POWER SYSTEM OPERATION CORPORATION LIMITED SOUTHERN REGIONAL LOAD DESPATCH CENTER BANGALORE

1. 15th Tcc / 16th srpc meeting Venue: GOA Date: 29th / 30th April 2011 POWER SYSTEM OPERATION CORPORATION LIMITED SOUTHERN REGIONAL LOAD DESPATCH CENTER BANGALORE 1

2. NEW PROJECTS OF NTPC, NLC, NPCIL & UMPP SL NO 1 OF TCC

3. NTPC SIMHADRI STAGE - II(2 X 500) SL NO 1.1 OF TCC

4. NTPC SIMHADRI STAGE - II • MoP conveyed the allocation of Power from Simhadri Stage II to beneficiary states. • Units I test synchronised in March 2011 & COD yet to be declared. • Units II likely to be commissioned by June 2011 • Scheduling of Simhadri Stage II will be done by SRLDC w.e.f COD • Data / Speech communication to SRLDC is made operational & under testing • Till the date of COD of Simhadri Stage – II • Simhadri shall regulate infirm power injection as per SRLDC instruction on real time basis

5. NPCIL KUDANKULAM STAGE 1 (2 X 1000) SL NO 1.3 OF TCC

6. NPCIL–KUDANKULAM STAGE I • NPCIL informed that for Kudankulam all equipment's are in place at site and the commissioning activities are in full flow. • Units I & II are likely to be commissioned by June 2011 & March 2012. • In Special TCC held on 3rd Jan 2011. NPCIL Informed Reactor of 1st Unit was likely to go critical by March 2011and generation was expected from April 2011 • SPS & Speech facilities to be provided - Permission given by TN for placing MUX - SRTS -2 to confirm the status / probable date of completion • SEM & SCADA Data Validation to be done by NPCIL – Observed error of 16kV between Field and Scada data at Kudankulam bus • Commissioning of Bus Reactor at Kudankulam is essential for ensuring availability of reliable start up supply. • The parallel closing of second line between Tirunelvelli – Kudankulam will be at 410 kV and Opened at 425 kV SRPC TN REPLY

7. VALLUR JOINT VENTURE BETWEEN NTPC & TNEB ( 3 X 500) SL NO 1.4 OF TCC

8. VALLUR JOINT VENTURE BETWEEN NTPC & TNEB (3X500) • Unit sizes of 500 MW. • TANTRANSO had informed that commissioning of the 1st unit could be delayed by 2-3 months because of issues regarding the coal handling plant. • MoP vide letter dated 28th September 2010 had communicated the allocations to the beneficiaries states as given: Allocation: AP: 178.8 MW KAR: 111.5 MW KER: 49.9 MW TN: 1040.6 MW Pondy: 6.7 MW Unallocated: 112.5 MW Nellore – Allmatty D/C Study Results Nellore – Allmatty D/C Study Report

9. JOINT VENTURE OF NLC& TNEB AT TUTICORN (2 X 500) SL NO 1.5 OF TCC

10. Joint Venture of NLC & TNEB at Tuticorin • NLC had informed that orders had been placed on M/s BHEL and civil works had commenced. • MoP had communicated allocations to the beneficiary States. • NLC had informed that with the action plan given by M/s BHEL, Units I & II were scheduled to be commissioned during August 2012 & October 2012 respectively.

11. KAYAMKULAM 1950 MW/ 1950 MW SL NO 1.6 OF TCC

12. KAYAMKULAM 1950 MW/1050 MW PLANT • Feasibility report for the project had been finalized by NTPC. • Pipeline from Kochi Terminal to Kayamkulam was being developed by M/s GAIL. • GoI had circulated drafts on price pooling mechanism. Price of LNG was linked with prices of crude oil. The unit rate was likely to be Rs. 3.75 - Rs. 4.00 per unit in the present scenario where crude oil prices ranging between $ 70-80/barrel. • Requisition from KPTCL & KSEB received by NTPC. • Conditional consent communicated to NTPC by APTRANSCO. • TANTRANSCO & Puducherry – Presently price pooling mechanism not very clear, would be interested in case tariff was advantageous.

13. NLC NEW THERMAL POWER PROJECT(2X 500) SL NO 1.7 OF TCC

14. Neyveli New Thermal Power Project (2x500 MW) • Director (Power ),NLC had informed that the project was likely to take 40 months after PIB approval and was targeted to be commissioned in 2014. PIB approval was likely in the next six months. • MOP vide letter dated 29th October 2010 had communicated allocation of power from this project • PGCIL informed NLC had applied for connectivity. NLC had been requested to apply for LTA also to take up planning of evacuation scheme • Tamil Nadu had informed that this being a replacement project since Tamil Nadu was loosing 600 MW , entire 1000 MW from the new project to be allocated to them.

15. Neyveli New Thermal Power Project (2x500 MW) • TNEB’s share was 100% in Neyveli Stage 1. • Old plant was commissioned in 1962. • Present Evacuation Plan is at 230/110kV • Designed for evacuating 600MW. • Since 2 x 500MW plant is coming up, inter connection to 400kV is desirable. • Wheeling issue

16. KRISHNAPATTANAM UMPP(3960 MW) SL NO 1.8 OF TCC

17. KRISHNAPATTINAM UMPP Madugiri TN UMPP Cochin 400kV D/C QUAD MOOSE 765 KV KRISHNAPATTANAM UMPP(3960 MW)

18. KRISHNAPATTANAM UMPP(3960 MW) • The unit configuration had been finalized as 6 x 660 MW and CERC had been approached for revised configuration, clearance awaited. • CMD, APTRANSCO had informed that about Rs. 300 Crores had already been invested and progress was their in all the fronts. • Project is being developed by Reliance Power Limited. • The plant may come up beyond 2014.

19. Schedule Date of Commissioning of the Central Sector/JV Projects

20. PAYMENT OF CHARGES OF TNEB OWNED TRANSFORMERS AT SRIPERUMBUDUR & SALEM SL NO 2 OF TCC

21. PAYMENT OF CHARGES OF TNEB OWNED Xmers AT SRIPERUMBUDUR & SALEM • Discussed in 13th Commercial Sub-Committee meeting held on 19th July 10 whereas PCKL had agreed to put up a draft computation for the tariff. • In the 14th SRPC meeting, it was noted that TCC had agreed that the proposal prepared by PCKL be deliberated in details by the Special Commercial Committee before being put up to TCC/SRPC. • Matter was further deliberated in the Special Commercial Sub-Committee meeting held on 29th Sep 10 wherein it was noted that proposal from PCKL was awaited, while APTRANSCO had also submitted their proposal on the issue. • Outcome of the 14th commercial Sub – Committee meeting • TNEB would compute the charges for the period from 1.4.1991 to 31.12.2011 in line with norms prevailed during the period and the Commercial Sub-Committee would validate the same for subsequent approval of TCC/SRPC.

22. MAINTENANCE OF MARCONI MAKE SDH EQUIPMENT SL NO 3 OF TCC

23. MAINTENANCE OF MARCONI MAKE SDH EQUIPMENT • TN to Expedite Commissioning of their system to Coincide with SR2, PowerGrid Plan Microwave Details Wide band Failure Minutes 12th Jan 10

24. EXISTING WIDEBAND NETWORK UNDER SOUTHERN REGION ULDCPROJECT Ramagundam Peddapally Durshed Jammikunta Gazuwaka Ch. Gutta Shapur Nagar Warangal Sub-LDC Vidyut Soudha 36 134 11 Ghanapur Visakapantam SWS 147 Hydearbad SLDC (400) 46 Tallapally 147 Kakinada 99 63 Srisailam LBPH 12 Bommur N’ Sagar PH 66 Srisailam PH 217 Bhimadole 87 17 VTPS 104 Vijayawada Sub-LDC Karnool Hubli Sub-LDC 20 Somayajula Pally 76 Gooty 58 Ananthapur Davanger Sub-LDC Muddanur 98 Chinakam Pally Sub-LDC (Cuddaph) 57 302 CHENNAI SLDC Kumbalagodi Somanhally KPTCL SLDC Sriperabudur 181 30 B’LORE RSCC LEGENDS: Salem 400 S.P. Koil 19 156 Kannur Sub-LDC Salem 230 Villianur 111 RSCC Neyveli-I Pondicherry SCC 64 Kozhokode B Panruti SLDC Erode Sub-LDC 93 Chidambaram Trichur North Sub-LDC/ SCC Ingur Myladuthurai 31 140 Chalakudy Trichy 230 RTU / Wideband location Pongalur 130 Kovilvenni 26 Repeater Station Udumalpet Kalamassery SLDC Thiruvarur F. O. Link (ULDC) Adankottai Orthanadu Vaikkam F. O. Link (APTRANSCO) Thirumayam Pallom Pudukottai Kayamkulam M.W. Link (ULDC) Karaikudi Madurai 400 Kundara Sivaganga M.W. Link (TNEB) Paripally Madurai Sub-LDC Trivandrum North VSAT link (KPTCL) Vidyuthi Bhavanam Sub-LDC Colour Code C.S. links (ULDC) Constituents links (ULDC) APTRANSCO links CORPORATE LD&C DEPT.

25. Proposed Solution for replacement of Existing Microwave Links installed under Southern Region ULDC Project Ramagundam Durshed Shapur Nagar Ch. Gutta Gazuwaka Warangal Sub-LDC 11 134 36 Vidyut Soudha Ghanapur Visakapantam SWS 147 Hyderabad SLDC (400) 46 147 Tallapally Kakinada 99 63 12 Srisailam PH N’ Sagar PH Bommur 66 217 Srisailam LBPH 87 87 87 Bhimadole 17 VTPS 104 Vijayawada Sub-LDC Karnool Hubli Sub-LDC 20 Somayajula Pally 76 Gooty 58 Ananthapur Davanger Sub-LDC Muddanur 98 Chinakam Pally Sub-LDC (Cuddaph) 57 302 KPTCL SLDC Somanhally CHENNAI SLDC Sriperabudur 181 30 B’LORE RSCC Salem 400 S.P. Koil 19 156 Kannur Sub-LDC Salem 230 111 Pondicherry SCC 64 Villianur Kozhikode B Neyveli-I Erode Sub-LDC 93 Trichur North Ingur Myladuthurai 140 31 Chalakudy 130 Trichy 230 Udumalpet 26 Kalamassery SLDC Thiruvarur Pudukottai Pallom Madurai Sub-LDC Kayamkulam Karaikudi Kundara Trivandrum North Madurai 400 Vidyuthi Bhavanam Sub-LDC Total OPGW = 1214kms Total UGFO = 210 kms LEGEND RSCC SLDC Sub-LDC/ SCC RTU / Wideband location F.O Link (ULDC) F.O. Link (APTRANSCO) OPGW Link (existing) Proposed UGFO link Proposed OPGW link Proposed Radio link VSAT LINK (KPTCL)

26. Constraints In SR System SL NO 4 OF TCC

27. KOODANKULAM UNIT 1- JUN 11 UNIT 2- MAR 12 NLY-2 EXPN UNIT1- MAR 11 UNIT-2 JUN 11 NLMNG CHITOOR KOLAR HOODY ALMATHI HASSAN SP-BUDUR S’HALLI HOSUR KALIVENDAPATTU MYSORE BAHOOR KOZHIKODE SALEM NEYVELI NLY-EXP ARASUR NLY2-EXP PUGALUR THRISSUR UDUMALPET TRICHY KARAIKUDI COCHIN MADURAI MULTI-CIRCUIT TOWER ON 220 KV EDAMON-KAYATHAR CORRIDOR EDAMON-TNVL WOULD BE AT 220 KV TO BEGIN WITH EDAMON TRANSMISSION SYSTEMS IN SR IN PROGRESS TIRUNELVELI TRIVANDRUM KOODANKULAM

28. 400 KV D/C MYSORE-KOZHIKODE a) Reduce losses by ~ 8MW b) Enhance margin across constrained S1-S2 corridor. c) Enhanced reliability for N. Kerala (an issue at present) d) Relief for Thrissur(Madakathara) transformer ( Fully loaded) e) Relief on loading of Idukki-LP-Madakathana 220 KV lines g) Enhanced transfer capability to Kerala, opportunity to conserve hydro.

29. Losses 830.4MW 400 KV D/C MYSORE-KOZHIKODE STUDY • WITH OUT KOZHIKODE-MYSORE D/C • GEN AT IDDUKKI ABOUT 520MW MYSORE NELAMANGALA 173 MWx2 227x2 MW HOOTAGALLY 191 MW 13 MW KADAKOLA KOZHIKODE TK HALLI 104 MW KANIYAMPET 72 MW 48 MW KANAKPURA HORAHALLI 105 MW AREACODE 173 MW 106 MW 139 MW SOMANAHALLI NALLALAM 111 MW TRICHUR KANJIRODE

30. Coal Stock Position SL NO 5 OF TCC Normative Vs DC DC vs Actual

31. Coal Stock Position ( As on 27-Apr-11)

32. Issues Related to Transmission Schemes Agreed in Standing Committee SL NO 6 OF TCC

33. HOSUR-ELECTRONIC CITY 400KV D/C TRANSMISSIN LINE 400kV lines In standing committee meeting it is proposed to Utilise the ROW of 220kV Yerandahalli-Hosur line for 400kV Hosur-Electronic City D/C line KOLAR KPTCL Director (Transmission) had stated that KPTCL would examine some alternate transmission system for Electronic city. HOSUR ELECTRONIC CITY SOMANAHALLI YERANDAHALLI HOSUR-ELECTRONIC CITY 400KV D/C TRANSMISSIN LINE 400kV lines In 28th standing committee meeting it is proposed to Utilise the ROW of 220kV Yerandahalli-Hosur line for 400kV Hosur-Electronic City D/C line KOLAR KPTCL Director (Transmission) had stated that KPTCL would examine some alternate transmission system for Electronic city to avoid ROW problems HOSUR ELECTRONIC CITY SOMANAHALLI YERANDAHALLI KPTCL had been requested to explore possibility of establishing 400kV S/S at their existing 220kV S/S at Yerandahalli to solve the ROW problem.

34. 400 KV D/C HOSUR-ELECTONIC CITY • PGCIL to do joint survey with KPTCL, if necessary latest stringing methodology would be adopted. • KPTCL informed that critical RoW issues existed at two locations. • CE (Trans.) Bangalore had been nominated from KPTCL side for joint survey. • APTRANSCO had requested to furnish cost implication on account of adoption of unconventional technology.

35. Transmission Capability of HVDC Back to Back stations SL NO 7 OF TCC

36. Transmission Capability of HVDC Back to Back stations • In 57th OCCM of SRPC, SRLDC had clarified that it would not be able to certify the past cases as PDO was in service during that period and constituents had to take a decision in this regard

37. ULDC Requirements Beyond 2011 SL NO 8 OF TCC

38. LTSA FOR SR –ULDC SCHEME • Maintenance for comprehensive software and hardware maintenance support for EMS/SCADA system supplied under SR-ULDC scheme with two year extension is going to expire on 31-12-2011. • As the upgradation process will take quite a time, as per the request of constituents SRLDC has obtained the quote from M/s GE for extending the AMC by one year with a provision for one more year for further extension if required. • SRLDC seeks approval of constituents to go ahead with the proposal with negotiation as the rate quoted by M/s. GE was 30% (Approx) higher than the present AMC charges

39. AMC CHARGES OF SR ULDC SCHEME FOR THE PRESENT AND PROPOSED BY M/S GE

41. Automatic Data Reading (AMR) /Collection SL NO 10 OF TCC Analysis Details

42. IEGC RELATED ISSUES SL NO 11 OF TCC

43. RGMO SL NO 11.1 OF TCC

44. RGMO

45. RGMO RGMO analysis: 1.Droop >30% considered as non response for RGMO 2. Ramagundam Unit #5, 6, & 7 generation is in the range of 102 to 105% 2. On all instances Idukki, Varahi, Nagjhari, Lower Sileru, Sharavati, Sengulam, Kundah –I,II,III are responding for immediate increase and decrease. (Units already in FGMO) 3. In adequate response from thermal generating units 4. Mostly hydro generating units responded (which is under FGMO) 5. In adequate response leading to system insecurity Hence petition will be filed by SRLDC to CERC during next month Case Study Response Summary Mandated And Declared Summary Summary

46. Automatic Demand Management Scheme SL NO 11.2 OF TCC

47. Automatic Demand Management Schemes Extracts from IEGC dated 28th April 2010 Clause 5.4.2 (d) Quote: The SLDC through respective State Electricity Boards/Distribution Licensees shall also formulate and implement state-of-the-art demand management schemes for automatic demand management like rotational load shedding, demand response (which may include lower tariff for interruptible loads) etc. before 01.01.2011, to reduce overdrawl in order to comply para 5.4.2 (a) and (b) . A Report detailing the scheme and periodic reports on progress of implementation of the schemes shall be sent to the Central Commission by the concerned SLDC. All the Constituents are requested to Operationalize Unquote: Status

48. Automatic Load Shedding Scheme for Overdrawing Constituents at frequency less than 49.5Hz SL NO 11.3 OF TCC

49. In the 14th SRPC Meeting held at Cochin, Constituents had agreed to Implement the Load Shedding Scheme for over drawing constituents to avert frequency falling below 49.5 Hz with the following quantum • APTRANSCO had been identified 800 MW and tested for remote tripping. • TANTRANSCO had been identified 647MW and made operational • KSEB had identified 125 -250 MW • KAR had identified 384MW ( Max) • PONDY to furnish the feeder details. • The Quantum of Load relief through Radial feeder is due for revision. Excel Computation Status

50. Arranging Interruptible Loads in four groups SL NO 11.4 OF TCC