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220 Kv D/C Rangpo-New Melli Line and Associated Bays at Rangpo and New Melli Alongwith One No

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220 Kv D/C Rangpo-New Melli Line and Associated Bays at Rangpo and New Melli Alongwith One No CENTRAL ELECTRICITY REGULATORY COMMISSION NEW DELHI Petition No. 183/TT/2016 Coram: Shri Gireesh B. Pradhan, Chairperson Shri A.K. Singhal, Member Shri A.S. Bakshi, Member Dr. M.K. Iyer, Member Date of Order: 14.11.2017 In the matter of: Approval of transmission tariff of Asset-I: 220 kV D/C Rangpo-New Melli Line and associated bays at Rangpo and New Melli alongwith one no. 220 kV Bus Coupler Bay each at Rangpo and New Melli, Asset-II: 1 no. 31.5 MVAR Bus Reactor (1st) at New Melli and associated bay and Asset-III:1 no. 31.5 MVAR Bus Reactor (2nd) at New Melli and associated bay, under Sikkim Generation Projects-Part-B in Eastern Region for 2014-19 tariff block under Regulation 86 of Central Electricity Regulatory Commission (Conduct of Business) Regulations, 1999 and Central Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2014. And in the matter of: Power Grid Corporation of India Limited "Saudamini", Plot No.2, Sector-29, Gurgaon -122 001 ……Petitioner Vs 1. Gati Infrastructure Chuzachen Limited, 1-7-293, MG Road, 268, Udyog Vihar, Phase-IV, Secunderabad, Andhra Pradesh-500 003 2. Gati Infrastructure Bhasmay Power Limited, 1-7-293, MG Road, 268, Udyog Vihar, Phase-IV, Secunderabad, Andhra Pradesh-500 003 3. PTC India Limited, 2nd Floor, NBCC Tower, 15, Bhikaji Cama Place, New Delhi 4. Lanco Energy Private Limited, Plot No. 397, 2nd Floor, Udyog Vihar, Phase-III, Gurgaon, Haryana-120 016 Page 1 of 64 Order in Petition No.183/TT/2016 5. Dans Energy Private Limited, 5th Floor, DLF Building No. 8, Tower C, DLF Cyber City Phase-II, Gurgaon, Haryana-122 002 6. Jal Power Corporation Limited, 405-406, Raja House, 30-31, Nehru Place, New Delhi-110 019 7. Madhya Bharat Power Corporation Limited, NH-31-A, Golitar, Singtam, Gangtok-737 134, Sikkim 8. Bihar State Power (Holding) Company Limited, (Formerly Bihar State Electricity Board-BSEB), Vidyut Bhawan, Bailey Road, Patna-800 001 9. West Bengal State Electricity Distribution Company Limited, Bidyut Bhawan, Bidhan Nagar, Block DJ, Sector-II, Salt Lake City, Kolkata-700 091 10. Grid Corporation of Orissa Limited, Shahid Nagar, Bhubaneswar-751 007 11. Damodar Valley Corporation, DVC Tower, Maniktala Civil Centre, VIP Road, Kolkata-700 054 12. Power Department, Govt. of Sikkim, Gangtok-737 101 13. Jharkhand State Electricity board, In Front of Main Secretariat, Doranda, Ranchi-834 002 …...Respondents For Petitioner: Shri S.K. Venkateshan, PGCIL Shri S.S. Raju, PGCIL Shri Rakesh Prasad, PGCIL Shri Ramchandra, PGCIL For Respondents: Shri Aniket Prasoon, Advocate for LANCO Shri Abhishek Kumar, Advocate for LANCO Page 2 of 64 Order in Petition No.183/TT/2016 ORDER The present petition has been filed by Power Grid Corporation of India Limited (“the petitioner”) seeking approval of transmission charges of Asset-I: 220 kV D/C Rangpo-New Melli Line and associated bays at Rangpo and New Melli alongwith one no. 220 kV Bus Coupler Bay each at Rangpo and New Melli, Asset-II: 1 no. 31.5 MVAR Bus Reactor (1st) at New Melli and associated bay and Asset-III: 1 no. 31.5 MVAR Bus Reactor (2nd) at New Melli and associated bay (hereinafter referred to as “transmission assets”) under Sikkim Generation Projects-Part-B in Eastern Region, from the date of commercial operation to 31.3.2019 based on the Central Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2014 (hereinafter referred to as “the 2014 Tariff Regulations”). 2. This order has been issued after considering the petitioner‟s affidavits dated 20.1.2017, 25.4.2017, 30.5.2017 and 14.7.2017. 3. The petitioner was entrusted with the implementation of transmission system for transfer of power from generation projects in Sikkim to NR/WR Part-B. The system requirements alongwith Part-A and Part-C were discussed and agreed in the 27th SCM of NR held on 30.5.2009 and 29th SCM of WR held on 10.9.2009. Further, the scope of the system was also discussed in the 16th ERPC and TCC meeting held on 17.12.2010 and 18.12.2010. The Investment Approval (IA) and expenditure sanction for the transmission project was accorded by the Board of Directors of the petitioner vide Memorandum No C/CP/Sikkim Generation Projects-Part-B dated 17.3.2011 at an estimated cost of `158512 lakh including an IDC of `10183 lakh (based on 3rd Qtr 2010 price level). The Page 3 of 64 Order in Petition No.183/TT/2016 scope of work covered under the project was broadly as under:- Transmission Lines: a. LILO of Teesta III-Kishanganj 400 kV D/C line (quad) (line being constructed under JV route) at Rangpo :22.5km (21 km D/C+1.5 km multi circuit portion) b. Rangpo-New Melli 220 kV D/c line (with twin Moose conductor) {20.5 km D/C+1.5 km multi circuit portion (2 Ckts. of 220 kV Line with twin Moose and 2 Ckts. of 132 kV line i.e. portion of LILO of Gangtok-Rangit 132 kV S/C line at Rangpo)} : 22 km c. LILO of Gangtok-Rangit 132 kV S/C line at Rangpo and Termination of Gangtok-Rangpo/Chuzachen and Melli-Rangpo/ Chuzachen 132 kV line at Rangpo (with Zebra conductor)-1 km, Termination of Gangtok- Rangpo/Chuzachen and Melli-Rangpo/Chuzachen 132 kV line at Rangpo (with Panther conductor)-0.5 km and Termination of Gangtok- Rangpo/Chuzachen and Melli-Rangpo/Chuzachen 132 kV line at Rangpo multi circuit portion (2 Ckts. of 132 kV line with ACSR Zebra and 2 Ckts. of 132 kV line with ACSR Panther)-1 km (Gangtok-Rangpo/Chuzachen and Melli-Rangpo/Chuzachen 132 kV lines to be constructed under part-A through LILO of Gangtok-Melli 132 kV S/C line upto Rangpo : 3 km d. LILO of Teesta IV-Siliguri 400 kV D/C line at Rangpo : 2.5 km (1km D/C+1.5 km Multi circuit portion) e. Kishanganj-Patna 400 kV D/C (quad) line :351 km Sub-stations: a. Establishment of 400/220/132 kV GIS Sub-station at Rangpo with 16x105 MVA, 400/220 kV 1-Ø transformers and 3x100 MVA, 220/132 kV 1-Ø transformers b. Establishment of 220 kV Gas Insulated switching station at New Melli c. Extension of bays at Kishanganj 400/220 kV sub-station d. Extension of bays at Patna 400/220 kV sub-station. 4. The petitioner, vide affidavit dated 25.4.2017, has submitted the Revised Cost Estimate (RCE) of the project at `191360 lakh including IDC of `18916 lakh (based on April 2016 price level), as approved in the 338th meeting of Board of Directors of the petitioner held on 10.3.2017. The scope of work covered under the project as per RCE is as under:- Page 4 of 64 Order in Petition No.183/TT/2016 Transmission Lines: a. LILO of one circuit of Teesta III-Kishanganj 400 kV D/C line (HTLS twin) (line being constructed under JV route) at Rangpo (including multi circuit portion); b. Rangpo-New Melli 220 kV D/c line (with single HTLS conductor) {including multi circuit portion (2 Ckts. of 220 kV Line with twin Moose and 2 Ckts. of 132 kV line i.e. portion of LILO of Gangtok-Rangit 132 kV S/C line at Rangpo)}; c. LILO of Gangtok-Rangit 132 kV S/c line at Rangpo and d. Termination of: a) Gangtok-Rangpo/Chuzachen and Melli-Rangpo/Chuzachen 132 kV line at Rangpo (with Zebra conductor); b) Gangtok-Rangpo/Chuzachen and Melli-Rangpo/Chuzachen 132 kV line at Rangpo (with Panther conductor) and c) Gangtok-Rangpo/Chuzachen and Melli-Rangpo/Chuzachen 132 kV line at Rangpo multi circuit portion (2 Ckts. of 132 kV line with ACSR Zebra and 2 Ckts. of 132 kV line with ACSR Panther). e. LILO of Teesta IV-Siliguri 400 kV D/C line at Rangpo (including Multi circuit portion); f. Kishanganj-Patna 400 kV D/C (quad) line. Sub-stations: a. Establishment of 400/220/132 kV GIS Sub-station at Rangpo with 16x105 MVA, 400/220 kV 1-Ø transformers and 3x100 MVA, 220/132 kV 1-Ø transformers; b. Establishment of 220 kV GIS station at New Melli; c. Extension of bays at GIS Kishanganj 400/220 kV sub-station; d. Extension of bays at Patna 400/220 kV sub-station. Reactive Compensation Line Reactors (400 kV) Transmission Line From end To end Kishanganj-Patna 400 kV D/C 1x80 MVAR (on each Ckt.) 1x63 MVAR (on each Ckt.) (Quad) Switchable line reactors Switchable line reactors Bus Reactors: a. Rangpo 400 kV-2x80 MVAR b. New Melli 220 kV-2x31.5 MVAR c. Patna 400 kV-1x125 MVAR Page 5 of 64 Order in Petition No.183/TT/2016 5. The petitioner had initially claimed approval of the transmission charges from the anticipated dates of commercial operation (COD) for instant assets in Petition No. 530/TT/2014. However, as 180 days had expired on 5.6.2015 after filing of Petition No. 530/TT/2014 and the assets were not commissioned, the tariff was not allowed for instant assets in Petition No. 530/TT/2014. The petitioner was directed, vide order dated 29.2.2016 in Petition No. 530/TT/2014, to file a fresh petition after the commissioning of Assets-I, and III as per Regulation 7(ii) of the 2014 Tariff Regulations. 6. The details of the assets of the project covered in other petitions are as under:- Srl.
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