Beyond Prepayment Smart Meters for Evolving Networks

Roland HillChief Engineer

MSc Eng, FSAIEE 17 October 2006

Redress the imbalances of the pastMaintain continuity of services to allFocus on needs of 40% living in povertyShift away from bureaucratic systemsSearch for ways to put the public firstBetter, faster and more responsive to needs

Batho Pele – putting People first

The Service Delivery Challenge includes welfare, equity and efficiency

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1940’s – Showing Store owner exhibits goods at shop 1950’s – Telling Travelling salesmen describe features 1960’s – Selling Marketing emphasis benefits of service 1970’s – Choice Customer selects from diverse options 1980’s – Now Customer selects quickest respondent 1990’s – “I” Customer imposes personal preferences 2000’s – Value Customer purchases best value (cost?)o 2010’s – Saving Customer reduces use by conservationo 2020’s – Control Customer expects service integrationo 2030’s – Morph Co-generation and adaptive

infrastructure

Escalating Service Expectations

New assets provide services for 3 decades

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Prepayment – IEC 62055-xx (TC13 WG15)CRP evolves into VTC port

Auto Meter Reading – IEC 62056-xx (TC13 WG14)FLAG evolves into DLMS technologies

Demand Side Mng – IEC 62054-xx (TC13 WG11)Ripple control evolves into ???

o Auto Meter Mng – IEC 61968-x (TC57 WG14)MDL evolves into CIM

Service Convergence ignites Innovation

System Integration and Security are key

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Conventional online billingPrepayment online vending Indigent offline social grantsRepayment arrear collections Time based tariff deemed profiles Real time priced post processed Demand limited utility vs consumer

imposed

Multi-service Meters for Consumer Choice

Adaptable for on grid, renewable & off grid

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Main isolator Installation safety Over current Installation safety Fault current Installation safety Earth leakage Consumer safety Lost neutral Consumer safety Raised neutral Consumer safety Over temperature Consumer

safetyo Over voltage Appliance protectiono Under voltage Appliance protectiono Lightning surge Appliance protection

Multi-function Meters for Quality of Service

Disadvantaged need Appliance Protection

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Tamper switch fails when supply down Imbalance detect good for BS meterso Bypass detector can’t tell if load switch

fusedo Zero current det. can’t tell if switch jammedo DC current det.can’t tell if non linear load

Improved Revenue Assurance capabilities

Capacity Restriction instead of disconnect

Site Audits instead of AMR & tamper detect

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People centric, user friendly productMulti-service capability for consumer choiceMulti-function capabilities for quality of

serviceAdvanced revenue assurance features Energy efficiency expansion options Data simplicity, integrity and accessability Logistic simplicity and lower operating cost

Summary of Smart Meter capabilities

Seamless integration & global Economics

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SANS 1524-1 Ed5 local SA requirementsSANS 1524-3 np mounting and enclosures IEC 62055-52 cd improved serial interface IEC 62059-31 cdv dependability testing IEC 61968-9 cdv data elements & modellingSTS wg3 tou tariffs and water req’sSTS wg4 governance and IP policiesSTS wg6 universal meter numberingSTS wg7 compliance testing method

Active Standardisation Activities

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SANS np outdoor & poletop meter req’s STS wg5 np global key mng infrastructure STS np supply group code restoration STS np field support short codes STS np service mode selection method NRS 086 np consumer activated DSM NRS np improved meter sealing

methods

Pending Standardisation Activities

Appoint & Mentor standardisation experts

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Conclusions Service expectations are continually increasing Smart meters must provide services of+for next 3 decades Seamless integration and standardization are essential Universal systems instead of ad-hoc pilots (IEC, ISO, ITU) Fragmented islands encourage exploitation

NRS, SANS and SANC

Investment in standardization experts will be far less than the challenge of patching together diverse legacies