STATION OWNER UNIT NO. UNIT CAPACITY (MW) TYPE

Updated on 20.06.2011 LIST OF UNITS IN NER THAT REQUIRE APPROVAL OF OCC AS WELL AS NERLDC FOR PLANNED SHUT DOWN & MANUAL DESYNCHRONISATION / SYNCHRONISATION. TRIPPING OF THESE UNITS ALSO NEED TO BE INTIMATED TO NERLDC. SL NO STATION OWNER UNIT NO. UNIT CAPACITY (MW) TYPE 1 KHANDONG HEP NEEPCO 1 & 2 25 HYDEL 2 KOPILI ST II HEP NEEPCO 1 25 HYDEL 3 DOYANG HEP NEEPCO 1, 2 & 3 25 HYDEL 4 AGBPP (KATHALGURI) NEEPCO 1, 2, 3 & 4 33.66 G.T. 5 AGBPP (KATHALGURI) NEEPCO 5 & 6 35.01 G.T. 6 AGBPP (KATHALGURI) NEEPCO 7, 8 & 9 30 STEAM 7 A G T P P ( R C NAGAR) NEEPCO 1, 2, 3 & 4 21 G.T. 8 LOKTAK HEP NHPC 1, 2, & 3 35 HYDEL 9 KOPILI HEP NEEPCO 1, 2, 3 & 4 50 HYDEL 10 RANGANADI HEP NEEPCO 1, 2 & 3 135 HYDEL LIST OF UNITS IN NER WHOSE SHUTDOWN, SYNCHRONISATION, TRIPPINGS AND MANUAL DESYNCHRONISATION NEED INTIMATION TO NERLDC. SL NO STATION OWNER UNIT NOS. UNIT CAPACITY (MW) TYPE 1 UMIUM ST 1 HEP MeSEB 1, 2, 3 & 4 9 HYDEL 2 UMIUM ST II HEP MeSEB 1 & 2 9 HYDEL 3 UMIUM ST III HEP MeSEB 1 & 2 30 HYDEL 4 UMIUM ST IV HEP MeSEB 1 & 2 30 HYDEL 5 LANGPI HEP ASSAM 1,2 50 HYDEL 6 LTPS ASSAM 1-7 15/30 G.T. 7 NTPS ASSAM 1-6 23/30 G.T. 8 LIKIMRO HEP NAGALAND 1, 2 & 3 8 HYDEL 9 BARAMURA TRIPURA 4,5 21 G.T. 10 ROKHIA TRIPURA 3-8 8/21 G.T. 11 GUMTI TRIPURA 1-3 5 HYDRO 1

LIST OF LINES / ICTs / REACTORS WHOSE PLANNED SHUTDOWNS REQUIRE APPROVAL IN OCC, (TRIPPINGS / SWITCHINGS OF THESE ELEMENTS ALSO NEED INTIMATION TO / APPROVAL OF NERLDC) CENTRAL SECTOR LINES A. 400 kv LINES OWNER 1 MISA BALIPARA D/C POWERGRID 2 BALIPARA BONGAIGAON D/C POWERGRID 3 BALIPARA RANGANADI D/C POWERGRID B. 220 kv LINES 1 MISA KATHALGURI S/C POWERGRID 2 MISA MARIANI S/C POWERGRID 3 MARIANI KATHALGURI S/C POWERGRID 4 BTPS SALAKATI D/C POWERGRID 5 KOPILI MISA D/C POWERGRID 6 KOPILI MISA III POWERGRID 7 MISA SAMAGURI D/C POWERGRID 8 MISA DIMAPUR D/C POWERGRID C. 132 kv LINES 1 KHANDONG HAFLONG S/C POWERGRID 2 HAFLONG JIRIBAM S/C POWERGRID 3 KHANDONG KHLIERIAT I & II POWERGRID 4 KHLIERIAT BADARPUR S/C POWERGRID 5 BADARPUR JIRIBAM S/C POWERGRID 6 BADARPUR KOLASIB S/C POWERGRID 7 BADARPUR KUMARGHAT S/C POWERGRID 8 JIRIBAM AIZAWL S/C POWERGRID 9 AIZAWL KUMARGHAT S/C POWERGRID 10 LOKTAK JIRIBAM II POWERGRID 11 DIMAPUR IMPHAL S/C POWERGRID 12 R C NAGAR AGARTALA D/C POWERGRID 13 GOHPUR NIRJULI S/C POWERGRID 14 AIZAWL ZEMABAK S/C POWERGRID 15 IMPHAL (PG) IMPHAL (MANIPUR) S/C POWERGRID 16 KOPILI KHANDONG D/C POWERGRID 17 DIMAPUR DOYANG D/C POWERGRID 18 KHLIERIAT (PG) KHLIERIAT (MeSEB) I POWERGRID 19 R C NAGAR KUMARGHAT S/C POWERGRID 20 RANGANADI NIRJULI S/C POWERGRID 21 AIZAWL KOLASIB S/C POWERGRID 22 BADARPUR PANCHGRAM S/C POWERGRID 23 RANGANADI ZIRO S/C POWERGRID 24 LOKTAK IMPHAL (PG) S/C POWERGRID 25 BALIPARA KHUPI S/C NEEPCO 26 KHUPI KIMI S/C NEEPCO D. INTER REGIONAL LINES 1 400 kv BONGAIGAON NEW SILIGURI D/C POWERGRID 2 220 kv BIRPARA SALAKATI D/C POWERGRID 2

LIST OF LINES /ICTS /REACTORS WHOSE PLANNED SHUTDOWNS REQUIRE APPROVAL IN OCC (TRIPPINGS / SWITCHINGS OF THESE ELEMENTS ALSO NEED INTIMATION TO /APPROVAL OF NERLDC) CENTRAL SECTOR ICT / OTHER ELEMENTS E. ICT (INTER CONNECTING TRANSFORMER) OWNER 1 400/220 kv, 1X315 MVA at MISA POWERGRID 2 400/220 kv, 1X315 MVA at BALIPARA POWERGRID 3 400/220 kv, 1X315 MVA at BONGAIGAON POWERGRID 4 220/132 kv, 2X100 MVA at DIMAPUR POWERGRID 5 220/132 kv, 2X50 MVA at SALAKATI POWERGRID 6 132/33 kv, 2X10 MVA at NIRJULI POWERGRID 7 132/33 kv, 1X15 MVA at ZIRO POWERGRID 8 400/132 kv, 2X360 MVA at RANGANADI NEEPCO 9 220/132 kv, 60 MVA at KOPILI NEEPCO 10 220/132 kv, 160 MVA at KOPILI NEEPCO 11 220/132 kv, 2X50 MVA at BALIPARA NEEPCO / AEGCL F. LINE REACTORS 1 BONGAIGAON: 2X63 MVAR at 400 kv (For NEW SILIGURI I & II) POWERGRID 2X50 MVAR at 400 kv (For BALIPARA I & II) POWERGRID 2 BALIPARA: 2X63 MVAR at 400 kv (For BONGAIGAON I & II) POWERGRID 2X50 MVAR at 400 kv (For RANGANADI I & II) POWERGRID 3 MISA: 1X50 MVAR at 400 kv (For KATHALGURI LINE) POWERGRID 1X50 MVAR at 400 kv (For MARIANI LINE) POWERGRID G. BUS REACTORS 1 BONGAIGAON : 2X50 MVAR at 400 kv POWERGRID 2 BALIPARA : 50 MVAR at 400 kv POWERGRID 3 MISA : 50 MVAR at 400 kv POWERGRID 4 AIZAWL : 20MVAR at 132 kv, POWERGRID 5 KUMARGHAT : 20 MVAR at 132 kv POWERGRID H. TERTIARY REACTORS 1 BONGAIGAON : 2X25 MVAR at 33 kv POWERGRID 2 BALIPARA : 4X25 MVAR at 33 kv POWERGRID 3 MISA : 4X25 MVAR at 33 kv POWERGRID 3

LIST OF LINES /ICTS /REACTORS WHOSE PLANNED SHUTDOWN REQUIRE APPROVAL IN OCC (TRIPPINGS / SWITCHINGS OF THESE ELEMENTS ALSO NEED INTIMATION TO / APPROVAL OF NERLDC) STATE SECTOR LINES / ICT / OTHER ELEMENTS A. 220 kv LINES OWNER 1 SAMAGURI SARUSAJAI D/C AEGCL 2 BALIPARA SAMAGURI S/C POWERGRID/AEGCL 3 BTPS-AGIA D/C AEGCL 4 AGIA-SARUSAJAI S/C AEGCL 5 AGIA-BOKO S/C AEGCL 6 BOKO-SARUSAJAI S/C AEGCL B. 132 kv LINES 1 BALIPARA-GOHPUR S/C AEGCL 2 BTPS DHALIGAON D/C AEGCL 3 UMIAM NEHU S/C MECL 4 NEHU KHLIERIAT S/C MECL 5 NEHU NEIGRIHMS S/C 6 NEIGRIHMS-KHLIERIAT S/C 7 UMIUM ST I UMIUM ST III D/C MECL 8 UMIUM ST III UMTRU D/C MECL 9 LUMSHNONG KHLIEHRIAT S/C MECL 10 KHLIERIAT (PG) KHLIERIAT (MeSEB) II MECL 11 UMTRU UMIUM STG-IV D/C MECL 12 UMIUM ST I UMIAM S/C MECL 13 SARUSAJAI UMTRU D/C AEGCL/ MECL 14 P K BARI KUMARGHAT S/C TESCL 15 AGARTALA DHALABIL (KHOWAI) S/C TSECL 16 DHALABIL KAMALPUR S/C TSECL 17 KAMALPUR P K BARI S/C TSECL 18 LOKTAK NINGTHOUKHONG MANIPUR 19 DIMAPUR (PG) DIMAPUR (NAGALAND) D/C NAGALAND 20 UMTRU KAHILIPARA D/C AEGCL/ MECL 21 LUMSHNONG PANCHGRAM S/C AEGCL/ MECL 22 DULLAVCHERRA DHARMANAGAR S/C AEGCL/TSECL 23 KOHIMA KARONG S/C MANIPUR/NAGALAND 24 MARIANI-MOKOKCHANG S/C AEGCL/NAGALAND 25 MARIANI GOLAGHAT S/C AEGCL 26 DIMAPUR BOKAJAN S/C AEGCL/NAGALAND 27 BOKAJAN - GOLAGHAT S/C AEGCL 28 AGARTALA BODHJANNAGAR S/C TSECL 29 BODHJANNAGAR JIRANIA S/C TSECL 30 JIRANIA GAMAITILA S/C TSECL 31 GAMAITILA AMBASA S/C TSECL 32 AMBASA-KAMALPUR S/C TSECL 4

33 AMBASA-PK BARI S/C TSECL C. ICT (INTER CONNECTING TRANSFORMER) 1 3X50 MVA, 220/132 kv at SAMAGURI AEGCL 2 3X100 MVA, 220/132 kv at SARUSAJAI AEGCL 3 2X80 MVA, 220/132 kv at BTPS AEGCL 4 2X100 MVA, 220/132 kv at MARIANI AEGCL 5 1X50 MVA, 220/132 kv at BALIPARA AEGCL 6 1X160 MVA, 220/132 kv at BTPS AEGCL LIST OF LINES / ICTS/ REACTORS WHOSE SHUTDOWNS / TRIPPINGS / SWITCHINGS REQUIRED APPROVAL OF / INTIMATION TO NERLDC ONLY. STATE SECTOR LINES / ICT / OTHER ELEMENTS A. 220 KV LINES OWNER 1 SAMAGURI MARIANI D/C AEGCL 2 KATHALGURI TINSUKIA S/C AEGCL 3 KATHALGURI DEOMALI S/C ARUNACHAL PRADESH 4 MISA-BYRNIHAT D/C MECL B. 132 KV LINES 1 DHALIGAON - NALBARI S/C AEGCL 2 DHALIGAON BARNAGAR S/C AEGCL 3 RANGIA - NALBARI S/C AEGCL 4 RANGIA - BARNAGAR S/C AEGCL 5 RANGIA - KAHILIPARA S/C AEGCL 6 RANGIA SISHUGRAM S/C AEGCL 7 SISHUGRAM KAHILIPARA S/C AEGCL 8 SARUSAJAI KAHILIPARA Q/C AEGCL 9 JIRIBAM - PAILAPOOL S/C AEGCL 10 SRIKONA - PAILAPOOL S/C AEGCL 11 SRIKONA - PANCHGRAM S/C AEGCL 12 PANCHGRAM - DULLAVCHERRA S/C AEGCL 13 LTPS NTPS D/C AEGCL 14 TINSUKIA DIBRUGARH S/C AEGCL 15 TINSUKIA - NTPS S/C AEGCL 16 DIBRUGARH MORAN S/C AEGCL 17 LTPS MORAN S/C AEGCL 18 LTPS MARIANI S/C AEGCL 19 MAWLAI - NEHU S/C MECL 20 NEHU NEIGRIHMS S/C MECL 21 NEIGRIHMS KHLIEHRIAT S/C MECL 22 KHLIEHRIAT KHLIEHRIAT II MECL 23 UMIUM ST I MAWLAI S/C MECL 24 NEHU MAWLAI S/C MECL 25 UMIUM ST III UMIUM ST IV D/C MECL 26 BALIPARA-DEPOTA AEGCL 5

27 P K BARI - DHARMANAGAR S/C TSECL 28 LOKTAK RENGPANG MANIPUR 29 RENGPANG JIRIBAM MANIPUR 30 NINGTHOUKONG IMPHAL S/C MANIPUR D. BUS REACTORS 1 MARIANI - 2X12.5 MVAR AEGCL 2 SAMAGURI - 2X12.5 MVAR AEGCL 6