Post on 14-May-2020
transcript
Eng. Godwin.E.N.Mnzava, Head of Sales & Marketing Division,Tanesco, Tanzania
IMPACT OF AMR SYSTEM ON REVENUE COLLECTION AND LOSS REDUCTION.
TANESCO Case Study,
Slides Layout• Background• Why Going AMR?
– Increasing Revenue?– Curbing Energy Theft?
• Adoption of AMR Meters in TANESCO• Key Realized Benefits• Impact on Sales/Revenue• Impact on Energy Losses• Challenges in Implementing AMR Solution• Concluding Remarks
Background Information• TANESCO stands for Tanzania Electric Supply
Company Limited• It is a vertically integrated Power utility supplying
Electricity to Tanzania mainland and bulk supply to Zanzibar
• Total number of customers up to July 2012 was 984,781
• The Company decided in 2007 to introduce AMR metering system in order to deal with two major issues:– Revenue Collection– Reduce Energy Theft and therefore NTL Losses
SMART METER ,AMR AND THE
AMR SYSTEM
• AMR is an abbreviation for Automatic Meter
Reading
• An AMR System is a system that is formed by
the following components
- Smart meter
- AMR System server
- Communication media
The meter is smart,can detect and store events
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5.1 AMR System Overview
Why Going AMR?
1. To Increase Revenue.
• Due to high losses and other issues associated with metering
and billing system, it was projected that by improving on
these two areas TANESCO Revenue could improve by up to
10%
• This prompted a thorough look at various options that could
improve on meter reading and billing.
• Improve services and save money by eliminating the costs
associated with manual meter reading.
• Out of various options AMR metering was opted.
Why Going AMR?
2. To curb Energy theft thus reduce NTL.
• By December 2006, TANESCO overall losses figure was 26%.
• This was contributed mainly by electricity theft by Large
Power Users consuming about 60% of all generated power
• Despite various Revenue Protection efforts, still our losses
were high.
• Customers were inventing new methods of meter tampering
each day as may be seen in the photos below:
Meter Bypassed by inserting resistors in all Phases
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FOUR RESISTORS INSERTED WITH SLEEVES
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AMR metering implementation TANZANIA Distribution network.
• AMR Meters installed to Boundaries, Feeders and Substations
• Installing AMR meters to consumers premises that is Large Powers and medium customers
Goal to track losses all over and ease detect area of losses
Below are some of photos for more details
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FEEDER METERING
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BOUNDARIES METERING
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AMR METERS INSTALLED ABOVE HT LINE FOR UNFAITHFULLY CUSTOMER METERING
Adoption of AMR System in TANZANIA
TANESCO decided to adopt the AMR metering system in 2007.
A Pilot Project involving 100 Large Power Users was conducted from 2007 to 2008 to determine suitability of the technology.
Using the data of said Project we were able to spot anomalies which indicated:
Potential system leaks Potential leaks at customer sites Damaged or broken meters Tampering/theft practices
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Cont: Adoption of AMR System in TANZANIA
Roll-out of the AMR SystemFollowing success of the Pilot Project, the Company decided in 2009 to roll out AMR Meters to cover all remaining Large Power Users totaling 2,000 and 8,000 whole-current three-phase metered customers. The exercise started in 2010 and expected to be completed in mid 2011
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Cont: Adoption of AMR System in TANZANIARoll-out of the AMR System
Total AMR meters installed to date are as follows• T3 = 410; T2 = 2,028; T1 = 10,668
Substation & Feeders = 477Grand Total = 13,583
� we are planning to roll out down small � Power Users (Single phase meters)
Key Benefits of The AMR system in TANZANIA
Remote disconnection. This is one of the key
features of the AMR system that helps to improve
revenue collection. Through this feature all non
paying customers are remotely disconnected and
reconnected after payment at very minimal costs.
Alarm System whenever Meter Tamper is
attempted. Through the alarms, customers who
attempted to tamper with the meter were
apprehend before causing much loss
Key Benefits Cont…
Improvement in Quality of Service ; temporary breakdowns can be detected by the AMR System and quickly attended by Emergence Crews even if no one is at home to report the break down.
Significant reduction on the meter reading costs . All medium customers meters are now read remotely by the AMR system thus reducing the costs of meter reading by contractors.
Impact Of AMR System on Energy Sales – 2006 Vs 2010
Total Units Sold(kWh)
Total Units Sold(kWh)
Increase
2006(No AMR)
2010(WITH AMR )
(%)
T2383,376,945 467,296,342
22%
T3 834,306,239 1,140,734,688 36%
Av. Total 1,217,683,184 1,608,031,030 32%
Units/Customer 780,566 846,332 8.4%
Before AMR
Year 2006
After AMR
Year 2010
Total Energy
Theft Cases62 12
Energy Theft Cases DROPPED from 62 cases involving LPUs in 2006 to 3 cases only in 2011
Overall Losses dropped from 26% in 2006 to 19.61% by the end of June2012.
Major contributing Factor is AMR Metering System.
Why?: Several customers who tried to tamper were caught following the alarms sent by the system. Information spread to others so they are scared to attempt!
Impact of AMR Meters on Losses
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IMPACT OF AMR METERS ON DEBT COLLECTION
MEDIUM POWER USERS
Total Customers Disconnected ‘Remotely’ 3,021
Total Debt Disconnected TSh2,311,376,482.00
Customers Reconnected ‘Remotely’ After Payment 1,874
Debt Collected From Reconnected Customers TSh1,384,439,118.00
A: DEBT COLLECTION
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of AMR (SMART) Meters on Energy SalesEnergy SalesEnergy SalesEnergy Sales
for 16 Problematic Large Power Users(See Next Slide)
IMPACTIMPACTIMPACTIMPACT
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Conclusion: From Energy Sales Point of View, adoption of AMR (SMART) Meters is the best solution.
Financing Worries? The Smart AMR Meters are self-financing. Look at the protected revenues (over 60%!!)
Customer No.2009 kWh Cons.
(WITH AMR)2007 kWh Cons.(BEFORE AMR)
Percentage
1 4,428,651 4,034,932 10%
2 4,678,027 2,900,895 61%
3 18,173,386 13,306,902 37%
4 24,253,312 11,587,275 109%
5 8,437,076 5,872,384 44%
6 5,712,041 246,292 2219%
7 12,468,819 4,706,992 165%
8 8,606,874 7,470,068 15%
9 4,049,598 3,090,784 31%
10 1,106,344 942,051 17%
11 5,179,244 4,621,802 12%
12 24,266,638 11,721,458 107%
13 14,857,744 10,183,106 46%
14 3,879,916 3,205,986 21%
15 15,589,605 10,993,785 42%
16 15,589,605 10,993,785 42%
TOTAL 3,262,184 1,851,783 76%
DIFFERENCE (PROTECTED kWh) 66,808,784 62%
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Total Customers Disconnected ‘Remotely’ (No.) 3,021
Average Distance between disconnected customers (km) 0.5
Total Distance covered for disconnecting 3,021 customers (km) 1,510
Total Distance covered for re-connecting 1,874 customers (km) 937
Total km covered 2,447
Fuel that could be used for 1,510km (6km/ltr) 408
Cost of Fuel per Litre TSh2,000.00
Total Fuel Cost TSh815,833.00
Saving in ManHours (Three Personnel D/C Gang):
Salary Per Day Per Person =TZS800,000.00/30 = TZS26,666.00 TSh26,666.00
Average Number of Customer for Physical Disconnection Per Day 12
Number of Days to ‘Physically’ Disconnect 3,021 customers 252
Disconnection Salary for three personnel TSh20,140,000.00
TOTAL DISCONNECTION COST SAVED TSh20,955,833.00
B: SAVINGS IN DISCONNECTION COSTS SAMPLED CUSTOMERS
1. It is expensive to finance the projects thus complete roll-out is a long term process.
2. AMR Metering systems also requires adequate training to Installation Teams, Management Units as well as Revenue Protection Teams otherwise the technology itself may create unexpected surprises
3. To be able to manage a smart system, people need to be smart! Attitude change is inevitable! But people will definately resist the change!
Challenges on Implementation of AMR Metering Solution
CONCLUDING REMARKS1. The AMR System has proved the following advantages: -
- It is a good tool for controlling Energy theft thus reducing losses and increasing revenues.
- It is also a good tool for areas collection- With AMR System power breakdowns can be detected
and attended early thus improving quality of service, - Reduces billing costs as data is captured and
processed automatically.
2. Regardless of high initial investment costs, the AMR project is a sustainable. However, Smart System NEEDS Smart People, thus Proper Management is vital for AMR benefits to be fully realized.
THANK YOU FOR YOUR THANK YOU FOR YOUR THANK YOU FOR YOUR THANK YOU FOR YOUR
ATTENTION!ATTENTION!ATTENTION!ATTENTION!