Preparing Power Distribution for “Smart” CitiesSharing our learnings…

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Torrent Power Limited | 28 Jan 2016 | New Delhi

Torrent Group : Today

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Torrent Pharmaceutical Ltd Torrent Power Limited

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

Vertically integrated Power Utility with State of the art Generating, Transmission and Distribution Facilities

Successfully rolled out Distribution Franchisee Operation at Agra and Bhiwandi

Torrent Power

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Gandhinagar

Surat

Dahej

Ahmedabad

Agra (DF)

Bhiwandi (DF)

2.95 MillionCustomer Base

14,2 BUSales

Rs 10423 CrRevenue

422 MWCoal Based Power Gen

2730 MWGas Based Power Gen

51 MWSolar Power Gen

49.6 MWWind Power Gen

1500 CktKmTransmission Network

As on 31-Mar-2015

AMGEN – Ahmedabad WindGEN – JamnagarSUGEN – Surat SolarGEN -CharaknaUNOSUGEN – Surat DGEN -Dahej

Best-in-class reliability 99.87 %

AT&C Ahmedabad: 6.7%Surat: 4.88%

Value added Services for customers

63% to 28% (5 Years)

63% to 18% (7 Years)

7500+Employees

Surat : Aspiring to be a “Smart City”

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Courtesy : Google Maps

Financial Capital of Gujarat state

90% of the world’s total rough diamond cutting and polishing

Next to Nariman Point in Mumbai in terms of power demand per Sqkms at 12 MVA

One out of two saris adorned by Indian Women is made in Surat

4th Fastest Growing City in the worldas per survey by The City Mayor Foundation License Area 52 Sqkms

Consumer Base 5.79 Lacs

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

• Accurate metering and billing

• Simple and transparent processes

• Personalized customer services through state-of-the-art technology

• 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

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Reliability

Network

Metering

Fault Mmgt

Customer Care

Network O&M

Meter Reading

Billing

Collection

Key Parameters that will define a Smart City

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Smart Technology: Seamless Connectivity

• Broadband Penetration• Location based services• GPS enable devices /

phones

Smart Infrastructure: Digital Management of Infrastructure

• Sensor Networks• Digital Water and

Waste Management

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 Citizen: Civic Digital Natives

• Use of Green Mobility Options

• Smart Lifestyle Choices• Energy Conscious

Smart Governance: Government on-the-go

• e-Government• e-Education• Disaster Management

and Crisis Management Solutions

Smart Energy: Digital Management of Energy

• Smart Grids• Smart Meters and

Sensors• Intelligent Energy

Storage

Smart Buildings: Automated Intelligent Buildings

• Building Automation Systems

• Intelligent Buildings• Advanced HVAC &

Lighting equipments

Smart Mobility: Intelligent Mobility

• Low emission mobility• Integrated mobility

solution• Multimodal transport

Credit : Frost & Sullivan Analysis

Distribution Network in Urban Areas

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Challenges for Urban Power Distribution

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Viability

Efficiency

Making distribution financially viable;Accumulated financial losses estimated to be 5 Lac crores by 2016-17

Distribution Losses > 25%; far above international standards

Adequate and reliable distribution infrastructure

Meeting expectations of ever demanding and vocal customers

Reliability

Customer Services

easier said than done … the complexity of network, consumer base, & their expectations, it’s a real challenge!!!

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Lack of IT System

Revenue Protection

Metering Irregularities

Inadequate Distribution Network

High Theft

Illegally Electrified Slums

1997Issues

the

ofConcern

Distribution Improvement Strategy and KPIs

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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 & 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 Customer-friendly procedures

• Extended working hours

• Slum Electrification

• No of DTs with high losses

• Meter Tampering cases

• Network loading

• 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

Network Energy Audit

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220/66KVGrid Station

66/11KVGrid Station

11/0.4KV DT

Energy Input

11KV Feeder Meter Data

DT Meter Data

Consumption

100% Implementation and Monitoring of Energy Audit System

Distribution Losses : If not measured, can not be managed

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Capex oriented Plan

Capex and Administrative controls

Theft of Energy

4.43%

Technical Losses

9.16%

Commercial Losses

2.13%

EHV Network Losses 0.38%

Meter Losses 0.26%

4.43%Theft of Energy

Meter Related Losses

Billing Related Losses

Losses in LT Network

Distribution

Transfomer Losses

Losses in 11 Network 1.05%

1.16%

6.31%

2.06%

0.07%

Losses in Power Transformers 0.38%

11KV Cables / OH lines 1.01%

11KV Capacitors 0.04%

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%

Slow Meters 1.64%

Stopped Meters 0.37%

Defetctive Meters 0.05%

Nil Consumption Connections 0.01%

Closed Premises 0.05%

Left Out Connections 0.01%

4.43%Theft of Energy

Losses in Power Transformers 0.38%

11KV Cables / OH lines 1.01%

11KV Capacitors 0.04%

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%

Slow Meters 1.64%

Stopped Meters 0.37%

Defetctive Meters 0.05%

Nil Consumption Connections 0.01%

Closed Premises 0.05%

Left Out Connections 0.01%

4.43%Theft of Energy

Distribution

Losses

15.72%

(1998-99)

Uprating Bulk Import Points & EHV Substations

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66/11KV GSS (Prior to 1997) 66/11KV GSS (Post Takeover) 220/66/11KV GSS (Supply Point)

Maximum Demand (MW)

1997 2015

274

629129%

No of Consumers (Lacs)

1997 2015

3.28

5.7977%

Bulk Supply Capacity (MVA)

1997 2015

320

960200%

Power X-mation Capacity (MVA)

1997 2015

320

1040225%

Upgrading EHV Network

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Additional 5 State of the Art Substations at load centres

Additional 11 KV feeders

Reduced length of 11KV Fdrs

66/11KV Substations

Fully integrated system in place for System Control, Call Center, O&M Offices & Local Complaint Centers

Load Management

Identify bottlenecks in transformation capacity at EHV S/S, Systematic plan for capacity enhancement,facilitate efficient distribution

66/11 KV Transformation

Capacity

No of 11KV Feeders

1997 2015

125

378202%

11KV Feeder Capacity (MVA)

1997 2015

625

1890202%

11KV Network

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More number of 11KV feeders

Less number of DTs per feeder

Reduced length of feeders

11KV Feeders

Load balancing on 11KV feeders

Reactive Power Compensation

SCADA and Remote Monitor

O&M of 11KV Network

Long Term Planning of HV Network; High Voltage Distribution Network; SOPs for DTC sites and LT Network; LT Network Planning Criteria

Planning of 11KV Network

Avg 11KV Feeder Length (KMs)

1997 2015

4.37

3.86

-11%

Distribution Transformers

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Increase in DTR Density

Reduced number of customer per DTCs

Energy Efficient DTs

Adding more number of DTRs

More number of LT Distributors

Reduced loading on LT Distributors

Creating Redundancy in LV

Networks

Load balancing among DTRs

Load Balancing across phases

Condition Monitoring of DTs

Revamping of DTRs

No of DTs

1997 2015

835

2352182%

DT Capacity (kVA)

1997 2015

507

1323161%

LV Network

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Systematic plan to convert overhead network to underground

Secured, intrusion-proof and reliable

Undergrounding of LV Network

Load balancing on LV feeders

Reactive Power Compensation

Regular assessment of loading

Monitoring of LV networks

Specific planning criteria LV network; Restricted length and loading of LT Cables; More number of small sizes of DTC; Monitoring of HT/LT Ratio

Planning of LV Network

2008 2010

Ratio of HT / LT Network

1997 2015

0.32

0.5366%

Energy Meters for Retail Consumers

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Redefining the Energy Meters Specification to counter the emerging tampering techniques

Revamping of Metering Installations

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No system is perfect or secured but a system not designed to cope with connivance can not ever be

Meter-to-Cash System

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Tamperproof metering

Installation Practices

Specific focus on High Value Consumers

Metering System

Customer Touch Points

Strengthening Legal System

Removing external interferences

Revenue Management

ERP based Billing System

Pre and Post Auditing Process

Closed monitoring of billing

End-to-end Indexing

Billing System

Meter Failure / Defective (%)

2015

9.8%

2.3%

0.9%

-7.9%

20102005

Collections (%)

2015

92.6%

99.8%7.2%

1999

IT Solutions - Systems in place

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ERP System

Customer Information System (CIS)

Centralized Meter

Management System (MMS)

Integrated Revenue

Protection and Recovery System (IRPR)

Customer Indexing System

Transformer Sales Gap Analysis

Network Audit

Metering System

Billing Analysis System

Communication Backbone

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• 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

System Reliability

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Enhancement in Transformation capacity, Additional 11V feeders / DT for new loads and load optimization

System Upgrade

Fully computerized OMS

24 x 7 Fault Management and Control Centre

Mobile field force to rapidly responds to outages

Outage Management

Revamping of DT centres

Condition Mentoring

Bringing value added technology and systems

Preventive Maintenance

SAIFI (Avg No of Outages per Year)

2015

24.9

9.8

3.3

21.6 Nos

SAIDI (Avg Hrs of Outage per Year)

2015

24.5

4.51.8

22.7 Hrs

2005 2010

2005 2010

Distribution Efficiency

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Relieving overloaded feeders; Reactive Power Compensation; Additional feeders and DT capacity, reinforcement of network

System Upgrade

Non-discriminatory enforcement; energy audit and intelligence gathering; Removal of illegal connections and wires

Vigilance and Enforcement

Accurate metering; meter reading and billing; Exceptional reporting; effective Disconnection on non-payment of bills

Commercial Systems and

Processes

2008 2010

Distribution Losses (%)

1997 2015

16.47%

11.11%

6.13%4.88%

11.6%

2005 2010

Preparing for Smart Cities

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Thank You

• 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