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POWERGID – PERSPECTIVE PLAN. 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).
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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..
Regional Grids of India 30,860 MW 2300 2300 MW 16,000 32,700 MW 30,500 MW Total Capacity = 1,12,360 MW
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)
NLDC ERLDC WRLDC NRLDC SRLDC NERLDC SLDC SLDC SLDC SUB LDC SUB LDC SUB LDC RTU RTU RTU Unified Grid Operation 5 Nos. 32 Nos. 51 Nos. 1160 Nos.
Modernisation of RLDCs • 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
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
Modernisation of RLDCsHas Resulted Into: • Considerable Improvement in System Parameters viz., Frequency & Voltage. • Merit Order Operation, Leading to Overall Economy • 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 Trading • Infused Grid Discipline THERE HAS BEEN NO MAJOR GRID DISTURBANCE IN LAST 22 MONTHS
POWERGRID IN TRANSMISSION
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. Contd..
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 • Use of Emergency Restoration System • Trained and dedicated manpower with decentralized administrative powers.
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 of 30,000 MW capacity planned by 2012 to utilise the generation resources optimally. • Inter Regional Transfer Capacity • Existing capacity : 8,500 MW • by 2011-12 : 30,000 MW
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.
TRANSMISSION FACILITIES OF POWERGRID IN WR • 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)
R&D and Technology Development in POWERGRID Deployment of State-of-the-Art technology • 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 • Compact Towers to reduce Right Of Way • High Temperature Conductors for increased Loading • Automation of Sub-stations. • Compact S/stn to reduce land requirement. • Satellite imagery for Transmission Line Survey.
Manpower And System Development • 5725 employees in 92-93 and 6828 at present though Operations have grown six (6) times • 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
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) • Orissa Cyclone (1999) • Gujarat Earthquake (2001) • Establishment of Green S/Stn. • Establishment of Ultra modern office, Group Housing Society, School & Township. • Oragnises annual Cultural & Art Mela
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
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
International Consultancy • 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
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 as Advisor cum Consultant for APDRP schemes in 18 states. • Goa , Bihar, Mizoram & Meghalaya for Implementing APDRP works. • States & REC in Rural Electrification
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.
POWERGRID’s Diversification into Telecom • 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 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 Broadband Network • 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 • Complete network to be in place by 2004 • Chennai August, 2004 • Allahabad, Kanpur, Agra August, 2004 • Kolkatta, NER August, 2004 • Trivandrum Sept, 2004
Thank You Thank You
Prior To ABT & RLDC Administration After ABT & RLDC Administration
Profile of POWERGRID Back
Inter Regional Links 1200 MW 500 MW 500 MW 500 MW 1000MW Present IR Capacity = 8,500 MW By the year 2012 = 30,000 MW 2000MW Back
Natural Energy Resources. Hydro Coal Back
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.
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.
Control Room,Bhiwadi Switchyard ,Bhiwadi Remote Operation Of Bhiwadi S/S Control Room , Ballabhgarh
1 2 3 B
RLDCs SYNCHRONOUS OPERATION OF GRIDS 2500 Kms AREA OF 16 lac sq.kms
Commercial Performance Key Financial Indicators (Rs. in Crore)
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.
ULD & C PROJECT: OBJECTIVES • To have • Greater and deeper visibility of the power system under control • 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 • Operations scheduling • Operations monitoring and control • Power system analysis • A real time environment for dispatcher training
ULD & C PROJECT: OBJECTIVES • To have • Greater and deeper visibility of the power system under control • 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 • Operations scheduling • Operations monitoring and control • Power system analysis • A real time environment for dispatcher training
WorldBank 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
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