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POWERGID – PERSPECTIVE PLAN
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POWERGRID – Introduction POWERGRID, the Central Transmission Utility, is responsible for Establishment and Operation of Inter-state, Regional & National Power Grid Grid Management / System Operation of the five Regional Load Despatch Centres (RLDCs). Contd..
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2300 Regional Grids of India Total Capacity = 1,12,360 MW 30,860 MW 32,700 MW 16,000 30,500 MW 2300 MW
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POWERGRID & System Operation RLDCs - Responsiblities Apex Body for Integrated Grid Operation of the Region Scheduling and Despatch of Electricity on real time basis Energy Accounting Supervision and Control of Inter – State Transmission System Ensure Grid Security and adherence to Indian Electricity Grid Code(IEGC)
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RTU SUB LDC SLDC ERLDC WRLDCNRLDCSRLDCNERLDC NLDC 32 Nos. 51 Nos. 1160 Nos. Unified Grid Operation 5 Nos.
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Three RLDCs namely Northern, Southern & North-Eastern Regions have been modernised at an cost of about Rs. 1600 Crs. Mordernisation of Eastern & Western Regions RLDCs underway. Estimated cost : Rs. 564 Crs. Schedule : ER by June ’05 & WR by March’06 Modernisation of RLDCs
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Main Feature of Unified Load Despatch System Unified Supervision & Control of Grid through dedicated Communication System on real time Basis. Supervisory Control & Data Acquisition ( SCADA) Real time acquisition of critical electrical parameters like Voltage, Frequency, MW & MVAR Real Time Energy Management System Contigency Analysis Optimum Power Flow for reliability & security of the system Merit Order Operation including Hydro-Thermal Mix Load Forcasting Quick Restoration of Grid in case of disturbance Real Time Environment For Training Operators to cope with contingencies
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Modernisation of RLDCs Has Resulted Into: Considerable Improvement in System Parameters viz., Frequency & Voltage.Improvement in System Parameters Merit Order Operation, Leading to Overall Economy Merit Order Introduction of ABT (Availability Based Tariff), resulting in improved Grid stability Transparency in grid operation Quantum leap in intra and Inter Regional Power Exchange and TradingInter Regional Power Exchange and Trading Infused Grid Discipline THERE HAS BEEN NO MAJOR GRID DISTURBANCE IN LAST 22 MONTHS
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POWERGRID the Transmission Utility POWERGRID started its commercial operation in 92-93 Over 40% of total power generated ( about 45,000 MW) is wheeled by POWERGRID It operates & maintains 50,000 Ckms. of EHV Tr. System along with 82 Sub-stations at over 99% system availability. It operates & maintains 50,000 Ckms. of EHV Tr. System along with 82 Sub-stations at over 99% system availability Contd..
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POWERGRID the Transmission Utility Excellent performance is through: Robust system design after detailed studies with thrust on integrated development Deployment of Hot line maintenance technique Deployment of Hot line maintenance technique Use of Emergency Restoration System Use of Emergency Restoration System Trained and dedicated manpower with decentralized administrative powers.
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POWERGRID’s Perspective Plan Investment of Rs. 71,000 Crore in X and XI Plan (2012) Rs. 51,000 Crs. to be brought in through IR and loans Balance Rs.20,000 Crs. through private investment. National Grid National Grid of 30,000 MW capacity planned by 2012 to utilise the generation resources optimally.generation resources optimally Inter Regional Transfer Capacity Existing capacity : 8,500 MW by 2011-12 : 30,000 MW
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Benefits of Inter-Regional Exchanges Exchange of Power from Surplus to Deficit Region Higher Consumer Demand Met Better Utilisation of available Generating Capacity. Utilisation of diversity of Peak / Off-Peak period Inter-Regional exchanges 22,000 MUs valued at around Rs. 4,400 Crores (2003-04) 10,018 MUs valued at around Rs 2,000 Crores ( April’04 to July 2004 ) States Maximum benefited : Maharashtra, Gujrat Madhya Pradesh Punjab, Haryana, U.P. Karnataka, Tamilnadu, A.P. West Bengal, Orissa and NER States Improvement in system stability and grid parameters.
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TRANSMISSION FACILITIES OF POWERGRID IN WR Transmission lines :About 10,700 Ckt km. Transmission lines :About 10,700 Ckt km. 400 kV – 9700 Ckt km 220 kV – 1025 Ckt km 400 kV Substations- 7 nos. with 2835 MVA capacity (Jabalpur, Satna, Raipur, Dehgam, Mapusa, Bhadravati, Itarsi) Inter-Regional Links : 3550 MW 1000 MW, HVDC back to back link at Chandrapur 500 MW, HVDC back-to-back link at Vindhyachal 1200 MW, Raipur – Rourkela 400 kV D/c lines 220 kV lines between WR & ER ( 450 MW) and WR & NR (400 MW)
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R&D and Technology Development in POWERGRID Deployment of State-of-the-Art technology HVDC & EHVAC Transmission System upto 800 kV with multi Ckts. HVDC & EHVAC Transmission System upto 800 kV with multi Ckts. Use of fixed & variable Series Compensator (FACTS) Extra High Towers to avoid deforestation and protection of wild life Extra High Towers to avoid deforestation and protection of wild life Compact Towers to reduce Right Of Way Compact Towers to reduce Right Of Way High Temperature Conductors for increased Loading Automation of Sub-stations. Automation of Sub-stations. Compact S/stn to reduce land requirement. Compact S/stn to reduce land requirement. Satellite imagery for Transmission Line Survey. Satellite imagery for Transmission Line Survey
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Manpower And System Development 5725 employees in 92-93 and 6828 at present though Operations have grown six (6) times Operations Possible due to effective systems in Design, Engineering, Contracts, HR, O&M and Project Management. Structured training of personnel at all levels. 5 Regional Training Centers already established and plans to establish R&D and National Training Center at Bhiwadi, Rajasthan in 2 years time. Training of SEBs in Design, Operation and Maintenance of Transmission System and Load Despatch System
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POWERGRID:Undertaking Social Responsiblity The only company to adopt ESPP document with wide consultation with Public, Environmentalists, NGOs and Multilateral funding agencies. POWERGRID : First to assist whenever disaster struck. Gujarat Cyclone (1998) Gujarat Cyclone Orissa Cyclone (1999) Orissa Cyclone Gujarat Earthquake (2001) Establishment of Green S/Stn. Establishment of Green S/Stn. Establishment of Ultra modern office, Group Housing Society, School & Township. Establishment of Ultra modern office, Group Housing Society, School & Township. Oragnises annual Cultural & Art Mela Oragnises annual Cultural & Art Mela
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Transparent Policies & Procedures Well Defined “Works & Procurement Policy and Procedure”( WPP) To facilitate transparent and consistent decision making Systems and procedures detailed for Pre-Award( Vol I) and Post-Award ( Vol II) procurement activities Developed “Environmental and Social Policy & Procedures” (ESPP) First Power Sector PSU to develop such policy Developed in-house with detailed interactions with world Bank, NGOs, Funding Agencies, Govt Agencies etc. Widely appreciated by Funding agencies
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Transparent Policies & Procedures Committees of Independent Agencies POWERGRID is committed to excel in every area of its operations which is not possible unless its performance is monitored by Independent agencies. For this, following committees have been constituted: To advise on financial management, policies, systems, strategies etc. To advise on issues related with procurement, project execution and financial aspects raised by external agencies To advise on issues related to R&D For upgradation and compliance assessment of environment and social safeguards
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International Consultancy Completed Survey and Soil Investigation of 205 Kms. of transmission line in Afghanistan in Hindukush mountain Completed Survey and Soil Investigation of 205 Kms. of transmission line in Afghanistan in Hindukush mountain Consultancy for establishment of Load Despatch Center and Telecom network in Bhutan Shortlisted by the World Bank as consultant for Transmission and Load Despatch System. Consultancy projects in Ethiopia, Djibouti, Sudan, Nepal and Bangladesh under consideration
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POWERGRID’s Visionary Approach For facilitating much needed power system development in integrated and unified manner, POWERGRID is assisting: SEBs in implementation of Transmission / Sub- transmission systems SEBs in implementation of Transmission / Sub- transmission systems SEBs as Advisor cum Consultant for APDRP schemes in 18 states. Goa, Bihar, Mizoram & Meghalaya for Implementing APDRP works. Goa, Bihar, Mizoram & Meghalaya States & REC in Rural ElectrificationRural Electrification
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Assistance In Execution Of Transmission Works Assistance In Execution Of Transmission Works Implementing Vishnu Prayag Transmission system for UPPCL in snowy and hilly terrain in 36 months to match stringent commissioning schedule of generation at an Estimated cost of Rs 400 Crore Implementing Transmission line from Indira Sagar to Indore in Madhya Pradesh for MPEB in a record eight months at an Estimated cost of Rs 100 Crore Providing Engineering consultancy to POWERLINKS for implementation of Tala Transmission system Strengthening Sub-transmission System for Bihar at an Estimated cost of Rs 365 Crore Construction as well as O&M of Pondicherry & Chandigarh Transmission System.
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Assistance in execution of Distribution works Assistance in execution of Distribution works POWERGRID is Advisor cum consultant for APDRP works in 18 states POWERGRID is assisting in execution of Distribution works in Bihar, Goa, Meghalaya and Mizoram In Bihar, schemes costing about Rs. 663 cr. include : Establishment of 38 nos. of new and R&M of 200 nos. of 33/11 kV sub-stations Construction/Reconductoring of about 10000 kms. of 33 kV & 11kV lines Installation / Renovation of about 12500 nos. of Distribution Transformers In GOA, schemes costing about Rs. 175 cr. include Establishment of 3 nos. of new and R&M of 38 nos. of 33/11 kV sub-stations Construction/Reconductoring of about 850 kms. of 33 kV & 11kV lines Conversion of Overhead distribution network to Underground Cable network in 2 cities, viz. Margaon & Panjim
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Assistance in execution of Distribution works Assistance in execution of Distribution works In Meghalaya, costing about Rs. 18 cr. includes : Establishment of 3 nos. of new and R&M of 7 nos. of 33/11 kV S/s Construction/Reconductoring of about 209 kms. of 33 kV & 11kV lines In Mizoram, costing about Rs. 30 cr. includes : Establishment of 6 nos. of new and R&M of 8 nos. of 33/11 kV S/s Construction/Reconductoring of about 604 kms. of 33 kV & 11kV lines Expected Benefits : Power Supply improvement to approx. 12 lakh existing consumers Reduction in tripping by 50% Reduction in Aggregate Transmission &Commercial losses by 15%
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Attracting Private Investment Established First Public-Private JV Company in Transmission Sector with Tata for implementation of Tala Transmission system at an estimated cost of Rs 1374 Crore. Two more projects i.e. Transmission System associated with Koldam, Parbati & Maithon, Estimated to Cost Rs 1300 Crore, have been floated under JV route. Transmission lines under Western Region Strengthening scheme (Estimated Cost: Rs 4,800 Crore) is also being considered for implementation under JV route.
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Initiatives In Rural Electrification Initiatives In Rural Electrification POWERGRID, on its own, has taken initiative to assist States in Rural Electrification, the tail end of Power Sector Electrification of 2400 villages at an estimated cost of Rs 174 Crore under implementation by POWERGRID in Muzaffarpur & Vaishali District of Bihar. About 66,000 new connections shall be provided MOU signed with REC to take up Rural Electrification in time bound manner with desired economy and efficiency on long term basis. To take up such projects on National Basis (Electrification of about One lakh villages ), separate Division/Subsidiary is proposed
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To utilize spare capacity of ULDC schemes and maximize return on its transmission infrastructure, POWERGRID decided to diversify into Telecom Through an incremental investment Telecom networks on Transmission InfrastructureTransmission Infrastructure Sturdy & secure Rodent menace free Vandalism proof Only utility in the country providing overhead fibre optic cable for telecom networks DWDM/SDH equipment deployed Scalable to Terabit Capacity Obtained IP-II license in Jan 2001 and ISP Category-A license in May 2003 POWERGRID’s Diversification into Telecom
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All India Fibre Optic Network of 20,000 kms, spread over 60 cities including all Metros & major cities All India Fibre Optic Network of 20,000 kms, spread over 60 cities including all Metros & major cities Links under commercial operation Delhi-Lucknow -Mumbai Delhi-Ambala-Chandigarh-Shimla-Jallandar-Jammu Delhi- Jaipur Ahmedabad-Mumbai-Pune Mumbai-Hyderabad-Bangalore-Cochin Within NER Maintaining availability of 100% on overhead OFC network POWERGRID’s Broadband Network Complete network to be in place by 2004 ChennaiAugust, 2004 Allahabad, Kanpur, Agra August, 2004 Kolkatta, NER August, 2004 Trivandrum Sept, 2004
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Thank You
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Prior To ABT & RLDC Administration After ABT & RLDC Administration
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Profile of POWERGRID Profile of POWERGRID Back
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Inter Regional Links Inter Regional Links Present IR Capacity = 8,500 MW By the year 2012 = 30,000 MW 500 MW 1200 MW 1000MW 2000MW 500 MW Back
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Natural Energy Resources. Coal Hydro Back
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Financial Profile of POWERGRID Back
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765 kV Delta Configuration Tower
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Proposed Compact Single pole tower Mode :Noida
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Single Pole Tower
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ERS in Service- Gujarat. ERS erected across River Tapi in Gujrat, to rectify special towers endangered due to change in course of river, had a span of 860m, which is the longest span ever achieved in the world using ERS.
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ERS in Service- Gujarat… ERS erected across River Tapi in Gujrat, to rectify special towers endangered due to change in course of river, had a span of 860m, which is the longest span ever achieved in the world using ERS.
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Orissa Cyclone ( Erection of ERS)
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Remote Operation Of Bhiwadi S/S Switchyard,Bhiwadi Control Room, Ballabhgarh Control Room,Bhiwadi
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1 2 3 B
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SYNCHRONOUS OPERATION OF GRIDS 2500 Kms RLDCs AREA OF 16 lac sq.kms
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Commercial Performance 2002 - 03 (Actual) 2003 - 04 (Provisional) 2006-07 (End of 10 th plan) 2011-12 (End of 11th plan) Turn Over2533278339008700 Net Profit 643 74012603600 Gross Margin1929230133008000 Net Worth731278651150020000 Return on Net Worth 8.79% 8.54% 11% 18% Gross Block18943198003700070300 Key Financial Indicators (Rs. in Crore)
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ASSISTANCE SOUGHT Compensation for revenue loss in NER Net Budgetary Support to POWERGRID Expeditious Investment Approval NAVRATNA Status to POWERGRID Enhancement in Delegation of Power to BOD (to cover multilateral funded projects) Reduced GOI Guarantee Fee for WB/ADB/JBIC Loans Mega Power Project status to Transmission System associated with Mega generation projects/ National Grid Elements.
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ULD & C PROJECT: OBJECTIVES To have To have Greater and deeper visibility of the power system under control Greater and deeper visibility of the power system under control Better communication and co-ordination between control centers Better communication and co-ordination between control centers Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better Operations scheduling Operations monitoring and control Power system analysis A real time environment for dispatcher training A real time environment for dispatcher training
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ULD & C PROJECT: OBJECTIVES To have To have Greater and deeper visibility of the power system under control Greater and deeper visibility of the power system under control Better communication and co-ordination between control centers Better communication and co-ordination between control centers Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better Operations scheduling Operations monitoring and control Power system analysis A real time environment for dispatcher training A real time environment for dispatcher training
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WorldBank Benchmarking World Bank Benchmarking Considering POWERGRID’s exemplary performance in project execution, O&M and its growth profile, the WB has fielded its mission to benchmark POWERGRID with respect to International utilities in following areas : Procurement management Financial management Environmental & Social Safeguards
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REGIONEST. COST (Crs. Rs.) STATUSCOMPLETION SCHEDULE NORTHE RN 658.92SYSTEM UNDER OPERATION COMPLETED IN Jan 2002 SOUTHE RN 683.80SYSTEM UNDER OPERATION COMPLETED IN Jan 2002 NORTH EASTER N 263.81SYSTEM UNDER OPERATION COMPLETED IN Mar 2003 EASTER N 399.73UNDER CONSTRUCTION June’2005 WESTER N 224.72UNDER CONSTRUCTION March 2006 NLDC 94TECHNICAL SPECS. UNDER PREPARATION Dec’ 2007 IMPLEMENTATION STATUS OF REGIONAL LD&C SCHEMES
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BENEFITS OF SCHEME Reduce outages Quick localization of faults Improve restoration time Ensure efficient utilization of substation equipments Improve power quality Reduce maintenance cost Reduce loss of energy Reduce operational costs Improve customer service Better operational and management control Availability of historic data Better load planning
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Features of ER ULDC Scheme Regional Load Despatch Center- Kolkatta State Load Despatch Centres Bihar-Patna DVC-Maithon Jharkhand-Ranchi West Bengal-Howrah Sikkim-Gangtok Status Scheduled Commissioning -June’ 2005 Expected Commissioning - Dec’ 2004
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Financial Profile of POWERGRID
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