) 325.06 540.21 757.57 977.14 1196.71 Interest on Loan Gross Normative Loan 2852.56 2852.56 2852.56 2913.36 2913.36 Cumulative Repayments upto Previous Year 109.90 325.06 540.21 757.57 977.14 Net Loan-Opening 2742.66 2527.50 2312.35 2155.79 1936.22 Additions 0.00 0.00 60.80 0.00 0.00 Repayment during the year 215.16 215.16 217.36 219.57 219.57 Net Loan-Closing 2527.50 2312.35 2155.79 1936.22 1716.65 Average Loan 2635.08 2419.93 2234.07 2046.00 1826.43 Weighted Average Rate of Interest on Loan (%) 9.4068 9.4079 9.4023 9.3946 9.3936 Interest on Loan 247.88 227.66 210.05 192.21 171.57 Return on Equity Opening Equity 1222.45 1222.45 1222.45 1248.51 1248.51 Additions 0.00 0.00 26.06 0.00 0.00 Closing Equity 1222.45 1222.45 1248.51 1248.51 1248.51 Average Equity 1222.45 1222.45 1235.48 1248.51 1248.51 Return on Equity (Base Rate)(%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 16.995 19.931 20.008 20.008 20.961 Rate of Return on Equity (%) 18.674 19.358 19.377 19.377 19.610 Return on Equity 228.28 236.65 239.40 241.92 244.84 Interest on Working Capital O & M Expenses 27.06 28.61 30.25 31.98 33.81 Maintenance Spares 48.73 51.52 54.47 57.58 60.88 Receivables 174.47 175.71 177.00 178.40 179.23 Total Working Capital 250.27 255.85 261.72 267.96 273.91 Rate of Interest (%) 12.25 12.25 12.25 12.25 12.25 Interest of working capital 30.66 31.34 32.06 32.83 33.55 Annual Transmission Charges Depreciation 215.16 215.16 217.36 219.57 219.57 Interest on Loan 247.88 227.66 210.05 192.21 171.57 Return on Equity 228.28 236.65 239.40 241.92 244.84 Interest on Working Capital 30.66 31.34 32.06 32.83 33.55 O & M Expenses 324.88 343.48 363.14 383.88 405.84 Total 1046.85 1054.29 1062.01 1070.41 1075.37

DETERMINATION OF ANNUAL FIXED CHARGES FOR 2014-19 TARIFF PERIOD:—

29. The petitioner has claimed the tariff charges for 2014-19 tariff period as under:—

Transmission Asset-I

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation 1451.42 1451.42 1451.42 1451.42 1451.42 Interest on Loan 1006.9 871.99 737.08 602.16 467.23 Return on Equity 1644.81 1644.81 1644.81 1644.81 1644.81 Interest on Working Capital 131.74 129.87 128.05 126.26 124.52 O & M Expenses 675.03 697.52 720.65 744.58 769.25 Total 4909.90 4795.61 4682.01 4569.23 4457.23

Transmission Asset-II

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation 132.52 132.52 132.52 132.52 132.52 Interest on Loan 89.18 76.86 64.55 52.24 39.92 Return on Equity 148.7 148.7 148.7 148.7 148.7 Interest on Working Capital 18.85 18.91 18.98 19.06 19.16 O & M Expenses 186.93 193.13 199.55 206.16 213.01 Total 576.18 570.12 564.3 558.68 553.31

Transmission Asset-III

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation 219.56 219.56 219.56 219.56 219.56 Interest on Loan 150.94 130.32 109.69 89.06 68.44 Return on Equity 244.83 244.83 244.83 244.83 244.83 Interest on Working Capital 34.82 35.03 35.26 35.52 35.80 0 & M Expenses 373.86 386.26 399.10 412.32 426.02 Total 1024.01 1016.00 1008.44 1001.29 994.65

30. The details submitted by the petitioner in support of its claim for interest on working capital are given hereunder:

Transmission Asset - I

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 O & M Expenses 56.25 58.13 60.05 62.05 64.10 Maintenance Spares 101.25 104.63 108.10 111.69 115.39 Receivables 818.32 799.27 780.34 761.54 742.87 Total 975.82 962.03 948.49 935.28 922.36 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest 131.74 129.87 128.05 126.26 124.52

Transmission Asset - II

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 O & M Expenses 15.58 16.09 16.63 17.18 17.75 Maintenance Spares 28.04 28.97 29.93 30.92 31.95 Receivables 96.03 95.02 94.05 93.11 92.22 Total 139.65 140.08 140.61 141.21 141.92 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest 18.85 18.91 18.98 19.06 19.16

Transmission Asset-III

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 0 & M Expenses 31.16 32.19 33.26 34.36 35.50 Maintenance Spares 56.08 57.94 59.87 61.85 63.90 Receivables 170.66 169.32 168.07 166.88 165.77 Total 257.90 259.45 261.20 263.09 265.17 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest 34.82 35.03 35.26 35.52 35.80

Capital Cost

31. Clause (3) and (6) of Regulation 9 of 2014 Tariff Regulation provide as follows:—

“(3) The Capital cost of an existing project shall include the following:

(a) the capital cost admitted by the Commission prior to 1.4.2014 duly trued up by excluding liability, if any, as on 1.4.2014;

(b) additional capitalization and de-capitalization for the respective year of tariff as determined in accordance with Regulation 14; and

(c) expenditure on account of renovation and modernisation as admitted by this Commission in accordance with Regulation 15.”

“(6) The following shall be excluded or removed from the capital cost of the existing and new project:

(a) The assets forming part of the project, but not in use; (b) Decapitalisation of Asset;”

32. The capital cost of Rs. 34651.06 lakh (combined for all the transmission assets) worked out as on 31.3.2014 has been considered as opening capital cost as on 1.4.2014 for determination of tariff in accordance with Regulation 9 of the 2014 Tariff Regulations.

Additional Capital Expenditure

33. The petitioner has not claimed any additional capital expenditure for 2014-19 tariff period.

Debt: Equity

34. Clause (1) and (3) of Regulation 19 of the 2014 Tariff Regulations provide as under:—

“19. Debt-Equity Ratio: (1) For a project declared under commercial operation on or after 1.4.2014, the debt-equity ratio would be considered as 70:30 as on COD. If the equity actually deployed is more than 30% of the capital cost, equity in excess of 30% shall be treated as normative loan:”

“(3) In case of the generating station and the transmission system including communication system declared under commercial operation prior to 1.4.2014, debt equity ratio allowed by the Commission for determination of tariff for the period ending 31.3.2014 shall be considered.”

“(5) Any expenditure incurred or projected to be incurred on or after 1.4.2014 as may be admitted by the Commission as additional capital expenditure for determination of tariff, and renovation and modernisation expenditure for life extension shall be serviced in the manner specified in clause (1) of this regulation.”

35. The petitioner has considered the debt:equity ratio of 70:30 as on 31.3.2014 for all the transmission assets, which is in line with the 2014 Tariff Regulations. The details of the debt:equity considered for the purpose of tariff for 2014-19 tariff period is as follows:—

Transmission Asset-I

Funding Total Cost as on 31.3.2014 Additional Capital Expenditure during 2014-19 Total Cost as on 31.3.2019 (Rs. in lakh) (%) (Rs. in lakh) (%) (Rs. in lakh) (%) Debt 19573.94 70.00 0.00 0.00 19573.94 70.00 Equity 8387.63 30.00 0.00 0.00 8387.63 30.00 Total 27961.57 100.00 0.00 0.00 27961.57 100.00

Transmission Asset-II

Funding Total Cost as on 31.3.2014 Additional Capital Expenditure during 2014-19 Total Cost as on 31.3.2019 (Rs. in lakh) (%) (Rs. in lakh) (%) (Rs. in lakh) (%) Debt 1769.34 70.00 0.00 0.00 1769.34 70.00 Equity 758.28 30.00 0.00 0.00 758.28 30.00 Total 2527.62 100.00 0.00 0.00 2527.62 100.00

Transmission Asset-III

Funding Total Cost as on 31.3.2014 Additional Capital Expenditure during 2014-19 Total Cost as on 31.3.2019 (Rs. in lakh) (%) (Rs. in lakh) (%) (Rs. in lakh) (%) Debt 2913.36 70.00 0.00 0.00 2913.36 70.00 Equity 1248.51 30.00 0.00 0.00 1248.51 30.00 Total 4161.87 100.00 0.00 0.00 4161.87 100.00

Return on Equity (‘ROE’)

36. Clause (1) and (2) of Regulations 24 and Clause (2) of Regulation 25 of the 2014 Tariff Regulations specify as under:—

“24. Return on Equity: (1) Return on equity shall be computed in rupee terms, on the equity base determined in accordance with regulation 19.

(2) Return on equity shall be computed at the base rate of 15.50% for thermal generating stations, transmission system including communication system”

“25. Tax on Return on Equity:

(2) Rate of return on equity shall be rounded off to three decimal places and shall be computed as per the formula given below:

Rate of pre-tax return on equity = Base rate/(1-t)

Where “t” is the effective tax rate in accordance with Clause (1) of this regulation and shall be calculated at the beginning of every financial year based on the estimated profit and tax to be paid estimated in line with the provisions of the relevant Finance Act applicable for that financial year to the company on pro-rata basis by excluding the income of non-generation or non-transmission business, as the case may be, and the corresponding tax thereon. In case of generating company or transmission licensee paying Minimum Alternate Tax (MAT), “t” shall be considered as MAT rate including surcharge and cess.”

37. The petitioner has submitted that MAT rate is applicable to the petitioner's company. Accordingly, the MAT rate applicable during the 2013-14 has been considered for the purpose of ROE, which shall be trued up with actual tax rate in accordance with clause (3) of regulation 25 of the 2014 Tariff Regulations. The ROE has been worked out and allowed as follows:—

Transmission Asset-I

(Rs. in lakh)

Return on Equity 2014-15 2015-16 2016-17 2017-18 2018-19 Opening Equity 8387.63 8387.63 8387.63 8387.63 8387.63 Additions 0.00 0.00 0.00 0.00 0.00 Closing Equity 8387.63 8387.63 8387.63 8387.63 8387.63 Average Equity 8387.63 8387.63 8387.63 8387.63 8387.63 Return on Equity (Base Rate) (%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 20.961 20.961 20.961 20.961 20.961 Rate of Return on Equity (%) 19.610 19.610 19.610 19.610 19.610 Return on Equity 1644.85 1644.85 1644.85 1644.85 1644.85

Transmission Asset-II

(Rs. in lakh)

Return on Equity 2014-15 2015-16 2016-17 2017-18 2018-19 Opening Equity 758.28 758.28 758.28 758.28 758.28 Additions 0.00 0.00 0.00 0.00 0.00 Closing Equity 758.28 758.28 758.28 758.28 758.28 Average Equity 758.28 758.28 758.28 758.28 758.28 Return on Equity (Base Rate) (%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 20.961 20.961 20.961 20.961 20.961 Rate of Return on Equity (%) 19.610 19.610 19.610 19.610 19.610 Return on Equity 148.70 148.70 148.70 148.70 148.70

Transmission Asset-III

(Rs. in lakh)

Return on Equity 2014-15 2015-16 2016-17 2017-18 2018-19 Opening Equity 1248.51 1248.51 1248.51 1248.51 1248.51 Additions 0.00 0.00 0.00 0.00 0.00 Closing Equity 1248.51 1248.51 1248.51 1248.51 1248.51 Average Equity 1248.51 1248.51 1248.51 1248.51 1248.51 Return on Equity (Base Rate) (%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 20.961 20.961 20.961 20.961 20.961 Rate of Return on Equity (%) 19.610 19.610 19.610 19.610 19.610 Return on Equity 244.84 244.84 244.84 244.84 244.84

Interest on Loan (‘IoL’)

38. Clause 5 and Clause 6 of Regulation 26 of the 2014 Tariff Regulations provides that:—

“(5) The rate of interest shall be the weighted average rate of interest calculated on the basis of the actual loan portfolio after providing appropriate accounting adjustment for interest capitalized:

Provided that if there is no actual loan for a particular year but normative loan is still outstanding, the last available weighted average rate of interest shall be considered:

Provided further that if the generating station or the transmission system, as the case may be, does not have actual loan, then the weighted average rate of interest of thegenerating company or the transmission licensee as a whole shall be considered.

(6) The interest on loan shall be calculated on the normative average loan of the year by applying the weighted average rate of interest.”

39. The weighted average rate of IoL has been considered on the basis of rate prevailing as on 1.4.2014 The petitioner has prayed that the change in interest rate due to floating rate of interest applicable, if any, during 2014-19 tariff period will be adjusted. Accordingly, the floating rate of interest, if any, shall be considered at the time of true up or next revision of tariff. By considering above, the IoL has been worked out in accordance with Regulation 26 of the 2014 Tariff Regulations. The details of weighted average rate of interest for 2014-19 tariff period are placed in Annexure-2 and the IoL has been worked out and allowed as follows:—

Transmission Asset-I

(Rs. in lakh)

Interest on Loan 2014-15 2015-16 2016-17 2017-18 2018-19 Gross Normative Loan 19573.94 19573.94 19573.94 19573.94 19573.94 Cumulative Repayment upto Previous Year 8033.78 9485.20 10936.61 12388.03 13839.44 Net Loan-Opening 11540.16 10088.74 8637.33 7185.91 5734.50 Additions 0.00 0.00 0.00 0.00 0.00 Repayment during the year 1451.42 1451.42 1451.42 1451.42 1451.42 Net Loan-Closing 10088.74 8637.33 7185.91 5734.50 4283.08 Average Loan 10814.45 9363.04 7911.62 6460.21 5008.79 Weighted Average Rate of Interest on Loan (%) Interest on Loan 1006.90 872.00 737.09 602.17 467.23

Transmission Asset-II

(Rs. in lakh)

Interest on Loan 2014-15 2015-16 2016-17 2017-18 2018-19 Gross Normative Loan 1769.34 1769.34 1769.34 1769.34 1769.34 Cumulative Repayment upto Previous Year 744.61 877.13 1009.65 1142.17 1274.69 Net Loan-Opening 1024.73 892.21 759.69 627.17 494.65 Additions 0.00 0.00 0.00 0.00 0.00 Repayment during the year 132.52 132.52 132.52 132.52 132.52 Net Loan-Closing 892.21 759.69 627.17 494.65 362.13 Average Loan 958.47 825.95 693.43 560.91 428.39 Weighted Average Rate of Interest on Loan (%) 9.3044 9.3061 9.3084 9.3129 9.3179 Interest on Loan 89.18 76.86 64.55 52.24 39.92

Transmission Asset-III

(Rs. in lakh)

Interest on Loan 2014-15 2015-16 2016-17 2017-18 2018-19 Gross Normative Loan 2913.36 2913.36 2913.36 2913.36 2913.36 Cumulative Repayment upto Previous Year 1196.71 1416.28 1635.85 1855.42 2074.99 Net Loan-Opening 1716.65 1497.08 1277.51 1057.94 838.37 Additions 0.00 0.00 0.00 0.00 0.00 Repayment during the year 219.57 219.57 219.57 219.57 219.57 Net Loan-Closing 1497.08 1277.51 1057.94 838.37 618.80 Average Loan 1606.86 1387.29 1167.73 948.16 728.59 Weighted Average Rate of Interest on Loan (%) 9.3937 9.3933 9.3935 9.3929 9.3921 Interest on Loan 150.94 130.31 109.69 89.06 68.43

Depreciation

40. Clause (2), (5) and (6) of Regulation 27 of the 2014 Tariff Regulations provide that:—

“27. Depreciation:

…(2) The value base for the purpose of depreciation shall be the capital cost of the asset admitted by the Commission. In case of multiple units of a generating station or multiple elements of transmission system, weighted average life for the generating station of the transmission system shall be applied. Depreciation shall be chargeable from the first year of commercial operation. In case of commercial operation of the asset for part of the year, depreciation shall be charged on pro rata basis”

“(5) Depreciation shall be calculated annually based on Straight Line Method and at rates specified in Appendix-II to these regulations for the assets of the generating station and transmission system:

Provided that the remaining depreciable value as on 31 March of the year closing after a period of 12 years from the effective date of commercial operation of the station shall be spread over the balance useful life of the assets.

(6) In case of the existing projects, the balance depreciable value as on 1.4.2014 shall be worked out by deducting the cumulative depreciation as admitted by the Commission upto 31.3.2014 from the gross depreciable value of the assets.”

41. The depreciation has been worked out considering the admitted capital expenditure as on 31.3.2014 and accumulated depreciation up to 31.3.2014 The detailed calculations for depreciation for the transmission asset are worked out and allowed as follows:—

Transmission Asset-I

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation Opening Gross Block 27961.57 27961.57 27961.57 27961.57 27961.57 Additional Capitalisation 0.00 0.00 0.00 0.00 0.00 Closing Gross Block 27961.57 27961.57 27961.57 27961.57 27961.57 Average Gross Block 27961.57 27961.57 27961.57 27961.57 27961.57 Rate of Depreciation (%) 5.19 5.19 5.19 5.19 5.19 Depreciable Value 24840.57 24840.57 24840.57 24840.57 24840.57 Balance useful life of the asset 27 26 25 24 23 Elapsed life 5 6 7 8 9 Remaining Depreciable Value 16806.79 15355.37 13903.96 12452.54 11001.12 Depreciation during the year 1451.42 1451.42 1451.42 1451.42 1451.42 Cumulative depreciation 9485.20 10936.61 12388.03 13839.44 15290.86

Transmission Asset-II

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation Opening Gross Block 2527.62 2527.62 2527.62 2527.62 2527.62 Additional Capitalisation 0.00 0.00 0.00 0.00 0.00 Closing Gross Block 2527.62 2527.62 2527.62 2527.62 2527.62 Average Gross Block 2527.62 2527.62 2527.62 2527.62 2527.62 Rate of Depreciation (%) 5.24 5.24 5.24 5.24 5.24 Depreciable Value 2274.86 2274.86 2274.86 2274.86 2274.86 Balance useful life of the asset 19 18 17 16 15 Elapsed life 6 7 8 9 10 Remaining Depreciable Value 1530.25 1397.73 1265.21 1132.69 1000.17 Depreciation during the year 132.52 132.52 132.52 132.52 132.52 Cumulative depreciation 877.13 1009.65 1142.17 1274.69 1407.20

Transmission Asset-III

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation Opening Gross Block 4161.87 4161.87 4161.87 4161.87 4161.87 Additional Capitalisation 0.00 0.00 0.00 0.00 0.00 Closing Gross Block 4161.87 4161.87 4161.87 4161.87 4161.87 Average Gross Block 4161.87 4161.87 4161.87 4161.87 4161.87 Rate of Depreciation (%) 5.28 5.28 5.28 5.28 5.28 Depreciable Value 3745.68 3745.68 3745.68 3745.68 3745.68 Balance useful life of the asset 20 19 18 17 16 Elapsed life 5 6 7 8 9 Remaining Depreciable Value 2548.97 2329.40 2109.83 1890.26 1670.69 Depreciation during the year 219.57 219.57 219.57 219.57 219.57 Cumulative depreciation 1416.28 1635.85 1855.42 2074.99 2294.56

Operation & Maintenance Expenses (‘O&M Expenses’)

42. Clause 3(a) of Regulation 29 of the 2014 Tariff Regulations specifies the norms for O&M Expenses for the transmission system. The total allowable O&M Expenses for the instant assets have been worked out and allowed are as follows:—

Transmission Asset-I

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 400KV: No. of Bays 9 9 9 9 9 Norms (Rs. lakh/Bay) 60.30 62.30 64.37 66.51 68.71 Total O&M Expenses (Rs. lakh) 675.03 697.52 720.65 744.58 769.25

Transmission Asset-II

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 400KV: No. of Bays 1 1 1 1 1 Norms (Rs. lakh/Bay) 60.30 62.30 64.37 66.51 68.71 220KV: No. of Bays 3 3 3 3 3 Norms (Rs. lakh/Bay) 42.21 43.61 45.06 46.55 48.1 Total O&M Expenses (Rs. lakh) 186.93 193.13 199.55 206.16 213.01

Transmission Asset-III

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 400KV: No. of Bays 2 2 2 2 2 Norms (Rs. lakh/Bay) 60.30 62.30 64.37 66.51 68.71 220KV: No. of Bays 6 6 6 6 6 Norms (Rs. lakh/Bay) 42.21 43.61 45.06 46.55 48.1 Total O&M Expenses (Rs. lakh) 373.86 386.26 399.10 412.32 426.02

43. The petitioner has further submitted that the wage revision of the employees of the petitioner company is due during 2014-19 and actual impact of wage hike which will be effective from a future date has also not been factored in fixation of the normative O&M rate specified for the 2014-19 tariff period. The petitioner has also prayed that it will approach to the Commission for suitable revision in the norms of O&M Expenses for claiming the impact of such increase. We would like to clarify that any application filed by the petitioner for revision of O&M Expenses on account of wage revision will be dealt with in accordance with the appropriate provisions of the 2014 Tariff Regulations. The O&M Expenses are allowed for the instant transmission asset as per prevailing norms.

Interest on Working Capital (‘IWC’)

44. Clause 1 (c) of Regulation 28 and Clause 5 of Regulation 3 of the 2014 Tariff Regulations specifies as follows:

“28. Interest on Working Capital

(c) (i) Receivables equivalent to two months of fixed cost;

(ii) Maintenance spares @ 15% of operation and maintenance expenses specified in regulation 29; and

(iii) Operation and maintenance expenses for one month”

“(5) ‘Bank Rate’ means the base rate of interest as specified by the State Bank of India from time to time or any replacement thereof for the time being in effect plus 350 basis points;”

45. The petitioner has submitted that it has computed interest on working capital for the tariff block 2014-19 considering the SBI Base Rate plus 350 basis points as on 1.4.2014 The rate of interest on working capital considered is 13.50%.

46. The interest on working capital is worked out in accordance with Regulation 28 of the 2014 Tariff Regulations. The rate of interest on working capital considered is 13.50% (SBI Base Rate of 10% plus 350 basis points). The components of the working capital and interest thereon have been worked as follows:—

Transmission Asset-I

(Rs. in lakh)

Interest on Working Capital 2014-15 2015-16 2016-17 2017-18 2018-19 O & M expenses 56.23 58.10 60.03 62.02 64.08 Maintenance Spares 101.25 104.63 108.10 111.69 115.39 Receivables 818.32 799.28 780.34 761.55 742.88 Total 975.81 962.01 948.47 935.26 922.34 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest on Working Capital 131.73 129.87 128.04 126.26 124.52

Transmission Asset-II

(Rs. in lakh)

Interest on Working Capital 2014-15 2015-16 2016-17 2017-18 2018-19 O & M expenses 15.57 16.09 16.62 17.17 17.74 Maintenance Spares 28.04 28.97 29.93 30.92 31.95 Receivables 96.03 95.02 94.05 93.11 92.22 Total 139.64 140.08 140.60 141.21 141.91 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest on Working Capital 18.85 18.91 18.98 19.06 19.16

Transmission Asset-III

(Rs. in lakh)

Interest on Working Capital 2014-15 2015-16 2016-17 2017-18 2018-19 O & M expenses 31.14 32.18 33.25 34.35 35.49 Maintenance Spares 56.08 57.94 59.87 61.85 63.90 Receivables 170.67 169.33 168.08 166.88 165.78 Total 257.89 259.45 261.19 263.08 265.17 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest on Working Capital 34.82 35.03 35.26 35.52 35.80

ANNUAL FIXED CHARGES FOR THE 2014-19 TARIFF PERIOD

47. The transmission charges allowed for the instant transmission assets for the 2014-19 tariff period are summarised below:—

Transmission Asset-I

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation Opening Gross Block 27961.57 27961.57 27961.57 27961.57 27961.57 Additional Capitalization 0.00 0.00 0.00 0.00 0.00 Closing Gross Block 27961.57 27961.57 27961.57 27961.57 27961.57 Average Gross Block 27961.57 27961.57 27961.57 27961.57 27961.57 Rate of Depreciation (%) 5.19 5.19 5.19 5.19 5.19 Depreciable Value 24840.57 24840.57 24840.57 24840.57 24840.57 Balance useful life of the asset 27 26 25 24 23 Elapsed life 5 6 7 8 9 Remaining Depreciable Value 16806.79 15355.37 13903.96 12452.54 11001.12 Depreciation during the year 1451.42 1451.42 1451.42 1451.42 1451.42 Cumulative depreciation (incl. of AAD) 9485.20 10936.61 12388.03 13839.44 15290.86 Interest on Loan Gross Normative Loan 19573.94 19573.94 19573.94 19573.94 19573.94 Cumulative Repayments upto Previous Year 8033.78 9485.20 10936.61 12388.03 13839.44 Net Loan-Opening 11540.16 10088.74 8637.33 7185.91 5734.50 Additions 0.00 0.00 0.00 0.00 0.00 Repayment during the year 1451.42 1451.42 1451.42 1451.42 1451.42 Net Loan-Closing 10088.74 8637.33 7185.91 5734.50 4283.08 Average Loan 10814.45 9363.04 7911.62 6460.21 5008.79 Weighted Average Rate of Interest on Loan (%) 9.3107 9.3132 9.3166 9.3212 9.3282 Interest on Loan 1006.90 872.00 737.09 602.17 467.23 Return on Equity Opening Equity 8387.63 8387.63 8387.63 8387.63 8387.63 Additions 0.00 0.00 0.00 0.00 0.00 Closing Equity 8387.63 8387.63 8387.63 8387.63 8387.63 Average Equity 8387.63 8387.63 8387.63 8387.63 8387.63 Return on Equity (Base Rate) (%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 20.961 20.961 20.961 20.961 20.961 Rate of Return on Equity (%) 19.610 19.610 19.610 19.610 19.610 Return on Equity 1644.85 1644.85 1644.85 1644.85 1644.85 Interest on Working Capital O & M Expenses 56.23 58.10 60.03 62.02 64.08 Maintenance Spares 101.25 104.63 108.10 111.69 115.39 Receivables 818.32 799.28 780.34 761.55 742.88 Total Working Capital 975.81 962.01 948.47 935.26 922.34 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest of working capital 131.73 129.87 128.04 126.26 124.52 Annual Transmission Charges Depreciation 1451.42 1451.42 1451.42 1451.42 1451.42 Interest on Loan 1006.90 872.00 737.09 602.17 467.23 Return on Equity 1644.85 1644.85 1644.85 1644.85 1644.85 Interest on Working Capital 131.73 129.87 128.04 126.26 124.52 O & M Expenses 675.03 697.52 720.65 744.58 769.25 Total 4909.94 4795.66 4682.05 4569.28 4457.27

Transmission Asset-II

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation Opening Gross Block 2527.62 2527.62 2527.62 2527.62 2527.62 Additional Capitalization 0.00 0.00 0.00 0.00 0.00 Closing Gross Block 2527.62 2527.62 2527.62 2527.62 2527.62 Average Gross Block 2527.62 2527.62 2527.62 2527.62 2527.62 Rate of Depreciation (%) 5.24 5.24 5.24 5.24 5.24 Depreciable Value 2274.86 2274.86 2274.86 2274.86 2274.86 Balance useful life of the asset 19 18 17 16 15 Elapsed life 6 7 8 9 10 Remaining Depreciable Value 1530.25 1397.73 1265.21 1132.69 1000.17 Depreciation during the year 132.52 132.52 132.52 132.52 132.52 Cumulative depreciation (incl. of AAD) 877.13 1009.65 1142.17 1274.69 1407.20 Interest on Loan Gross Normative Loan 1769.34 1769.34 1769.34 1769.34 1769.34 Cumulative Repayments upto Previous Year 744.61 877.13 1009.65 1142.17 1274.69 Net Loan-Opening 1024.73 892.21 759.69 627.17 494.65 Additions 0.00 0.00 0.00 0.00 0.00 Repayment during the year 132.52 132.52 132.52 132.52 132.52 Net Loan-Closing 892.21 759.69 627.17 494.65 362.13 Average Loan 958.47 825.95 693.43 560.91 428.39 Weighted Average Rate of Interest on Loan (%) 9.3044 9.3061 9.3084 9.3129 9.3179 Interest on Loan 89.18 76.86 64.55 52.24 39.92 Return on Equity Opening Equity 758.28 758.28 758.28 758.28 758.28 Additions 0.00 0.00 0.00 0.00 0.00 Closing Equity 758.28 758.28 758.28 758.28 758.28 Average Equity 758.28 758.28 758.28 758.28 758.28 Return on Equity (Base Rate) (%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year (%) 20.961 20.961 20.961 20.961 20.961 Rate of Return on Equity (%) 19.610 19.610 19.610 19.610 19.610 Return on Equity 148.70 148.70 148.70 148.70 148.70 Interest on Working Capital O & M Expenses 15.57 16.09 16.62 17.17 17.74 Maintenance Spares 28.04 28.97 29.93 30.92 31.95 Receivables 96.03 95.02 94.05 93.11 92.22 Total Working Capital 139.64 140.08 140.60 141.21 141.91 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest of working capital 18.85 18.91 18.98 19.06 19.16 Annual Transmission Charges Depreciation 132.52 132.52 132.52 132.52 132.52 Interest on Loan 89.18 76.86 64.55 52.24 39.92 Return on Equity 148.70 148.70 148.70 148.70 148.70 Interest on Working Capital 18.85 18.91 18.98 19.06 19.16 O & M Expenses 186.93 193.13 199.55 206.16 213.01 Total 576.18 570.13 564.30 558.68 553.31

Transmission Asset-III

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation 219.56 219.56 219.56 219.56 219.56 Interest on Loan 150.94 130.32 109.69 89.06 68.44 Return on Equity 244.83 244.83 244.83 244.83 244.83 Interest on Working Capital 34.82 35.03 35.26 35.52 35.80 0 & M Expenses 373.86 386.26 399.10 412.32 426.02 Total 1024.01 1016.00 1008.44 1001.29 994.65

Transmission Asset-III

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Depreciation Opening Gross Block 4161.87 4161.87 4161.87 4161.87 4161.87 Additional Capitalization 0.00 0.00 0.00 0.00 0.00 Closing Gross Block 4161.87 4161.87 4161.87 4161.87 4161.87 Average Gross Block 4161.87 4161.87 4161.87 4161.87 4161.87 Rate of Depreciation (%) 5.28 5.28 5.28 5.28 5.28 Depreciable Value 3745.68 3745.68 3745.68 3745.68 3745.68 Balance useful life of the asset 20 19 18 17 16 Elapsed life 5 6 7 8 9 Remaining Depreciable Value 2548.97 2329.40 2109.83 1890.26 1670.69 Depreciation during the year 219.57 219.57 219.57 219.57 219.57 Cumulative depreciation (incl. of AAD) 1416.28 1635.85 1855.42 2074.99 2294.56 Interest on Loan Gross Normative Loan 2913.36 2913.36 2913.36 2913.36 2913.36 Cumulative Repayments upto Previous Year 1196.71 1416.28 1635.85 1855.42 2074.99 Net Loan-Opening 1716.65 1497.08 1277.51 1057.94 838.37 Additions 0.00 0.00 0.00 0.00 0.00 Repayment during the year 219.57 219.57 219.57 219.57 219.57 Net Loan-Closing 1497.08 1277.51 1057.94 838.37 618.80 Average Loan 1606.86 1387.29 1167.73 948.16 728.59 Weighted Average Rate of Interest on Loan (%) 9.3937 9.3933 9.3935 9.3929 9.3921 Interest on Loan 150.94 130.31 109.69 89.06 68.43 Return on Equity Opening Equity 1248.51 1248.51 1248.51 1248.51 1248.51 Additions 0.00 0.00 0.00 0.00 0.00 Closing Equity 1248.51 1248.51 1248.51 1248.51 1248.51 Average Equity 1248.51 1248.51 1248.51 1248.51 1248.51 Return on Equity (Base Rate) (%) 15.500 15.500 15.500 15.500 15.500 MAT Rate for respective year(%) 20.961 20.961 20.961 20.961 20.961 Rate of Return on Equity (%) 19.610 19.610 19.610 19.610 19.610 Return on Equity 244.84 244.84 244.84 244.84 244.84 Interest on Working Capital O & M Expenses 31.14 32.18 33.25 34.35 35.49 Maintenance Spares 56.08 57.94 59.87 61.85 63.90 Receivables 170.67 169.33 168.08 166.88 165.78 Total Working Capital 257.89 259.45 261.19 263.08 265.17 Rate of Interest (%) 13.50 13.50 13.50 13.50 13.50 Interest of working capital 34.82 35.03 35.26 35.52 35.80 Annual Transmission Charges Depreciation 219.57 219.57 219.57 219.57 219.57 Interest on Loan 150.94 130.31 109.69 89.06 68.43 Return on Equity 244.84 244.84 244.84 244.84 244.84 Interest on Working Capital 34.82 35.03 35.26 35.52 35.80 O & M Expenses 373.86 386.26 399.10 412.32 426.02 Total 1024.03 1016.01 1008.45 1001.30 994.66

Deferred Tax Liability

48. The petitioner has sought recovery of deferred tax liability before 1.4.2009 from the beneficiaries or long term consumers/DICs as and when materialized. The deferred tax liability shall be dealt as per Regulations 49 of the 2014 Tariff Regulations, as amended. Accordingly, the petitioner is entitled to recover the deferred tax liability upto 31.3.2009 whenever the same gets materialized directly from the beneficiaries or long term transmission customers/DICs.

Filing Fee and the Publication Expenses

49. The petitioner has sought reimbursement of fee paid by it for filing the petition and publication expenses. The petitioner shall be entitled for reimbursement of the filing fees and publication expenses in connection with the present petition, directly from the beneficiaries on pro-rata basis in accordance with Regulation 52 (1) of the 2014 Tariff Regulations.

Licence Fee & RLDC Fees and Charges

50. The petitioner shall be entitled for reimbursement of licence fee in accordance with Regulation 52(2)(b) of the 2014 Tariff Regulations for 2014-19 tariff period. The petitioner shall also be entitled for recovery of RLDC fee & charges in accordance with Regulations 52(2)(a) of the 2014 Tariff Regulations for 2014-19 tariff period.

Service Tax

51. The petitioner has prayed for reimbursement of service tax if it is subjected to such tax in future. We are of the view that the petitioner's prayer is premature.

Sharing of Transmission Charges

52. The billing, collection and disbursement of the transmission charges approved shall be governed by the provisions of Central Electricity Regulatory Commission (Sharing of Inter-State Transmission Charges and Losses) Regulations, 2010, as amended from time to time as provided in Regulation 43 of the 2014 Tariff Regulations.

53. This order disposes of Petition No. 205.TT/2014.

Annexure - 1

Asset 1:

DETAILS OF LOAN BASED ON ACTUAL LOAN PORTFOLIO (2009-14)

(Rs. in lakh

Particulars Interest Rate (%) Loan deployed as on 1.4.2009 Additions during the tariff period Total BOND XIX-DOCO-1-FEB-2008- 9.25 260.00 0.00 260.00 BOND XIX-DOCO-1-MAY-2008- 9.25 10.00 0.00 10.00 BOND XIX-DOCO-01-JAN-2008-01-JAN-2008- 9.25 130.00 0.00 130.00 BOND XX-DOCO-1-FEB-2008- 8.93 930.00 0.00 930.00 BOND XX-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 8.93 30.00 0.00 30.00 BOND XX-DOCO-01-JAN-2008-01-JAN-2008- 8.93 300.00 0.00 300.00 BOND XXI-DOCO-01-JAN-2008- 8.73 200.00 0.00 200.00 BOND XXI-DOCO-DRAWL ON 01-FEB-2008-01-FEB-2008- 8.73 1600.00 0.00 1600.00 BOND XXI-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 0.00 200.00 0.00 200.00 BOND XXII-DOCO-1-JAN-2008- 8.68 200.00 0.00 200.00 BOND XXII-DOCO-DRAWL ON 01-FEB-2008-01-FEB-2008- 8.68 3860.00 0.00 3860.00 BOND XXII-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 8.68 1700.00 0.00 1700.00 BOND XXIV-DOCO-01-FEB-2008- 9.95 1690.00 0.00 1690.00 BOND XXIV-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 9.95 900.00 0.00 900.00 BOND XXIV-DOCO-01-JAN-2008-01-JAN-2008- 9.95 400.00 0.00 400.00 BOND XXV-DOCO-DRAWL ON 01-FEB-2008-01-FEB-2008- 10.10 2903.00 0.00 2903.00 BOND XXV-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 10.10 1200.00 0.00 1200.00 BOND XXV-DOCO-01-JAN-2008-01-JAN-2008- 10.10 24.00 0.00 24.00 BOND XXVI-ADDCAP FOR 2007-2008 31-MAR-2008- 9.30 234.00 0.00 234.00 BOND XXVI-DOCO-DRWAL ON 01-MAY-2008-01-MAY-2008- 9.30 1069.00 0.00 1069.00 BOND XXVIII-ADDCAP FOR 2008-2009-DRWAL ON 15-DEC-2008-15-DEC-2008- 9.33 791.07 0.00 791.07 BOND XXVIII-ADDCAP FOR 2008-2009-DRWAL ON 29-SEP-2008-29-SEP-2008- 9.33 763.81 0.00 763.81 BOND XXX-ADDCAP FOR 2009-2010-ADDCAP 2009-10 ACTUAL- 8.80 0.00 432.31 432.31 BOND XXX ADDCAP FOR 2010-2011 AOOCAP 2010-11-ACTUAL- 0.00 0.00 25.07 25.07 Total 19394.88 457.38 19852.26

WEIGHTED AVERAGE RATE OF INTEREST ON LOAN DURING 2009-14 TARIFF PERIOD

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Gross Opening Loan 19394.88 19827.19 19852.26 19852.26 19852.26 Cumulative Repayments of Loans upto Previous Year 0.00 0.00 1034.17 2520.84 4137.08 Net Loans Opening 19394.88 19827.19 18818.09 17331.42 15715.18 Add: Draw(s) during the Year 432.31 25.07 0.00 0.00 0.00 Less: Repayments of Loan during the year 0.00 1034.17 1486.67 1616.24 1654.36 Net Closing Loan 19827.19 18818.09 17331.42 15715.18 14060.82 Average Net Loan 19611.04 19322.64 18074.76 16523.30 14888.00 Rate of Interest on Loan (%) 9.2993 9.3004 9.3075 9.3078 9.3088 Interest on Loan 1823.69 1797.08 1682.30 1537.96 1385.89

Asset 2:

DETAILS OF LOAN BASED ON ACTUAL LOAN PORTFOLIO (2009-14)

(Rs. in lakh

Particulars Interest Rate (%) Loan deployed as on 1.4.2009 Additions during the tariff period Total BOND XIX-DOCO- 9.25 50.00 0.00 50.00 BOND XX-DOCO- 8.93 200.00 0.00 200.00 BOND XXI-DOCO- 8.73 200.00 0.00 200.00 BOND XXII-DOCO- 8.68 200.00 0.00 200.00 BOND XXIV-DOCO- 9.95 100.00 0.00 100.00 BOND XXV-DOCO- 10.10 300.00 0.00 300.00 BOND XXVI-DOCO- 9.30 519.00 0.00 519.00 BOND XXVIII-ADDCAP FOR 2008-2009 DRAWL ON 15-DEC-2008- 9.33 169.95 0.00 169.95 BOND XXX-ADDCAP FOR 2009-2010 ADDCAP 2009-10-ACTUAL 8.80 0.00 21.20 21.20 BOND XXX-ADDCAP FOR 2011-2012 ADDCAP 2011-12-ACTUAL- 0.00 0.00 9.02 9.02 Total 1738.95 30.22 1769.17

WEIGHTED AVERAGE RATE OF INTEREST ON LOAN DURING 2009-14 TARIFF PERIOD

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Gross Opening Loan 1738.95 1760.15 1760.15 1769.17 1769.17 Cumulative Repayments of Loans upto Previous Year 0.00 0.00 62.51 193.27 338.19 Net Loans Opening 1738.95 1760.15 1697.64 1575.90 1430.98 Add: Draw(s) during the Year 21.20 0.00 9.02 0.00 0.00 Less: Repayments of Loan during the year 0.00 62.51 130.76 144.92 147.44 Net Closing Loan 1760.15 1697.64 1575.90 1430.98 1283.54 Average Net Loan 1749.55 1728.90 1636.77 1503.44 1357.26 Rate of Interest on Loan (%) 9.2945 9.2973 9.3024 9.3015 9.3024 Interest on Loan 162.61 160.74 152.26 139.84 126.26

Asset 3:

DETAILS OF LOAN BASED ON ACTUAL LOAN PORTFOLIO (2009-14)

(Rs. in lakh

Particulars Interest Rate (%) Loan deployed as on 1.4.2009 Additions during the tariff period Total BOND XX-DOCO-DRAWL ON 01-JUN-2008-01-JUN-2008 8.93 20.00 0.00 20.00 BOND XXI-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008 8.73 50.00 0.00 50.00 BOND XXII-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008 8.68 200.00 0.00 200.00 BOND XXIV-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008- 9.95 200.00 0.00 200.00 BOND XXV-DOCO-01-JUL-2008- 10.10 220.00 0.00 220.00 BOND XXV-DOCO-DRAWL ON 01-JUN-2008-01-JUN-2008- 10.10 200.00 0.00 200.00 BOND XXVI-DOCO-DRAWL ON 01-JUL-2008-01-JUN-2008- 9.30 559.00 0.00 559.00 BOND XXVI-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008- 9.30 996.00 0.00 996.00 BOND XXVIII-ADDCAP FOR 2008-2009 DRAWL ON 15-DEC-2008-15-DEC-2008 9.33 582.05 0.00 582.05 BOND XXX-ADDCAP FOR 2011-2012 ADDCAP 2011-12-ACTUAL- 0.00 0.00 60.80 60.80 Total 3027.05 60.80 3087.85

WEIGHTED AVERAGE RATE OF INTEREST ON LOAN DURING 2009-14 TARIFF PERIOD

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Gross Opening Loan 3027.05 3027.05 3027.05 3087.85 3087.85 Cumulative Repayments of Loans upto Previous Year 0.00 0.00 39.18 242.94 495.20 Net Loans Opening 3027.05 3027.05 2987.87 2844.91 2592.65 Add: Draw(s) during the Year 0.00 0.00 60.80 0.00 0.00 Less: Repayments of Loan during the year 0.00 39.18 203.76 252.26 257.33 Net Closing Loan 3027.05 2987.87 2844.91 2592.65 2335.32 Average Net Loan 3027.05 3007.46 2916.39 2718.78 2463.99 Rate of Interest on Loan (%) 9.4069 9.4080 9.4022 9.3944 9.3937 Interest on Loan 284.75 282.94 274.21 255.41 231.46

Annexure - 2

Asset-1:

DETAILS OF LOAN BASED ON ACTUAL LOAN PORTFOLIO (2014-19)

(Rs. in lakh)

Particulars Interest Rate (%) Loan deployed as on 1.4.2014 Additions during the tariff period (2014-19) Total BOND XIX-DOCO-1-FEB-2008- 9.25 260.00 0.00 260.00 BOND XIX-DOCO-1-MAY-2008- 9.25 10.00 0.00 10.00 BOND XIX-DOCO-01-JAN-2008-01-JAN-2008- 9.25 130.00 0.00 130.00 BOND XX-DOCO-1-FEB-2008- 8.93 930.00 0.00 930.00 BOND XX-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 8.93 30.00 0.00 30.00 BOND XX-DOCO-01-JAN-2008-01-JAN-2008- 8.93 300.00 0.00 300.00 BOND XXI-DOCO-01-JAN-2008- 8.73 200.00 0.00 200.00 BOND XXI-DOCO-DRAWL ON 01-FEB-2008-01-FEB-2008- 8.73 1600.00 0.00 1600.00 BOND XXI-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 0.00 200.00 0.00 200.00 BOND XXII-DOCO-1-JAN-2008- 8.68 200.00 0.00 200.00 BOND XXII-DOCO-DRAWL ON 01-FEB-2008-01-FEB-2008- 8.68 3860.00 0.00 3860.00 BOND XXII-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 8.68 1700.00 0.00 1700.00 BOND XXIV-DOCO-01-FEB-2008- 9.95 1690.00 0.00 1690.00 BOND XXIV-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 9.95 900.00 0.00 900.00 BOND XXIV-DOCO-01-JAN-2008-01-JAN-2008- 9.95 400.00 0.00 400.00 BOND XXV-DOCO-DRAWL ON 01-FEB-2008-01-FEB-2008- 10.10 2903.00 0.00 2903.00 BOND XXV-DOCO-DRAWL ON 01-MAY-2008-01-MAY-2008- 10.10 1200.00 0.00 1200.00 BOND XXV-DOCO-01-JAN-2008-01-JAN-2008- 10.10 24.00 0.00 24.00 BOND XXVI-ADDCAP FOR 2007-2008 31-MAR-2008- 9.30 234.00 0.00 234.00 BOND XXVI-DOCO-DRWAL ON 01-MAY-2008-01-MAY-2008- 9.30 1069.00 0.00 1069.00 BOND XXVIII-ADDCAP FOR 2008-2009-DRWAL ON 15-DEC-2008-15-DEC-2008- 9.33 791.07 0.00 791.07 BOND XXVIII-ADDCAP FOR 2008-2009-DRWAL ON 29-SEP-2008-29-SEP-2008- 9.33 763.81 0.00 763.81 BOND XXX-ADDCAP FOR 2009-2010-ADDCAP 2009-10 ACTUAL- 8.80 432.31 0.00 432.31 BOND XXX AOOCAP FOR 2010-2011 AOOCAP 2010-11-ACTUAL- 8.80 25.07 0.00 25.07 Total 19852.26 0.00 19852.26

WEIGHTED AVERAGE RATE OF INTEREST ON LOAN DURING 2014-19 TARIFF PERIOD

(Rs. in lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Gross Opening Loan 19852.26 19852.26 19852.26 19852.26 19852.26 Cumulative Repayments of Loans upto Previous Year 5791.44 7445.80 9100.16 10754.52 12408.88 Net Loans Opening 14060.82 12406.46 10752.10 9097.74 7443.38 Add: Draw(s) during the Year 0.00 0.00 0.00 0.00 0.00 Less: Repayments of Loan during the year 1654.36 1654.36 1654.36 1654.36 1654.36 Net Closing Loan 12406.46 10752.10 9097.74 7443.38 5789.02 Average Net Loan 13233.64 11579.28 9924.92 8270.56 6616.20 Rate of Interest on Loan (%) 9.3107 9.3132 9.3165 9.3212 9.3282 Interest on Loan 1232.15 1078.40 924.66 770.92 617.17

Asset-2:

DETAILS OF LOAN BASED ON ACTUAL LOAN PORTFOLIO (2014-19)

(Rs. in lakh)

Particulars Interest Rate (%) Loan deployed as on 1.4.2014 Additions during the tariff period (2014-19) Total BOND XIX-DOCO- 9.25 50.00 0.00 50.00 BOND XX-DOCO- 8.93 200.00 0.00 200.00 BOND XXI-DOCO- 8.73 200.00 0.00 200.00 BOND XXII-DOCO- 8.68 200.00 0.00 200.00 BOND XXIV-DOCO- 9.95 100.00 0.00 100.00 BOND XXV-DOCO- 10.10 300.00 0.00 300.00 BOND XXVI-DOCO- 9.30 519.00 0.00 519.00 BOND XXVIII-ADDCAP FOR 2008-2009 DRAWL ON 15-DEC-2008- 9.33 169.95 0.00 169.95 BOND XXX-ADDCAP FOR 2009-2010 ADDCAP 2009-10-ACTUAL 8.80 21.20 0.00 21.20 BOND XXX-ADDCAP FOR 2011-2012 ADDCAP 2011-12-ACTUAL- 8.80 9.02 0.00 9.02 Total 1769.17 0.00 1769.17

Weighted Average Rate of Interest on Loan During 2014-19 Tariff Period

(Rs. in Lakh)

Particulars 2014-15 2015-16 2016-17 2017-18 2018-19 Gross Opening Loan 1769.17 1769.17 1769.17 1769.17 1769.17 Cumulative Repayments of Loans upto Previous Year 485.63 633.07 780.51 927.95 1075.39 Net Loans Opening 1283.54 1136.10 988.66 841.22 693.78 Add: Draw(s) during the Year 0.00 0.00 0.00 0.00 0.00 Less: Repayments of Loan during the year 147.44 147.44 147.44 147.44 147.44 Net Closing Loan 1136.10 988.66 841.22 693.78 546.34 Average Net Loan 1209.82 1062.38 914.94 767.50 620.06 Rate of Interest on Loan (%) 9.3041 9.3062 9.3089 9.3128 9.3185 Interest on Loan 112.56 98.87 85.17 71.48 57.78

Asset-3:

DETAILS OF LOAN BASED ON ACTUAL LOAN PORTFOLIO (2014-19)

(Rs. in lakh)

Particulars Interest Rate (%) Loan deployed as on 1.4.2014 Additions during the tariff period (2014-19) Total BOND XX-DOCO-DRAWL ON 01-JUN-2008-01-JUN-2008 8.93 20.00 0.00 20.00 BOND XXI-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008 8.73 50.00 0.00 50.00 BOND XXII-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008 8.68 200.00 0.00 200.00 BOND XXIV-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008- 9.95 200.00 0.00 200.00 BOND XXV-DOCO-01-JUL-2008- 10.10 220.00 0.00 220.00 BOND XXV-DOCO-DRAWL ON 01-JUN-2008-01-JUN-2008- 10.10 200.00 0.00 200.00 BOND XXVI-DOCO-DRAWL ON 01-JUL-2008-01-JUN-2008- 9.30 559.00 0.00 559.00 BOND XXVI-DOCO DRAWL ON 01-JUN-2008-01-JUN-2008- 9.30 996.00 0.00 996.00 BOND XXVIII-ADDCAP FOR 2008-2009 DRAWL ON 15-DEC-2008-15-DEC-2008 9.33 582.05 0.00 582.05 BOND XXX-ADDCAP FOR 2011-2012 ADDCAP 2011-12-ACTUAL- 8.80 60.80 0.00 60.80 Total 3087.85 0.00 3087.85

WEIGHTED AVERAGE RATE OF INTEREST ON LOAN DURING 2014-19 TARIFF

(Rs. in lakh)

Particulars 2009-10 2010-11 2011-12 2012-13 2013-14 Gross Opening Loan 3087.85 3087.85 3087.85 3087.85 3087.85 Cumulative Repayments of Loans upto Previous Year 752.53 1009.86 1267.19 1524.52 1781.85 Net Loans Opening 2335.32 2077.99 1820.66 1563.33 1306.00 Add: Draw(s) during the Year 0.00 0.00 0.00 0.00 0.00 Less: Repayments of Loan during the year 257.33 257.33 257.33 257.33 257.33 Net Closing Loan 2077.99 1820.66 1563.33 1306.00 1048.67 Average Net Loan 2206.66 1949.33 1692.00 1434.67 1177.34 Rate of Interest on Loan (%) 9.3936 9.3934 9.3932 9.3929 9.3925 Interest on Loan 207.28 183.11 158.93 134.76 110.58