Metering situation & perspectives in STEG DAGHFOUS Rached
1- TUNISIA GENERAL OVERVIEW Lying at the meeting point of the eastern and western Mediterranean, only 87 miles from Europe, across the strait of Sicily, Tunisia occupies a strategic geographic position. Its proximity to Europe, coupled with its place in Africa and the Arab world, makes the country an attractive site for investment and business.
2- HISTORY IN BRIEF 814 BC : Foundation of Carthage by the Phoenician 647 : Advent of the Arab Islamic period : Foundation of KAIROUAN 1574 : Tunisia becomes part of the Ottoman Empire 1956 : Independence from France ( First republic : President HABIB BOURGUIBA) 1987 : Second republic ( President ZINE El ABIDINE BEN ALI )
3- - STEG STEG STATUS STEG STATUS 3 STEG STEG was founded in 1962 as an industrial public utility. Its main activities are gas and electricity Production, Transmission and Distribution.
4- 4- STEG GENERAL OVERVIEW ( STEG GENERAL OVERVIEW ( 2005 ) 2005 ) Number of employees 9950 3250 MW Installed power capacity Gas availability 3620 KTEP Number of electricity customers 2690 000 250 000 Number of gas customers Company net sales (Million $) 1000
5 - NATIONAL CONTEXT 5 - ATIONAL CONTEXT • A national target for competitiveness • Northern African network connected to Europe via Spain since 1998 • European electricity market under liberalization • The first steps of electricity production privatisation ( the first IPP project in operation in 2001) • High electricity demand growth rate : proxy. 5% / year
6- 6- STEG CHALLENGES STEG CHALLENGES � To contribute to the national ambition for competitiveness � to pursue our effort meeting electricity and gas demand � to focus on gas development Customer Customer Customer Customer Human Human Human Human oriented oriented oriented oriented consideration consideration consideration consideration management management management management Goal Goal Goal Goal � to improve our quality of service manag manag ement ement manag manag ement ement Process Process Process Process Quality Quality Quality Quality management management management management Total Total Total Total insurance insurance insurance insurance quality quality quality quality ch ch ch ch allenge allenge allenge allenge � to maintain low tariffs Work Work Work Work Continuous Continuous Continuous Continuous team team team team improvement improvement improvement improvement Human Human Human Human Informatio Informatio Informatio Informatio n n n n ressources ressources ressources ressources system system system system M M anagement anagement M M anagement anagement � to diversify our fields of activities based on based on based based facts facts facts facts
7- METERING & AUTOMATIC METER READING/MANAGEMENT In STEG
7.1 - ORIENTATIONS • Installation of Electronic meter for industrial customers ( accuracy 0.5 & 1 ) and for tertiary , residential ( I > 32 A ) , pumping, water heating ( accuracy 2 ) • Automatic Meter Management for all industrial customers • Introduction of Hand Haled Unit for local meter reading • Automatic meter reading using PLC, RADIO, IEC 62056-31 bus , ….. • Introduction of the prepayment meter
7.2 - TARGETS • REDUCING TECHNICAL LOSSES • REDUCING NON TECHNICAL LOSSES •REDUCING METER READING COSTS • NEW ITEMS FOR CUSTOMERS
7.2.1 - REDUCING TECHNICAL LOSSES � Replacement of the old electrome- chanical meter by electronic meter � Installation of electronic meter for industrial customers
a) REPLACEMENT THE METERS OF INDUSTRIAL CUSTOMERS Number of Industrial Customers equipped with electronic meter 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 2004 2005 2006 2007 Number of industrial customers (2007) : 15 000
b) REPLACEMENT THE METERS OF RESIDENTIAL & TERTIARY CUSTOMERS Number of residential ; pumping,water heating and tertiary Customers equipped with electronic meter 120000 100000 80000 60000 40000 20000 0 2005 2006 2007 Number of customers ( 2007 ) : 2 800 000
7.2.2 - REDUCING NON TECHNICAL LOSSES a) Actions to reduce cheating , clandestine connection , defective meter and jamming meter : • campaign of verification and sealing the meters • transparent cover for mechanical meter
b) Actions to reduce absence of the customers , Omission/oversight of the billing : 1) Existent installation : removing the meter from in side to out side 2) new installation : the meter is installed out side in a plastic box.
3) Introducing Automatic Meter Reading of LV customers ( pilots ) PLC/Radio/Bus Euridis Euridis PLC/Radio/Bus Substation LV/MV
7.3 - REDUCING METER READING COSTS 7.3.1 - Acquisition of Automatic and programmable Metering Data Management System • The automatic and programmable Metering Data Management System ( SATURNE ) purchased is for industrial customers . • the platform is for reading 5500 meters ( extensible for 20000 meters ) • the platform is installed in September 2006
Platform saturne HUB/MAU NIC % UTILIZATION TAB R D G F I E A J K 7 M N O B C L 8 9 PRINT RUN E NTER BNC D G G G D D HELP 4Mb/s D 0 V WX G T 2 3 U Y Z . ALPHA S HIFT HUB/ MAU NIC % UTILIZAT I ON G E R D F I AB T J K A B C L ENTER RUN M G G D 8 D N 7 PR INT 9 HELP O G D BNC 4Mb/ s G T 2 D U 3 ALPHA V WX . 0 Y Z SHIFT HU B/MAU N IC % U T I LIZATION TAB D G R E F I 7 M N J K A L B 8 C 9 O PRIN T ENTER R UN BN C G D G D D G HELP 4Mb/s WX D . V 0 T G Y Z U 3 2 ALPHA SHI F T HUB/ M AU NIC % UTILIZAT I ON R G I T AB B E K A J D C L F ENTER RUN D G G 7 D M N G O D 9 8 HELP PR INT BNC 4Mb/ s T G D U 3 2 ALPHA V . 0 WX Y Z SHIFT
7.3.2 - Introduction of the Hand Handled Unit for local meter reading ( pilot )
7.3.3 - Introduction of the prepayment meter (pilot ) • The pilot is installed in BIZERTE in 2005 • the pilot is concerning : � 350 customers equipped with single phase meters � 50 customers equipped with three phase meters
7.3.3 - Introduction of the prepayment meter (pilot ) Market segment residential secondary house 5% 10% builder's yard 10% commercial 5% house for rent 70%
8 ) NEW ITEMS 8.1 - Consultation via internet by the customers the index and the load curves
8.2 e-SERVICES AGENCY
KNOW HOW STEG has a wide expertise and more than 2000 highly skilled specialists who can carry out a broad range of mandates as for: - Planning and development - Tariff studies - Engineering and construction - Plant testing and monitoring services - Operation and maintenance
STEG INTERNATIONAL SERVICES • Creation of STEG INTERNATIONAL SERVICES in 2006 to provide the experience and the now how of STEG in many fields as for: technical assistance, studies and consulting, joint venture in project implementation, exchange of experience, training, Actually, • 600 experts are presently working as 600 experts are presently working as consultants in many countries consultants in many countries in in Africa and the Arab world. Africa and the Arab world. • More than 30 partnership and coop More than 30 partnership and cooperation ag eration agreements concluded with reements concluded with other electricity and gas comp other electricity and gas companies throughout the world. anies throughout the world.
Our vision : Our vision A quality of service comparable with the best Electricity & Gas Mediterranean Companies
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