Transmission [In Fulfilment of CEA's Obligation Under Section 3(4) of the Electricity Act 2003]
Total Page:16
File Type:pdf, Size:1020Kb
(Volume II) Transmission [In fulfilment of CEA's obligation under section 3(4) of the Electricity Act 2003] Government of India Ministry of Power Central Electricity Authority DECEMBER, 2016 (Blank page) Central Electricity Authority Draft National Electricity Plan(Vol-II) Transmission, 2016 CONTENTS Sl. No. Chapter Name Page Nos. Chapter 1 Introduction 1.1 – 1.8 1.1 National Electricity Plan 1.1 1.2 National Electricity Plan - Transmission 1.1 1.3 Transmission systems in India 1.1 1.4 Provisions of the ‘National Electricity Policy’ 1.2 1.5 Provisions of the ‘Tariff Policy’ 1.4 1.6 Provisions in CERC regulations 1.6 Chapter 2 Growth of Transmission System in India 2.1 – 2.8 2.1 Growth of transmission systems in India 2.1 2.2 Development of national grid 2.2 2.3 Growth of transmission system in physical terms 2.4 2.4 Landmark events for transmission sector 2.6 Chapter 3 Transmission Planning Philosophy and 3.1 – 3.22 Development Process 3.1 Transmission planning philosophy 3.1 3.2 Transmission development process 3.1 3.3 Transmission planning criteria 3.3 3.4 Transmission Planning Studies 3.16 Chapter 4 New Technologies in Transmission System 4.1 – 4.16 4.1 Technologies in design & construction of transmission 4.1 lines 4.2 Technologies in design & construction of substations 4.2 4.3 Adoption of new technologies in planning and grid 4.3 operation 4.4 Technologies for conserving right of way for transmission 4.6 lines 4.5 Adoption of new technologies in communication 4.6 4.6 Wide area measurement system 4.8 C.1 Chapter : Contents Draft National Electricity Plan(Vol-II) Transmission, 2016 Central Electricity Authority Sl. No. Chapter Name Page Nos. 4.7 Technologies in energy storage system 4.9 Chapter 5 Analysis & Studies For 13th Plan 5.1 – 5.69 5.1 Introduction 5.1 5.2 Peak demand projections for period up to end of 13th 5.1 plan 5.3 Growth in peak demand – state-wise 5.4 5.4 Monthly variation of peak demand 5.6 5.5 Generation capacity up to end of 13th plan 5.9 5.6 Assessment of transmission capacity requirement 5.18 5.7 Load generation balance approach 5.18 5.8 Load-generation scenarios and transmission capacity 5.19 requirements for 2021-22 5.9 Power system studies 5.28 5.10 Analysis for Base case quarterly load-generation 5.28 scenarios 5.11 Analysis and studies for integration of about 160 GW of 5.32 wind & solar 5.12 Analysis of power flow study results for integration of 5.37 RES Annex- 5.1(a) Power scenario : NR (Q1 (NR)) 5.38 Annex- 5.2(a) Power scenario : NR (Q2 (NR)) 5.39 Annex- 5.3(a) Power scenario : NR (Q3 (NR)) 5.40 Annex- 5.4(a) Power scenario : NR (Q4 (NR)) 5.41 Annex- 5.1(b) Power scenario : WR (Q1 (WR)) 5.42 Annex- 5.2(b) Power scenario : WR (Q2 (WR)) 5.43 Annex- 5.3(b) Power scenario : WR (Q3 (WR)) 5.44 Annex- 5.4(b) Power scenario : WR (Q4 (WR)) 5.45 Annex- 5.1(c) Power scenario : SR (Q1 (SR)) 5.46 Annex- 5.2(c) Power scenario : SR (Q2 (SR)) 5.47 Annex- 5.3(c) Power scenario : SR (Q3 (SR)) 5.48 Annex- 5.4(c) Power scenario : SR (Q4 (SR)) 5.49 Annex- 5.1(d) Power scenario : ER (Q1 (ER)) 5.50 Annex- 5.2(d) Power scenario : ER (Q2 (ER)) 5.51 Annex- 5.3(d) Power scenario : ER (Q3 (ER)) 5.52 Annex- 5.4(d) Power scenario : ER (Q4 (ER)) 5.53 Chapter : Contents C.2 Central Electricity Authority Draft National Electricity Plan(Vol-II) Transmission, 2016 Sl. No. Chapter Name Page Nos. Annex- 5.1(e) Power scenario : NER (Q1 (NER)) 5.54 Annex- 5.2(e) Power scenario : NER (Q2 (NER)) 5.55 Annex- 5.3(e) Power scenario : NER (Q3 (NER)) 5.56 Annex- 5.4(e) Power scenario : NER (Q4 (NER)) 5.57 Annex- 5.5(a) (Q1 (Noon High Wind)) 5.58 Annex- 5.5(b) (Q1 (Noon Low Wind)) 5.59 Annex- 5.5(c) (Q1 (Evening High Wind)) 5.60 Annex- 5.6(a) (Q2 (Noon High Wind)) 5.61 Annex- 5.6(b) (Q2 (Noon Low Wind)) 5.62 Annex- 5.6(c) (Q2 (Evening High Wind)) 5.63 Annex- 5.7(a) (Q3 (Noon High Wind)) 5.64 Annex- 5.7(b) (Q3 (Noon Low Wind)) 5.65 Annex- 5.7(c) (Q3 (Evening High Wind)) 5.66 Annex- 5.8(a) (Q4 (Noon High Wind)) 5.67 Annex- 5.8(b) (Q4 (Noon Low Wind)) 5.68 Annex- 5.8(c) (Q4 (Evening High Wind)) 5.69 Chapter 6 Review of 12th Plan Progress and Programme 6.1 – 6.114 6.1 Adequacy of on-going transmission plan 6.1 6.2 Summary of existing (IX to XII plan) transmission system 6.2 6.3 Development of HVDC systems during XII plan 6.5 6.4 Development of 765 KV systems during XII plan 6.6 6.5 Progress and programme during XII plan 6.12 6.6 Development of inter-regional transmission capacity 6.13 during the XII plan 6.7 Challenges in implementation of XII plan 6.17 Annex – 6.1(A) (Transmission lines completed during 6.19 2012-13) Annex – 6.1(B) (Sub-stations completed during 2012-13) 6.26 Annex – 6.2(A) (Transmission lines completed during 6.36 2013-14) Annex – 6.2(B) (Sub-stations completed during 2013-14) 6.43 Annex – 6.3(A) (Transmission lines completed during 6.49 2014-15) Annex – 6.3(B) (Sub-stations completed during 2014-15) 6.57 Annex – 6.4(A) (Transmission lines completed during 6.64 2015-16) Annex - 6.4(B) (Sub-stations completed during 2015-16) 6.73 C.3 Chapter : Contents Draft National Electricity Plan(Vol-II) Transmission, 2016 Central Electricity Authority Sl. No. Chapter Name Page Nos. Annex- 6.5(A) (Lines expected to commission in 2016-17) 6.84 Annex- 6.5(B) (Sub-stations expected to be completed in 6.88 2016-17) Annex- 6.6 (Challenges) 6.93 Chapter 7 Transmission System Requirement upto 2021-22 7.1 – 7.132 7.1 Formulation of transmission plan 7.1 7.2 Transmission requirement upto 2021-22 7.2 7.3 Inter-regional transmission links 7.2 7.4 Reactive compensation 7.3 7.5 Interconnection with Neighbouring countries 7.6 7.6 Transmission system planned & agreed in standing 7.9 committee meetings of five regions, including both ISTS and Intra-state transmission system 7.7 The additional transmission system submitted by some 7.9 states for their network augmentation 7.8 Expected transmission system addition during 13th plan 7.12 (i.e. 2017-22) 7.9 Cost estimate for transmission system during (2017-22) 7.12 Annex – 7.1 (Inter-regional transmission links and 7.13 capacity (MW)) Annex – 7.2 (Transmission system for period up to end of 7.16 13th plan) Annex-7.3 (Intra state transmission system up to 13th 7.49 plan) Annex-7.4 (Intra state transmission system submitted by 7.108 states) Chapter 8 Perspective Transmission Plan upto 2036 8.1 – 8.20 8.1 Background 8.1 8.2 The perspective plan 8.1 8.3 Assessment of demand 8.2 8.4 Assessment of generation capacity 8.3 8.5 Generation capacity for year 2031-32 (end of 15th plan) 8.4 8.6 Assessment of transmission capacity requirement 8.6 8.7 Transmission corridor capacity requirement for (2026-27) 8.7 8.8 Transmission corridor capacity requirement for (2031-32) 8.11 8.9 Transmission corridor capacity requirement for (2035-36) 8.15 8.10 Conclusion 8.19 Chapter 9 Cross Border Inter-Connection 9.1 – 9.14 Chapter : Contents C.4 Central Electricity Authority Draft National Electricity Plan(Vol-II) Transmission, 2016 Sl. No. Chapter Name Page Nos. 9.1 Cross border power transfer 9.1 9.2 Agreements with neighbouring countries 9.1 9.3 Existing cross border inter-connections 9.2 9.4 Under construction cross border inter-connections 9.6 9.5 Future cross border inter-connections 9.10 Chapter10 Renewable Energy in India 10.1 – 10.14 10.1 Present renewable energy scenario of India 10.1 10.2 Proposed renewable energy capacity 10.3 10.3 Behaviour of solar and wind 10.6 10.4 Correlation of wind & solar with load 10.11 10.5 Smoothening effect of diversity 10.13 Chapter11 Integration of Renewable Energy with Grid: Re 11.1 – 11.20 Balancing 11.1 Introduction 11.1 11.2 Region-wise ramp up/down of wind and solar energy 11.1 11.3 Variability of RES in western region 11.2 11.4 Variability of RES in northern region 11.14 11.5 Variability of RES in southern region 11.14 11.6 Variability of RES in eastern region 11.15 11.7 Variability of RES in north-eastern region 11.16 11.8 Variability of RES on All-India basis 11.16 11.9 Assessment of balancing capacity needed for period up 11.17 to 2021-22 Chapter12 RES Projects and Their Associated 12.1 – 12.60 Transmission System 12.1 Planning of transmission system for RES 12.1 12.2 Associated transmission system for RES projects 12.1 12.3 ATS for RES in Northern Region 12.1 12.4 ATS for RES in Western Region 12.10 12.5 ATS for RES in Southern Region 12.20 12.6 ATS for RES in Eastern Region 12.51 12.7 ATS for RES in North-Eastern Region 12.53 C.5 Chapter : Contents Draft National Electricity Plan(Vol-II) Transmission, 2016 Central Electricity Authority (Blank Page) Chapter : Contents C.6 Central Electricity Authority Draft National Electricity Plan(Vol-II) Transmission, 2016 CHAPTER - 1 INTRODUCTION 1.1 NATIONAL ELECTRICITY PLAN As per Section 3 of the Electricity Act 2003, Central Electricity Authority (CEA) has been entrusted with the responsibility of preparing the National Electricity Plan in accordance with the National Electricity Policy and notify such plan once in five years.