Preparing Power Distribution for Smart Cities Sharing our learnings Torrent Power Limited 28 Jan 2016 New Delhi 1
Torrent Group : Today Torrent Pharmaceutical Ltd Manufacturing Facilities in Gujarat, Himachal Pradesh and Sikkim State-of-the-art R & D Center in Ahmedabad Facilities approved by regulatory bodies of USA, UK, Germany, Australia & South Africa Torrent Power Limited Vertically integrated Power Utility with State of the art Generating, Transmission and Distribution Facilities Successfully rolled out Distribution Franchisee Operation at Agra and Bhiwandi 2
Torrent Power As on 31-Mar-2015 Best-in-class reliability 99.87 % Gandhinagar Agra (DF) 63% to 28% (5 Years) Customer Base Sales 2.95 Million 14,2 BU AT&C Ahmedabad: 6.7% Surat: 4.88% Ahmedabad Dahej Revenue Coal Based Power Gen Rs 10423 Cr 422 MW Value added Services for customers Surat Bhiwandi (DF) 63% to 18% (7 Years) Gas Based Power Gen Solar Power Gen Wind Power Gen 2730 MW 51 MW 49.6 MW Transmission Network 1500 CktKm Employees 7500+ AMGEN Ahmedabad SUGEN Surat UNOSUGEN Surat DGEN -Dahej WindGEN Jamnagar SolarGEN -Charakna 3
Surat : Aspiring to be a Smart City Financial Capital of Gujarat state Next to Nariman Point in Mumbai in terms of power demand per Sqkms at 12 MVA 90% of the world s total rough diamond cutting and polishing One out of two saris adorned by Indian Women is made in Surat 4 th Fastest Growing City in the world as per survey by The City Mayor Foundation License Area Consumer Base 52 Sqkms 5.79 Lacs Courtesy : Google Maps 4
What customers expect from Power Distributor? Adequate power supply / No power cuts and load shedding Reliable power supply Quality power with minimum voltage regulation and voltage dips and surges Reliability Fault Mmgt Meter Reading Accurate metering and billing Simple and transparent processes Personalized customer services through state-of-the-art technology Network Network O&M Billing Safe and accident free network Improved aesthetics of the distribution network Expectations of quick turn-around without any delay Confidence of utility to deliver value for money Metering Customer Care Collection 5
Key Parameters that will define a Smart City Smart Energy: Digital Management of Energy Smart Technology: Seamless Connectivity Smart Grids Smart Meters and Sensors Intelligent Energy Storage Broadband Penetration Location based services GPS enable devices / phones Smart Buildings: Automated Intelligent Buildings Building Automation Systems Intelligent Buildings Advanced HVAC & Lighting equipments Smart Infrastructure: Digital Management of Infrastructure Sensor Networks Digital Water and Waste Management Smart Mobility: Intelligent Mobility Low emission mobility Integrated mobility solution Multimodal transport Smart Healthcare: Intelligent Healthcare Technology Use of ehealth and mhealth systems Intelligent & connected medical devices Smart Security: Safe City Surveillance Biometrics Crime Prediction and response Smart Governance: Government on-the-go e-government e-education Disaster Management and Crisis Management Solutions Smart Citizen: Civic Digital Natives Use of Green Mobility Options Smart Lifestyle Choices Energy Conscious Credit : Frost & Sullivan Analysis 6
Distribution Network in Urban Areas 7
Challenges for Urban Power Distribution Reliability Adequate and reliable distribution infrastructure Distribution Losses > 25%; far above international standards Efficiency Customer Services Meeting expectations of ever demanding and vocal customers Making distribution financially viable;accumulated financial losses estimated to be 5 Lac crores by 2016-17 Viability easier said than done the complexity of network, consumer base, & their expectations, it s a real challenge!!! 8
Illegally Electrified Slums High Theft Metering Irregularities 1997 Issues Concern the of Lack of IT System Inadequate Distribution Network Revenue Protection 9
Distribution Improvement Strategy and KPIs Reliability & Quality of Supply Mitigate the power shortages Capacity addition Revamping distribution network Better load monitoring and Management Conversion of overhead networks by underground network Condition Monitoring System Customer Services Customer Relationship Management System Outage Management 24 x 7 Call Center Customer Convenience Center Transparent and Customerfriendly procedures Extended working hours System Efficiency Identifying areas of leakages Robust Meter-to-Cash System Accurate Metering and Defective Meter Replacement Revenue Protection and Assurance system Expediting legal connections / load extensions Reliability Parameters Redundancy at 33KV & 11KV No of Underground networks Repeated Fuse-off Complaint No of metering complaints Performance targets Extent of IT Implementation Customer Perception Index Slum Electrification No of DTs with high losses Meter Tampering cases Network loading 10
Network Energy Audit 220/66KV Grid Station Energy Input 66/11KV Grid Station 11KV Feeder Meter Data DT Meter Data Consumption 11/0.4KV DT 11 100% Implementation and Monitoring of Energy Audit System
Distribution Losses : If not measured, can not be managed EHV Network Losses 0.38% Losses in Power Transformers 0.38% Losses in 11 Network 1.05% 11KV Cables / OH lines 1.01% 11KV Capacitors 0.04% Distribution Losses 15.72% Technical Losses 9.16% Distribution Transfomer Losses Losses in LT Network 1.16% 6.31% Meter Losses 0.26% DTR-No Load Losses 0.38% DTR-Load Losses 0.78% LT Cables / Conductors 6.08% Contact Resistance / Fuse Losses 0.20% LT Capacitor 0.03% Meter Losses 0.26% Capex oriented Plan (1998-99) Meter Related Losses 2.06% Slow Meters 1.64% Stopped Meters 0.37% Commercial Losses 2.13% Billing Related Losses 0.07% Defetctive Meters 0.05% Nil Consumption Connections 0.01% Closed Premises 0.05% Left Out Connections 0.01% Capex and Administrative controls Theft of Energy 4.43% Theft of Energy 4.43% Theft of Energy 4.43% 12
Uprating Bulk Import Points & EHV Substations Maximum Bulk Supply Demand Capacity (MW) (MVA) 129% 200% 629 960 274 320 1997 2015 No Power of Consumers X-mation Capacity (Lacs) (MVA) 77% 225% 5.79 1040 3.28 320 66/11KV GSS (Prior to 1997) 66/11KV GSS (Post Takeover) 220/66/11KV GSS (Supply Point) 1997 2015 13
Upgrading EHV Network No of 11KV Feeders 66/11KV Substations Additional 5 State of the Art Substations at load centres Additional 11 KV feeders Reduced length of 11KV Fdrs 202% 378 125 66/11 KV Transformation Capacity Identify bottlenecks in transformation capacity at EHV S/S, Systematic plan for capacity enhancement, facilitate efficient distribution 1997 2015 11KV Feeder Capacity (MVA) 202% 1890 Load Management Fully integrated system in place for System Control, Call Center, O&M Offices & Local Complaint Centers 625 1997 2015 14
11KV Network 11KV Feeders More number of 11KV feeders Less number of DTs per feeder Reduced length of feeders Avg 11KV Feeder Length (KMs) Planning of 11KV Network Long Term Planning of HV Network; High Voltage Distribution Network; SOPs for DTC sites and LT Network; LT Network Planning Criteria 4.37-11% 3.86 O&M of 11KV Network Load balancing on 11KV feeders Reactive Power Compensation SCADA and Remote Monitor 1997 2015 15
Distribution Transformers No of DTs Adding more number of DTRs Increase in DTR Density Reduced number of customer per DTCs Energy Efficient DTs 182% 2352 835 Revamping of DTRs Load balancing among DTRs Load Balancing across phases Condition Monitoring of DTs 1997 2015 DT Capacity (kva) 161% 1323 Creating Redundancy in LV Networks More number of LT Distributors Reduced loading on LT Distributors 507 1997 2015 16
LV Network Undergrounding of LV Network Systematic plan to convert overhead network to underground Secured, intrusion-proof and reliable Ratio of HT / LT Network Planning of LV Network Specific planning criteria LV network; Restricted length and loading of LT Cables; More number of small sizes of DTC; Monitoring of HT/LT Ratio 66% 0.32 2008 2010 0.53 Monitoring of LV networks Load balancing on LV feeders Reactive Power Compensation Regular assessment of loading 1997 2015 17
Energy Meters for Retail Consumers Redefining the Energy Meters Specification to counter the emerging tampering techniques 18
Revamping of Metering Installations No system is perfect or secured but a system not designed to cope with connivance can not ever be 19
Meter-to-Cash System Meter Failure / Defective (%) Metering System Tamperproof metering Installation Practices Specific focus on High Value Consumers 9.8% -7.9% 2.3% ERP based Billing System 0.9% Billing System Pre and Post Auditing Process Closed monitoring of billing End-to-end Indexing 2005 Collections (%) 2010 2015 7.2% 99.8% Revenue Management Customer Touch Points Strengthening Legal System Removing external interferences 92.6% 1999 2015 20
IT Solutions - Systems in place Customer Information System (CIS) Billing Analysis System Centralized Meter Management System (MMS) Network Audit Metering System ERP System Integrated Revenue Protection and Recovery System (IRPR) Transformer Sales Gap Analysis Customer Indexing System 21
Communication Backbone Proprietary FOC network covering all the EHV substations and offices Ring Main System Currently being used for Data and Voice Communication SCADA Transmission Line Protection Adequate redundant capacity for Smart Grid Applications Minimum one Ethernet connectivity with n-1 redundancy available in Geographic Area of 4 Sqkms Three Layer communication Architecture envisaged for Smart Grid Implementation 22
System Reliability SAIFI (Avg No of Outages per Year) System Upgrade Enhancement in Transformation capacity, Additional 11V feeders / DT for new loads and load optimization 24.9 9.8 21.6 Nos Preventive Maintenance Revamping of DT centres Condition Mentoring Bringing value added technology and systems 3.3 2005 2010 2015 SAIDI (Avg Hrs of Outage per Year) 24.5 22.7 Hrs Fully computerized OMS Outage Management 24 x 7 Fault Management and Control Centre Mobile field force to rapidly responds to outages 4.5 1.8 2005 2010 2015 23
Distribution Efficiency System Upgrade Relieving overloaded feeders; Reactive Power Compensation; Additional feeders and DT capacity, reinforcement of network Distribution Losses (%) Commercial Systems and Processes Accurate metering; meter reading and billing; Exceptional reporting; effective Disconnection on non-payment of bills 16.47% 11.11% 2008 2010 6.13% 11.6% 4.88% Vigilance and Enforcement Non-discriminatory enforcement; energy audit and intelligence gathering; Removal of illegal connections and wires 1997 2005 2010 2015 24
Preparing for Smart Cities Capacity Building A key to Smart Distribution and Smart Cities Deployment of appropriate Distribution Management Strategy Network Development Policies and Guidelines Sustainable Business Models : Evaluation of options including PPP or Privatization of Power Distribution A Time-bound implementation and monitoring system Thank You 25