National Grid and High Capacity Corridors Avinash M. Pavgi POWERGRID May 1, 2012
Area : 1010,000 SQ KMS Population : 330 Million REGIONAL REGIONAL Peak Demand : 41 GW Max energy Consumption:280 BU INSTALLED CAPACITY GRIDS GRIDS NORTHERN :- 53.7 GW Area : 255,090 SQ KMS Population : 40 Million EASTERN :- 26.3 GW Peak Demand : 2.2GW Max energy consumption : 11BU SOUTHERN :- 52.8 GW NORT RTHERN ERN WESTERN :- 64.4 GW REGION ION NORTH-EASTERN :- 2.45 GW NORTH- EASTERN REGION TOTAL 200 GW EAST STERN ERN REGION ION WESTE TERN Area : 433680 SQ KMS REGION ION Population : 240 Million Area : 951470 SQ KMS Peak Demand : 17.2 GW Population : 244 Million Max energy consumption:105BU Peak Demand : 42.4 GW Max energy consumption :288 BU SOUTH THERN ERN Peak Demand: 136 GW REGION ION Area : 636280 SQ KMS Population : 232 Million Energy Requirement : Peak Demand : 37.2 GW 934BU Max energy consumption :250BU Total 3,287,263 sq. km area Total 3,287,263 sq. km area More than 1 Billion people More than 1 Billion people
Power System Hierarchy NLDC: Ensure integrated operation of National Grid RLDC: Ensure integrated operation of 5 Regional Grid SLDC: 31 Ensure integrated operation of State Grid
August 2006 Five Regional Grids North synchronized Two Frequencies With Central Grid March 2003 West synchronized NEW Grid With East & Northeast October 1991 South East and Northeast Grid SR Synch synchronized By 2013-14 Central Grid North East West Northeast South Installed Capacity: 200 GW Inter – Regional Capacity: Five Regional Grids 27.95 GW Renewable: 24.5 GW Five Frequencies
Transmission Network - Present • 765kV/400kV lines: about 1,11,000 ckm • 220kV lines: about 135,000 ckm • HVDC Bipole (±500kV): 8900 ckms – 4 nos. • HVDC Back-to-back: 7 nos. (3000MW)
National Grid – Present Inter-regional Capacity – 27,950MW National Grid – A Continuing Process
Projected Power Scenario Need of new initiatives in Transmission # Considering 9% GDP growth rate 205GW Present Generation Capacity & Demand - 200 GW & 136 GW ** Source- Planning commission report on IEP
Energy Resources Map Energy resources (coal, water etc.) unevenly distributed Coal – In Central India ‾ Chhattisgarh : 58000 MW Expected Installed Capacity (2025) : 6,00,000MW Jammu ‾ Orissa : 30000 MW ‾ Jharkhand : 15000 MW Ludhiana ‾ Madhya Pradesh:16000 MW SIKKIM NR Delhi NEPAL BHUTAN Partabpur Guwahati RAPP Jaipur NER Lucknow CHICKEN NECK MYANMMAR Patna Hydro – In North Eastern & Koderma BANGLA Sasan DESH ER Mudra Vindhyachal Gandhinagar Northern Himalayan region Kolkata Korba Indore Bhopal Pipavav WR Akaltara Talcher/Ib Valley Lara Raipur Darlipali Bhubaneswar Tarapur Coastal based Mumbai Vizag Girye ‾ Andhra Pradesh: 24000 MW Simhadri Hyderabad SR Tadri LEGEND ‾ Tamil Nadu : 10000 MW Kaiga Krishnapatnam Coal Based generation Ennore Hydro Based Generation ‾ Gujarat : 11000 MW Bangalore Mangalore Chennai Coastal Generation South Madras Kozhikode Nuclear generation Cuddalore Ultra-Mega Generation Load Centre Based Generation Load-Centre Kayamkulam Thiruvananthapuram Kudankulam
Future Transmission Planning Need of new initiatives in Transmission - Consideration Increased role of ISTS power transfer Need of long distance Transmission system Minimum use of land and Right-of-Way Optimal cost per MW transmission Optimal Transmission Losses Adequate margin – to cater trading, contingencies Implementation – Equipment availability, manpower
Change in Generation Profile Central Sector State Sector Private Sector Total 21222 (34%) 21355(34%) 19797(32%) 62374 XI XII 28600 (28%) 14400(15%) 57000 (57%) 100000
Development Plan
Few Major Transmission Projects Road Map for Indian Power System • Creation of 11 no. High Capacity Trans. Corridors for 55 IPPs (55,000 MW) • Ultra Trans. System for 6 UMPPs (24000MW) • Transmission system for DVC generation projects (5000MW) • Transmission system for Evacuation of power from NER & Bhutan
Proposed 11 nos. High Capacity Transmission Corridors for IPP Projects
Transmission Corridors for IPPs Sl. No. Cluster/Corridor No. of IPPs Installed Capacity LTOA Granted (MW) (MW) 1 Orissa 7 10090 6080 2. Jharkhand 5 4540 4084 3, Sikkim 9 2358 2358 4 Bilaspur+MP 6 4370 4160 5. Chattisagrh 13 15485 15185 6. Krishnapatnam 4 4600 3072 7. Tuticorin 2 2600 2045 8. Srikakulam 2 3960 3760 9. Cuddlore/Nagapattinam 3 3570 2987 10. Vemagiri 4 5400 5150 11. Common Transmission system in WR and NR Total 55 56973 48881
High Capacity Transmission Corridor PROPOSED HIGH CAPACITY TRANSMISSION CORRIDORS UNDER VARIOUS IPP'S KISHENGANGA ALISTONG AMARGARH WAGOORA PAMPORE URI-II DULHASTI URI WAMPOH SALALI&II KISHENPUR CHAMERA JAMMU SIUL PARBATI II -II III SARNA -III HAMIRPUR KOLDAM DASUYA PONG N.JHAKRI BASPA AMRITSAR RAMPUR NALLAGARH JALANDHAR K'WANGTOO TEHRI LUDHIANA PATIALA ROORKEE KURUKSHETRA MALERKOTLA POOLING STN MOGA PANCHKULA DHAULIGANGA KAITHAL SAHARANPUR DEHRADUN BAGPAT PANIPAT ROORKEE FATEHBAD SONIPAT KASHIPUR HISSAR MEERUT BAWANA MANDAULA DELHI BHIWANI JATTI KALAN BAHDURGARH MAHRANIBAGH BAREILLY DADRI ZIRO (UP) FROM SIKKIM LOWER GNOIDA RATANGARH SUBANSIRI BALLABGARH B'SAHAR MELLI B H U T A N (PG) MURADNAGAR KAMENG GURGAON TEESTA-V TALA MANESAR BAREILLY PUNATSANGCHU-I RANGANADI SIKAR LUCKNOW KATHALGURI CHUKHA ITANAGAR NEEMRANA JAIPUR MAINPURI LUCKNOW RANGIT DEOMALI BHIWADI BALIPARA GOHPUR MERTA JAIPUR GORAKHPUR(PG) GANGTOK AGRA (UP) MARIANI BASSI BISHWANATH (RSEB) RAMMAM MELLI BIRPARA BONGAIGAON TEZPUR KANPUR UNNAO SAMAGURI CHARIALI DAUSA SILIGURI DOYANG MUZAFARPUR JODHPUR MISA PANKI AURAIYA MAU ALIPURDUAR BYRNIHAT GWALIOR FATEHPUR BALIA KISHANGANJ BHILWARA PURNEA DIMAPUR ORAI KOPILI DALKHOLA ANTA BARH KHLIEHRIAT KHANDONG KANKROLI KOTA PATNA KAHAL- RAPP-C&D VARANASI BHINMAL GAON HAFLONG BIHAR- ALLAHABAD RAPP-B SHARIF MALDA OBRA BADARPUR SILCHAR IMPHAL CHITTORGARH SASARAM MAITHON FARAKKA ANPARA ZERDA SASAN NABINAGAR RB LOKTAK BINA GAYA KUMARGHAT SINGRAULI KODERMA RANCHODPURA MAITHON JIRIBAM UDAIPUR SATNA TILAIYYA DAMOH JHARKHAND NAGDA NKSTPP AGARTALA KOLASIB BACHCHAU DURGAPUR POOL AIZWAL SHUJALPUR BHOPAL JABALPUR POOL RIHAND BOKARO DEHGAM AGARTALA GPP ZEMABAWK PIRANA VINDHYACHAL MEJIA RANCHI MUNDRA KARAMSAD RAJGARH ITARSI B'SPUR JEERAT PALLATANA LIMBDI DHARAMJAYGARH INDORE ASOJ JABALPUR KORBA(W) KORBA SUBHASGRAM GBPP RAJKOT VADODRA JAMSHEDPUR WR POOL STPS SSAROVAR SATPURA KOLAGHAT AMRELI BUDHI- CHAMPA SEONI SIPAT PADAR GANDHAR JETPUR J BHARUCH RAIGARH KAWAS KHANDWA BARIPADA VALTHAN BHILAI JHARSUGUDA KORADI NAVSARI RENGALI DHULE RAIPUR MAGARWADA WARDHA TALCHER VAPI KAKRAPAR AKOLA STPS BHATAPARA KHADOLI MERAMUNDALI A'BAD BHADRAWATI KHARADPADA ANGUL CHANDRAPUR TARAPUR CHANDAKA BOISAR AURANGABAD MUMBAI LOC PADGHE INDRAVATI BEHRAMPUR NAVI MUMBAI JEYPORE KALWA PUNE PARLI(N) PUNE RAMAGUNDAM PARLI SRIKAKULAM SOLAPUR GAJWEL WARANGAL LONIKHAND SOLAPUR(PG) KARAD GAZUWAKA VEMAGIRI HYDERABAD KHAMMAM VEMAGIRI KOLHAPUR N'SAGAR VIJAYAWADA RAICHUR MAHBOOB NAGAR MUNIRABAD MAPUSA KURNOOL NARENDRA NARENDRA GOOTY KRISHNAPATANAM UMPP KAIGA NELLORE CUDDAPAH NELLORE DAVANGERE HIRIYUR TALGUPPA LEGEND KOLAR ALAMANTHI MADHUGIRI TIRUVALAM NORTH CHENNAI JV HASSAN BANGALORE Transmission Corridor for Orissa IPPs (Corridor - I) MADRAS HOSUR MALEKOTTAYUR MYSORE CHEYYUR UMPP Transmission Corridor for Jharkhand IPPs (Corridor - II) PONDICHERRY BANGALORE SALEM BAHOOR Transmission Corridor for Sikkim IPPs (Corridor - III) NAGAPATTINAM KOZIKODE ARASUR NEYVELI Transmission Corridor for Chhattisgarh & MP IPPs (Corridor - IV) NORTH TRICHUR PUGALUR TRICHY Transmission Corridor for Chhattisgarh IPPs (Corridor - V) UDUMALPET KARAIKUDI MUVATTAPUZHA Transmission Corridor for Krishnapatnam IPPs (Corridor - VI) PALLOM MADURAI TUTICORIN KAYAMKULAM TUTICORIN JV Transmission Corridor for Tuticorin IPPs (Corridor - VII) EDAMON TIRUNELVELI Transmission Corridor for Srikakulam IPPs (Corridor - VIII) TRIVANDRUM KUDANKULAM Transmission Corridor for Southern Region IPPs (Corridor - IX) Transmission Corridor for Vemagiri IPPs (Corridor - X) Transmission Corridor for Nagapattinam/Cuddalore IPPs
Integration of Supply & Consumption points through Power Expressway
Transmission Addition Programme End of 11 th Plan Tr. Lines, Voltage level Estimated additions in 12 th Plan (Ckm) (Ckm) 765 KV 7,612 25000-30000 HVDC Bi-pole 11,078 4000 - 6000 400 KV 1,25,000 50000 220 KV 1,50,000 40000 119,000 – Total Tr. Lines 2,93,852 126,000
Transmission Addition Programme End of 11 th Sub-Stn. Voltage level Estimated addition in 12 th Plan Plan (MVA/MW) (MVA/MW) 765 KV 53,000 110,000 HVDC 14,700 16,000 -22,000 400 KV 145,000 80,000 220/230 KV 230,000 95,000 Inter Regional Transfer 28,000 65,000 Capacity
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