Demand management of EV charging using Victoria`s
Contents
1. S Event 4206119 Emergency vws wsos songaoossy7 event 50ct24Peak vs oeno waso event 4 0ct25 Emergency vs 0128012204858 so s ani2908s0 OOOO event 50ct30Peak vs CCT Oooo Event 6 Oct 31 Emergeney Now 10nu e0i22020 9 woro OOOO Event 7Nov7Peak E E E OOOO Event eNova Emergency Nc NC NaCowexei pois lt VicoOsEVTOS en mode LCAfesed Connection Time DiscomestTime EXOTIC TEA Event 42 06t19 Emergency io ioneeorz222747 1ONSIROI271324 LC event not received by terminal Event 50ct24Peak now 10B42012201100 10257201262831 LC event not Teceived by terminal Event 4 0ct25 Emergency vs i0es oo1218 2000 srsowzeones event 50ct30Peak 10 O ooa oense O OOOO Event 86 Oct 31 emergeny 10 __ 0 suaoxzaoo109 moros OOOO Event 7Nov7Peak 10 oaeo oera Event 8 Nov O Emergency 10 meemzaosss wioro2esaae lt Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Page 27 280 Demand management of electric vehicle charging using Victoria s Smart Grid vicozoevroos ea mode LC afectos Connection Time Discomect Time EE a E ETE TT SSCS Buen 42 Oct 18 Emergency NxXCmwed emsiOnigen MXCmmad Event Oct 25 Emergency NxXCmmod Event Oe 30 Peak MXCmmad YS Buen 6 ott Eme2. Demand management of electric vehicle charging using Victorias Smart Grid Appendices May 2013 www dius com au Awe p DIAS Table of contents Demand management of electric vehicle charging using Victoria s Smart Grid Appendix A The case for electric vehicle charging demand management 3 Appendix B Vict ria s omar t Orid eses E id 7 Appendix C ChargelQ Electric Vehicle home charge management system 10 Appendix D Electric Car Driver Guide to Grid friendly Charging sss 15 Appendix E How to Manage Grid friendly Charging eise eee senten itera ae 18 Appendix F Charge management event schedule e eseeseene nee reno rena rante raa rone 24 Appendix G Participant charge management event logs sse 25 Appendix H Participant attitudinal survey sse tette tnter 50 Appendix I Participant attitudinal survey results sse 57 Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd 200 Demand management of electric vehicle charging using Victoria s Smart Grid Appendix A The case for electric vehicle charging demand management Compared to most other uses of electricity in the home electric vehicles use a lot of electricity By way of comparison e The average Australian home uses around 25 GJ of electricity per year which a
3. Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd e Demand management of electric vehicle charging using Victoria s Smart Grid iPhone application The ChargelQ iPhone application will also provide an estimate of the delayed time to finish charging You can decide whether to accept or reject the Grid friendly charging request by default you are participating in Grid friendly charging You can click Charge Grid friendly to acknowledge the request or you can opt out reject by clicking gnore the request Connected To Terminal G3 Chacra B PTT 2 ChargelQ 3 Charging A Grid friendly What is your car s last known charge level Settings page 0 ChargelQ Charge Now To fully charge your car it will take You are participating in a Grid friendly charging event Your electricity network operator has requested Grid friendly charging You car should be charged by about By ignoring this Grid friendly charging request it will cost you 5 00 but your car will be ready 1 5 hours eartier Orid Friendly ChargelQ 8 Hours Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd W E A Demand management of electric vehicle charging using Victoria s Smart Grid Email amp SMS text You will be informed of Grid friendly charging events via your nominated email address and via SMS texts sent to your nominated mobile phone num
4. 0 0 57 1 y charging station 1 0 1 1 0 4 ChargelQ 429 143 0 0 14 3 286 0 0 j website 3 1 0 i 2 0 ChargelQ iPhone 57 1 286 0 0 143 0 0 0 0 app E 2 0 1 0 0 Email 0 0 14 3 14 3 143 42 9 14 3 0 1 1 1 3 1 SMS mobile 0 0 0 0 0 0 0 0 714 286 phone text 0 0 0 0 5 2 Commercial in Confidence 2013 All Rights Reserved DIUS Computing Pty Ltd Demand management of electric vehicle charging using Victoria s Smart Grid How would you rate your level of satsfacton with your expenence in the Gnd fnendly charging project select one 16 How would you rate your level of satisfaction with your experience in the Grid friendly charging project select one Value Count Percent Stats cs Very ssanshed 0 00 total Responses 7 Somewhat dssaushed 0 00 Neutral 1 143 Somewhat satisfied 0 00 Very satisfied 6 85 7 Commercial in Confidence 201 All Rights Reserved DiUS Computing Pty Ltd Copyright This document is the creation of DIUS Computing Pty Ltd O 2013 DIUS Computing Pty Ltd Confidentiality The contents of the submission are proprietary to DIUS Computing Pty Ltd and shall not be disclosed to any unauthorised parties without the written permission of the authorised person from DiUS Computing Pty Ltd The submission has been prepared on the express understanding that it will be regarded and treated as Private and Confidential Disclaimer The information contained in the submission
5. Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Page 30 lt A J E M UA Demand management of electric vehicle charging using Victoria s Smart Grid Qu No oso ANSWER FIELD S with answer logic To what extent are you concerned about the following in relation to smart meters They may Confusion Increases be used to For each select one of Lack of about Health risks Increases in in control 4 information why they Privacy issues due to electricity electricity my Unconcemed provided are radiation costs now costs electricity Slightly concerned necessary future without Very concerned my say Dont know rating scale nen FEEDBACK ON THE GUIDANCE INFO Have you received read the two guidance documents below that were sent to you bant now 5 in October a ae noL Have not read unsure i Electric Car Driver Guide to and read recelved cant Grid friendly Charging TOREA 1 How to manage your Grid friendly charging In your own words can you explain what you think Grid Free text friendly charging is Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Page 31 D J W Demand management of electric vehicle charging using Victoria s Smart Grid QUESTION ANSWER FIELD S with answer logic Critical to the Grid friendly I feit The reassured by guidance experienc the guidance raised more ed Grid and ready for q
6. Fairly constant across the day 0 00 Vanes from one day to the next 1 14 9 Dont know unsure 0 00 What do you think makes up the bulk of your electncaty use select one Televi 14 Y Air candcawng anda heaong 42 9 Lights 42 9 2 What do you think makes up the bulk of your electricity use select one value Count Percent Stats tcs Ar condvoning and or heating 3 Qu lotal Responses T Lights 3 42 9 lelewsion l 14 3 Dont know unsure 0 00 P B p o Demand management of electric vehicle charging using Victoria s Smart Grid y Why do you think smart meters are being installed in Victonan homes select one or more 100 85 7 7 so 25 143 143 The dd meters are wearing aut l They vell help consumers to make They allow meter readings to be dane Other 4 ather please elabar ate in text chaores about ther electioty use remotely box betow 3 Why do you think smart meters are being installed in Victorian homes select one or more Value Count Percent 96 Stasstcs Whats a smart meter 0 00 Total Responses 7 The old meters are wearing out 1 143 They will help consumers to make choices about their electricity use 3 42 996 They allow meter readings to be done remotely 6 85 796 They will help to avoid blackouts 0 0 096 Don t know unsure 0 0 096 Other if other please elaborate in text box below 1 143 4 To what extent are you concerned about the following in relation to smart met
7. Time of Day Figure 1 Uncontrolled Charging 200 p ee pese pee e pee pee e pee e eril E EV Demand E Household Demand 180 160 140 120 100 Demand kW 80 60 40 20 0 2 4 6 8 10 12 14 16 18 20 22 0 Time of Day Figure 2 Time of Use Charging Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd E e LA Demand management of electric vehicle charging using Victoria s Smart Grid E EV Demand Household Demand 0 2 4 6 8 10 12 14 16 18 20 22 0 Time of Day Figure 3 Equal share Charging Commercial in Confidence O 2013 All Rights Reserved DiUS Computing Pty Ltd 2 Demand management of electric vehicle charging using Victoria s Smart Grid Appendix B Victoria s Smart Grid The rollout of Smart Meters is the most visible component of Victoria s emerging Smart Grid A Smart Grid is an electricity network that uses advanced sensing communications and computing technologies for improved visibility control and efficiency Some of the key features of a Smart Grid include Smart Meters which collect and despatch electricity data every half hour and may include other functions of use by electricity utilities and consumers Power systems equipment or the traditional infrastructure of the transmission and distribution network including meters transformers switches capacitors fuses etc which inco
8. Victoria s Smart Grid are being implemented by the DNSPs continuously and are already delivering benefits to Victorians in terms of improved information and reduced network costs for example for new connections Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd ZA Dei land n lanager i ent of elect ic vehicle chai ging using Victor las S i art Cr id Appendix C ChargeIQ Electric Vehicle home charge management system The ChargelQ home charge management system is a fully grid integrated electric vehicle charging system that provides utilities and drivers with enhanced visibility and control over their electricity use The ChargelQ system achieves this by integrating the EV utility and driver through the following elements e ChargelQ terminal communicates with the electricity utility via the household Smart Meter using the ZigBee Smart Energy communications protocol connects and interacts with the car using the SAE J1772 EV charging standard provides drivers with a visual indication of the operating mode and the physical means to directly control charging through the user interface e ChargelIQ terminal manager receives messages from the ChargeIQ charging terminal on the operational status and utility demand management instructions hosts data and performs calculations relating to charging activities communicates with the ChargelQ user applications through the notification server e ChargeIQ user
9. effected through the SAE J1772 vehicle charging interface Commercial in Confidence O 2013 All Rights Reserved DiUS Computing Pty Ltd 200 Demand management of electric vehicle charging using Victoria s Smart Grid ChargelQ terminal manager The ChargeIQ server is the intermediary between the ChargelQ terminal and the driver It Supplies information to the driver through the notification server and ChargeIQ user applications the website SMS email and smartphone application The terminal manager also hosts data relating to the user charging history supplies calculations that inform a more detailed understanding of charging activities and acts as the intermediary for information sent back from the user through the ChargelQ applications The terminal manager resides on a server located remotely from the user terminal for example at DiUS Computing for the Victorian Electric Vehicle Trial deployments The terminal manager can be hosted by any entity that wishes to provide support for a network of ChargelQ terminals and may be integrated into other network administration arrangements ChargelQ user applications The ChargelQ user applications the website email SMS and smartphone application provide information about charging activities to the user and allow charging to be controlled remotely The ChargelQ website displays charging activity information from the ChargelQ terminal manager including status history costs
10. is given in good faith and in the belief that it is not false or misleading as at the date of this document Melbourne Sydney Level 10 Level 8 99 Queen Street 220 George Street Melbourne 3000 Sydney 2000 VIC Australia NSW Australia P 61 3 9008 5400 F 61 3 9008 5407 P 61 2 8014 6640 A UCA 59 0399
11. 4 00 PM Wednesday 24 7 00 PM Wednesday 24 Oct 10 00 PM 50 2012 Oct 2012 2012 Emergency charge Thursday 25 Oct 4 00 PM Thursday 25 Oct 7 00 PM Thursday 25 Oct 10 00 PM 100 management 2012 2012 2012 Peak charging Sunday 28 Oct 4 00 PM Monday 29 Oct 7 00 PM Monday 29 Oct 2012 10 00 PM 50 2012 2012 Emergency charge Wednesday 31 4 00 PM Wednesday 31 7 00 PM Wednesday 31 Oct 10 00 PM 100 management Oct 2012 Oct 2012 2012 Peak charging Tuesday 6 Nov 4 00 PM Wednesday 7 Nov 7 00 PM Wednesday 7 Nov 10 00 PM 50 2012 2012 2012 Emergency charge Thursday 8 Nov 4 00 PM Thursday 8 Nov 7 00 PM Thursday 8 Nov 10 00 PM 100 management 2012 2012 2012 280 Demand management of electric vehicle charging using Victoria s Smart Grid Appendix G Participant charge management event logs vicoizevTos i mods CAfected Connection Time DscmweTme mendose O O TEE OOOO revert 2 octe emergeny o __ 19ns 2012201825 XI07SG2 OOOO Event 50ct24Peak NENE netcom oewos SSS event 4 0c 25 Emergency a ioRs0121908 7 wenos O OOOO event 45 00130 Peak 10 roororzarazS osven SSS event 46 Oct 31 Emergency o osmoso uneoweeosy event 7Nov7 a O omes wors SSS mense Nov 8 Emergency o mzma woe vicoasevros eo Mode UCAfected Connection Time DiscomnestTime Brent Octi6Peak l ET OOOO Event 42 oct 18 Emergency 10 ions onzigssai sonsmossr
12. How would you describe your experience of the Emergency charge management events tick one box per row Most of Dont know Never Sometimes y gme TYS y na a RESPONSES Didn t realise he Emergency charge management events were 143 143 143 429 143 7 happening i i i 3 i Didn t realise I d received the notificabon until too late rubralewncwukesw nia den aadilesdon Bst ad a y rw ra e we Received the notification and took steps to manage my 57 1 0 0 143 0 0 286 9 charging vehicle use 0 1 0 2 Received the notificabon but chose to override the charge 57 1 0 0 143 0 0 286 management and accept the financial penalty 4 0 1 0 2 In he real worid charge management events would be expected to happen far less often han wice per week Al eise being equal do you funk you would choose Grid fnendly charging f you were an EV driver select one Maybe depending o Pe tfawrg 14 Fe No waid want complete ontd over my veude cargog st all pres 14 3 Ves but andy if he raras beneit was fere 14 J Yes even A fre was otea os beneit 57 1 12 In the real world charge management events would be expected to happen far less often than twice per week All else being equal do you think you would choose Grid friendly charging if you were an EV driver select one Value Count Percent Stats tcs No would want complete control over my vehicle charging at all imes 1 143 Total Responses 7 Yes but only if the financial benefit w
13. applications communicate with the ChargelQ terminal manager on the operational status and utility user control instructions provides information and or control to the EV driver via the ChargelQ website smartphone application SMS and email ChargeIQ terminal The ChargelQ terminal is the focal point to the system integration of the Smart Grid electric vehicle and driver The ChargelQ terminal is certified to the Zigbee Standard Smart Grid communications protocol and supports the ZigBee Alliances Smart Energy profile version 1 1 A core capability of the terminal is mapping of Zigbee Smart Energy Demand Response Load Control DRLC messages to the vehicle charging standard SAE J1772 interface controls thus allowing direct adjustment of the maximum vehicle charging current draw from the household electricity supply The front panel of the terminal provides the ability to control the charging mode and displays active charge management events For the first generation units deployed in the Victorian Electric Vehicle Trial see image below the Charge Option buttons are used to select the charging mode e ChargeIQ Smart charging to take advantage of any discounts available through the household s electricity tariff e Charge Now on demand charging immediately upon the vehicle being plugged in The Charge Option buttons also indicate whether there is a charge management event underway according to their display colour The Ig
14. art Grid Appendix E How to Manage Grid friendly Charging This guide explains how to use ChargelQ to charge when it is cheapest and without impacting upon your vehicle use It should be used in conjunction with the Z ectric Car Driver Guide to Grid frienaly Charging background document and the ChargelQ user manual When the electricity network operator sends out a request for Grid friendly charging by default you will participate in the Grid friendly charging events You have the option to reject the request in a number of ways these include ChargelQ charging station Website amp iPhone App Email amp SMS Text The front of the charging station will show when the unit has received a Grid friendly charging request by pressing the Ignore CPP button see below you can override reject this request The website and iPhone App will also allow you to override reject Grid friendly charging requests When a Grid friendly charging request is scheduled you will receive an email notification along with an SMS text to your mobile phone you can respond to these via the ChargelQ station website or iPhone app as described above Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd NW E UA Demand management of electric vehicle charging using Victoria s Smart Grid ChargeIQ charging station There are three buttons on the front of the ChargeIQ station that are relevant to Grid fri
15. as all vehicles plugged in at the same time however as many as 21 vehicles could be charged at that time without adverse effects on the network Using equal share charging the number of vehicles that the network could accommodate without any additional infrastructure upgrades rose to 34 However it must be noted that the decreased charge rates led to longer charging times although all vehicles were fully charged by 6am Impact on demand of the various Charging algorithms is presented in the figures below With better charging algorithms these numbers could be improved further still 7 Paevere et al Spatial Modelling of Electric Vehicle Charging Demand and Impacts on Peak Household Electricity Load in Victoria Australia Commonwealth Scientific and Industrial Research Organisation 2012 8 J de Hoog et al Electric Vehicle Charging and Grid Constraints Comparing Distributed and Centralized Approaches Proc of the IEEE Power and Energy Society AGM July 2013 accepted 9 Department of Transport Victorian Integrated Survey of Transport and Activity Victorian Government Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd E A Demand management of electric vehicle charging using Victoria s Smart Grid 200p 0 88 IEEE Dee SS Dee IAS eee eee EE EV Demand E Household Demand 180 160 140 120 100 Demand kW 80 60 40 20 0 2 4 6 8 10 12 14 16 18 20 22 0
16. as there 1 143 Yes even if there was no financial benefit 4 57 1 6 1 Maybe depending on the following 14 3 Commercial in Confidence 201 All Rights Reserved DiUS Computing Pty Ltd e Demand management of electric vehicle charging using Victoria s Smart Grid in he real world some Emergency charge management events could not be overndden so hal your EV charging would be delayed How would you feel about mandatory charge management of your vehucie select one Maybe deperang o he kanng 266 No would want complete cont d over my veude Hargno a Yes but anly f he inanoa berets was Pere 28 9 13 In the real world some Emergency charge management events could not be overridden so that your EV charging would be delayed How would you feel about mandatory charge management of your vehicle select one Value Count Percent Stats tcs No I wouid want complete control over my vehicle chargng at all umes 3 229 Total Responses 7 Yes but Only the financial benefit was there 2 286 Yes even if there was no financial benefit 0 00 Maybe depending on the following 2 28 6 14 As part of your Grid friendly charging experience how useful did you find the following tick one box per row Couldn Ydidni Not at al Useful but could have Could be useful but Very Cracal to he Grid fnendly mvestgate useful survived wifhout a needs improving useful charging experience ChargetQ EV 14 3 0 0 14 3 14 3
17. atio n until too late Received the notification but otherwise unaffected the notification and took steps to manage my charging vehicle use but chose to override the charge management and accept the financial penalty Page 32 BY DIAS QUESTION with answer logic N Demand management of electric vehicle charging using Victoria s Smart Grid ANSWER FIELD S Don t know unsure mandatory The other charge management events took place at short notice following which your charging stopped altogether these were Emergency charge management events How would you describe your experience of the Emergency charge managementevents Didnt realise the Emergency charge manageme nt events were happening For each choose the answer most applicable from Never Sometimes Most of the time Always Don t know unsure mandatory Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Didn t realise d received the notificatio n until too late Received the notification but otherwise unaffected Received the notification but chose to override the charge management and accept the financial penalty Received the notification and took steps to manage my charging ve hicle use Page 33 o UA QUESTION Qu No l with answer logic In the real world charge management events would be expected to happen far less often than t
18. be mitigated simply by reducing the charge rate as demonstrated in this trial or by shifting vehicle charging to a low demand time The benefits from demand management approaches include improved asset utilisation and 1 Department of Environment Water Heritage and the Arts Energy Use in the Australian Residential Sector 1986 2020 Australian Government 2008 2 Department of Transport Victorian Integrated Survey of Transport and Activity Victorian Government 2012 3 Nissan LEAF energy economy 0 175 kWh km Green Vehicle Guide Australian Government 2012 4 Paevere et al Spatial Modelling of Electric Vehicle Charging Demand and Impacts on Peak Household Electricity Load in Victoria Australia Commonwealth Scientific and Industrial Research Organisation 2012 5 Electricity Distribution Code available at http www esc vic gov au Energy Distribution Electricity Distribution code accessed February 2012 6 J rvinen J Orton F and Nelson T Electric Vehicles in the NEM energy market and policy implications AGL Applied Economic and Policy Research Working Paper 27 2011 Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Awe p Demand management of electric vehicle charging using Victoria s Smart Grid possibly integration of vehicles as distributed storage into the grid to help address times of peak demand A study by the University of Melbourne examined how demand management might improve the n
19. ber These messages will inform you of an upcoming Grid friendly charging event and prompt you to check your ChargeIQ station and web account Although you have been notified of an event not every event will affect your charge time Only events that change your charge time will be displayed on your ChargelQ station and ChargelQ website user account eoo 00 C64 trendy Parr today between 2 309m and 3 30pe indos L S Lia em 2 From ChargelQ lt no reply 8 chargeiq com au Subject Gna fnendly charging today between 230pm and 330pm Date 4 October 2012 22022 PM AEST To test csupport G charge com su Hi test e EE CER ECL EE doc cde ic RCM iE Any charging intended to take place during this time will be delayed Should you wish to decline the Grid friendly charging request opt out using your ChargelQ station website user account or iPhone application Regards The ChargelQ Team Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Awe p Demand management of electric vehicle charging using Victoria s Smart Grid Appendix F Charge management event schedule SCENARIO SEND TIME START END DATE TIME DEMAND Notification DATE TIME RED N Peak charging Monday 15 Oct 4 00 PM Tuesday 16 Oct 8 00 PM Tuesday 16 Oct 2012 11 00 PM 5076 2012 2012 Emergency charge Thursday 18 Oct 4 00 PM Thursday 18 Oct 7 00 PM Thursday 18 Oct 10 00 PM 100 management 2012 2012 2012 Peak charging Tuesday 23 Oct
20. cept the costs associated with overriding the charge event in order to complete charging earlier by beginning straight away The ChargelQ smartphone application provides another means for the user to interact and manage vehicle charging Similar functionality is provided to the website images of the smartphone application are shown below Connected To Terminal ES cCharcelQ E Charging Grid friend d You are participating in a Grid friendly charging event What is your car s last known charge level Your electricity network operator has requested Grid friendly charging o 0 o I You car should be charged by about By ignoring this Grid friendly charging request it will cost you 5 00 but your car will be ready 1 5 hours ChargelQ Charge Now earlier Charge A rierndily To fully charge your car it will take Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd P B Demand management of electric vehicle charging using Victoria s Smart Grid Charging information is also provided by the ChargelQ system via email and SMS to the drivers nominated address and mobile phone number The messages inform users of upcoming load control events and prompt them to check their ChargelQ terminal and web accounts Although users are notified of all charge management events not every event affects their charging Only events that have actually impacted upon vehicle charge time are dis
21. e s also an iPhone app for the willing and able Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Demand management of electric vehicle charging using Victoria s Smart Grid How do I manage my Grid friendly charging Your ChargelQ station provides all the information and options you need for you to control your charging activities and allows you to accept or reject a peak charging or emergency charge management events The ChargeIQ website and iPhone app also provide information about your charging and allow you to manage your activities via the internet For more detailed information on how to use these services refer to the How to manage your Grid friendly Charging guide that has been supplied with this document Where can I find out more The ChargeIQ website contains answers to Frequently Asked Questions details about the technologies involved more information about electricity networks and contact details if you d like to discuss Thanks for being so friendly to our electricity grid Contact Details ChargeIQ support e support chargeig com au p 1300 652 234 ChargeIQ website w www chargeig com au DiUS Computing Pty Ltd p 61 3 9008 5400 Level 10 99 Queen Street f 61 3 9008 5407 Melbourne Vic 3000 Australia W Www dius com au Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Awe p Demand management of electric vehicle charging using Victoria s Sm
22. ect the request ChargelQ will show the following state after you have pressed the gnore CPP button e Charge Options remains unchanged i e indicator is yellow showing an active Grid friendly charging event e lgnoreCPP on pressing this button it changes colour from blue to yellow i e you have rejected the request Note You have missed the 5 saving opportunity i e you have effectively spent 5 Commercial in Confidence O 2013 All Rights Reserved DiUS Computing Pty Ltd Demand management of electric vehicle charging using Victoria s Smart Grid ChargeIQ website When a Grid friendly charging request is received the ChargelQ website will provide an estimate of the delayed time to finish charging You can decide whether to accept or reject the Grid friendly charging request In this example the electricity network operator has sent a Grid friendly charging request that would result in your vehicle being charged 1 12 hours later By default you will participate in Grid friendly charging events if you do not reject the request You can click Charge Grid frendlyto acknowledge the request or opt out reject by clicking gnore the request You are participating n a Grid friendly charging event ChargelQ aes network operator has requested Gnd fnen Your car should finish chargng y 9 00pm By ignoring tis Grid friendy charging request it will cost 5 but your car will be ready 1 V hour earker A oe
23. endly charging Charge Options ChargelQ amp Charge Now these buttons will change colour according to the Grid friendly charging request status Ignore CPP this button allows you to override Grid friendly charging requests by pressing the gnore CPP button you will e Override the Grid friendly charging request e Proceed to charge your car on demand e Reduce the value of your gift certificate by 5 ChargeIQ Commercial in Confidence O 2013 All Rights Reserved DiUS Computing Pty Ltd Awe p Demand management of electric vehicle charging using Victoria s Smart Grid Examples of ChargelQ in Grid friendly charging mode A Participating in a Grid friendly charging event The diagram shows ChargelQ after receiving a Grid friendly charging request By default you will participate in Grid friendly charging and the time to charge your car will be delayed ChargeIQ will show the following state also see diagram after receiving the request e Charge Options changes colour to yellow showing an active Grid friendly request e gnore CPP turns on and lights blue you are participating and do not need to press Ignore CPP Note You have saved 5 towards the end value of your Gift Certificate B Not participating in a Grid friendly charging event Example A above showed the default behaviour of ChargelQ If you do not wish to participate in Grid friendly charging once request is received press the gnore CPP button to rej
24. ers tick one box per row U y Shghty Very Unsure Don t concerned concerned know e Lack of information provided uus E 7 Confusion about why they are necessary wa y 7 o i cuis vi y Health rieke due to radietion el vs 7 increases in electricity costs now 16 di m 6 Increases in electricity costs future eu M 7 They may be used to control my electricity without my 42 996 28 696 28696 0 0 7 Say 3 2 2 0 Other if other please elaborate in the text box below y ur es gt Commercial in Confidence 201 All Rights Reserved DiUS Computing Pty Ltd e Demand management of electric vehicle charging using Victoria s Smart Grid 5 Have you received and or read the two guidance documents below that were sent to you in October tick one box per row Have both received Have not Havenot Don tknow unsure cant massansa and read received read remenper E Electric Car Driver Guide to Grid 15 7 14 3 0 0 0 0 friendly Charging 6 1 0 0 How to manage your Grid friendly 85 7 14 3 0 0 0 0 7 charging 6 1 0 0 Given your expenence of Gnd fnendly charging how effective do you think the guidance information was select one The info was o 6cal he God ten dy har experience 14 Is fet reassured by fe guidance and ready ta He expenence Ib 7 7 Given your experience of Grid friendly charging how effective do you think the guidance information was select one Cant
25. grams Functionality and performance specifications vary widely and with this interpretation into technical specifications In Victoria the DNSPs have selected two AMI technologies for deployment in accordance with the functionality and performance specification mandated by the Government e Gridnets proprietary interpretation of the WiMAX Worldwide Interoperability for Microwave Access communications protocol a manufacturers alliance based on the IEEE standard 802 16 being used by SP Ausnet e Silver Spring Networks SSN proprietary interpretation of the Zigbee manufacturers alliance communications protocol being used by CitiPower Powercor Jemena and United Energy The Gridnet WiMAX system being deployed by SP Ausnet resembles a mobile phone network in terms of the individual meters communicating with a tower The SSN network being deployed by four of the five Victorian DNSPs is a 900 MHz system using an unlicensed radio frequency where individual meters communicate with each other rather than a tower a system type commonly called radio mesh The first stage of the AMI rollout for all DNSPs involves the physical installation of smart meters in parallel with the DNSP information technology and interface systems Once a smart meter has been installed it can be registered in the market by the relevant DNSP and begin providing regular energy use data to the market on a daily basis The various other elements that will make up
26. nore CPP button shown below was used by participants to override opt out of charge management events m Zigbee is a registered trademark owned by the Zigbee Alliance Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd ES N Demand management of electric vehicle charging using Victoria s Smart Grid ChargelQ Charge Options Intelligent Charging Opt out Button The terminal features that allow for intelligent management of vehicle charging through load shifting and vehicle load adjustment are outlined below in the context of the operating mode Smart charging is achieved using ChargelQ s intelligent charging engine that is tariff aware Charging is delayed to off peak times for example 11pm to 7am on weekdays according to preferences configured by the user for their specific vehicle use patterns and tariff information The tariff information is received from the household Smart Meter via the ZigBee Smart Energy profile Peak and Emergency charge management are achieved using the DRLC messages as specified in the Zigbee Smart Energy standard to effect vehicle charging load adjustment The terminal receives the DRLC messages from the utility Demand Response Manager through the household Smart Meter The terminal processes this information and responds according to the nature of the event and the control parameters configured for the utility user Charge management of the car is
27. oa o EX 0 ooa oseon Event 44 00125 Emergency 10 oesie MS RDISSRDA O O OOOO Event 5050 Pek o A TEE N LC event not received by PVEM AO OE SL EMEKJENEY 10 31 2012 16 44 45 11 1 2012 6 01 07 A e Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Page 25 Demand management of electric vehicle charging using Victoria s Smart Grid Event 2 Oct 18 Emergency Event 4 Oct 25 Emergency Event 6 Oct 31 Emergency Not Connected Be Event 7Nov7 Peak No no iumvioiiesizo umow ooo Event 8 Nov 8 Emergency No Mo NotComected OO To NOTE Participant did not take part in Demand Management Events Charged in Now on demand mode Event 5 Oct 30 Peak A INN NEN E EN EN EE AAA AA Event 1 Oct 16 Peak No Not Connected Event 2 Oct 18 Emergency No Charge Event MO A events from 18 10 to event 40ct25 Emergency no mo _NoChagetent EC no mo wcw ooo Event 6 Oct 31 Emergeney Nc mo NoChageten event 7Nov7Peak o wo sze amsa O OOOO Event 8 Nov 8 Emergency no We memanas meoo OOOO NOTE Completed On demand charge by 8 11 2012 15 50 Commercial in Confidence 2013 All Rights Reserved DIUS Computing Pty Ltd Page 26 E Demand management of electric vehicle charging using Victoria s Smart Grid vicoosevTos 68 Mode LCAfected Connection Time DacomedTme EXC ETE
28. ooo ooro Event 86 Oct Emergency 10 imocis4pe norssi OOOO Event 7Nov7Peak amenizar wor Event 4 Nov O Emergency WxGmewa OOOO 0 Commercial in Confidence O 2013 All Rights Reserved DiUS Computing Pty Ltd Page 29 Awe Demand management of electric vehicle charging using Victoria s Smart Grid Appendix H Participant attitudinal survey The online survey design delivered to Household Participants within one week of completion of the charge management event schedule is provided below Qu No ee ANSWER FIELD S with answer logic eem BACKGROUND UNDERSTANDING When do you believe your household uses electricity Mainly in Mainly in Fairly Vanes from the the constant one day to mornings evenings across the day the next Dont know unsure multiple choice select one answer only mandatory What do you think the main causes are of your electricity 2 use conditionin Dont know g amp or unsure heati multiple choice single a answer only mandatory Why do you think smart meters are being installed in The old They will help They allow Victorian homes Whats a meters consumers to meter They will helo Dont smart are make choices readings to avoid know multiple choice more than meter wearing about their be done blackouts unsure one answer possible out electricity use remotely mandatory free text Commercial in
29. played on the user s ChargelQ terminal and website user account Crid friendly charging today between 2 30pm and 3 30pm Inbox ChargelQ lt no reply chargeiq com au gt Grid friendly charging today between 2 30pm and 3 30pm 4 October 2012 23022 PM AEST test lt support chargeiq com au gt Hi test Your electricity network operator has requested Grid friendly charging today between 2 30pm and 3 30pm Any charging intended to take place during this time will be delayed Should you wish to decline the Grid friendly charging request opt out using your ChargelQ station website user account or iPhone application Regards The ChargelQ Team Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd 20 Demand management of electric vehicle charging using Victoria s Smart Grid Appendix D Electric Car Driver Guide to Grid friendly Charging Imagine if your electric car could be charged when it was cheapest automatically and without affecting your use of the car This is what youre about to experience as part of the Victorian Electric Vehicle Trial it s called Grid friendly charging What is Grid friendly Charging Grid friendly charging is when electric car drivers allow their vehicle to be charged in line with what s happening in the electricity network The cost of electricity is strongly influenced by when peak electricity demand occurs This means that charging yo
30. pproximates to 7 MWh yr e The average Victorian driver travels around 35 km per day which for a typical electric vehicle with an energy economy of around 0 17 kWh km approximates to 2 2 MWh yr or around 30 per cent more electricity for the average Australian home Importantly however electricity networks are designed and built for times when demand for electricity is greatest Modelling by CSIRO found that if unmanaged electric vehicle charging may increase peak demand on Victoria s electricity networks by more than 30 per cent Conversely managed or Smart charging may limit this peak demand increase to less than two per cent As part of their service obligations electricity networks must be managed according to a strict set of standards set out in the electricity distribution code Among other things e Voltages at point of supply must be kept within the range 216V 253V e Power factor must be maintained at 0 75 or higher e Total harmonic distortion must be less than 5 e Cable and transformer current ratings must be respected Without demand management utilities have less control over these issues As demand grows for example from electric vehicles utilities must further invest in networks to ensure reliability of electricity supply As more and more people purchase and charge electric vehicles this could lead to enormous infrastructure upgrade requirements Alternatively with an effective demand management solution these impacts can
31. remember what the qudance said 0 00 Total Responses 7 Didn t reakse Id experienced Grd fnendy charging 0 00 feit reassured by the guidance and ready for the experience 6 85 7 The guidance raised more questions than answers 0 00 i oniy understood the guidance after the expe ence 0 00 The info was criical to the Grid friendly charging experience 1 143 Don t now unsure 0 00 10 For those events for which you received 24 hrs notice your charging rate was reduced by half these were Peak charging events How would you describe your experience of the Peak charging events tick one box per row Most of Don t know lover Dominos c Gre A unsure Didn t lise the Peak ci no aria a Didn t realise I d received the notification until too late ly pus on zw x Received the notficabon but otherwise unaffected EN E n wes zia 7 Received the notification and took steps to manage my 42 9 0 0 286 286 0 0 charging vehicle use 3 o 2 2 o Received the notificabon but chose to override the charge 157 143 00 0 0 0 0 7 management and accept the financial penalty 6 1 0 0 0 Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd A Awe Demand management of electric vehicle charging using Victoria s Smart Grid 11 The other charge management events took place at short notice following which your charging stopped altogether these were Emergency charge management events
32. rgemey nenes mensem atea dS Event 8 Nov 8 Emengeney NMXCmmad Event 1 Oct 16 Peak DES NI NEM 10 16 2012 18 41 28 10 17 2012 8 26 49 E Event 2 Oct 18 Emergency IQ 10 18 2012 20 11 45 10 19 2012 8 38 19 ll Vehicle not disconnected in the IQ 10 25 2012 18 50 16 next 2 day period Event 4 Oct 25 Emergency Event 7 Nov 7 Peak No charge events Event 8 Nov 8 Emergency No charge events Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Page 28 280 Demand management of electric vehicle charging using Victoria s Smart Grid vicoasevroos is Mode UCAfected Connection Time Duces me EXC i10 veraa oora Event 42 06t19 Emergency 10 wmm woore OOOO event 50ct24Peak a E OOOO OO Event 4 Oct 25 Emergency IQ 10 25 2012 21 00 56 10 26 2012 11 37 13 Event 5 Oct 30 Peak Q 40 30 2012 18 46 26 10 31 2012 13 11 53 Event 6 Oct 31 Emergency IQ 10 31 2042 18 41 25 11 1 2012 7 27 09 0 00 Event 7 Nov 7 Peak CMA 1117 201220 48 19 1 8 2072944 0000000 NOTE Participant did not take part in Charge Management events Event 1 Oct 16 Peak pH 10 16 2012 18 25 19 10 17 2012 7 00 03 demand charge completed Event 2 Oct 18 Emergency 1 10 18 2012 17 05 16 10 18 2012 18 20 45 dm o ooo 6 20pm Event 3 Oct 24 Peak A 10 24 2012 18 15 58 10 25 2012 7 04 30 A a ed a Event 50ct30Peqx l
33. rporate enhanced levels of monitoring control and automation Communications networks that carry information to from the power systems equipment and the data centre including o Neighbourhood Area Network NAN sometimes called the Utility Area Network which carries information between the smart meter and the distribution network substation o Home Area Network HAN often called the Consumer HAN that carries information between the smart meter and various devices or applications in the local area o Backhaul networks that carry information between the distribution network substation and the utility enterprise or back office Smart devices including In Home Displays IHDs appliances and electric vehicle charging equipment that communicate with the Smart Meter and provide both consumers and utilities with greater understanding and management of energy use Data management and back end systems which integrate the consumer and grid side information supplied from the front end systems above and incorporate advanced decision making capabilities Awe p Demand management of electric vehicle charging using Victoria s Smart Grid Home Area Network Neighbourhood rea Network Smart devices 3 A Data management and AMI back end systems Smart Meter Utility Figure 4 Schematic illustrating a typical Smart Grid architecture Victoria began its journey towards a Smart Grid in 2006 with a mandate for the rollou
34. savings and estimated charging completion time under different charge management scenarios The user can access the information remotely by logging in to the secure site using their unique user identification details The charging activity information is presented in an easily understood format that includes actual cost of use information based upon the timed metered charging activities and electricity tariff inouts Additional information relating to Smart charging cost savings relative to on demand charging preferences is also provided along with other contextual information to help the driver manage their charging cheaply and appropriately You are participating in a Grid frien y charging event YOu eux tow By etw os oper al Pai gave CA ren 3 Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd P Demand management of electric vehicle charging using Victoria s Smart Grid The website will also display any details about charge management events scheduled in by the utility upcoming and underway The user can assess this information using additional information supplied through the website about charging scenarios and costs and is able to manage their charging by selecting their preferred response The screenshots supplied above relate to a load control event that is already underway where the driver can choose to continue with the charge management event currently underway or ac
35. t of Advanced Metering Infrastructure AMI to 2 66 million electricity customers The installation of Smart Meters began in late 2009 and is due for completion by the end of 2013 In mandating the AMI rollout the government of the day determined the minimum functionality and service level specifications to which the Distribution Network Service Providers DNSPs had to conform Four key services were specified for the rollout period noting that additional services may be provided post rollout Y Recording of energy imported or exported from a metering point by half hour trading interval i Remote meter reading ii Remote de energisation iv Remote energisation Minimum functionality and performance levels for the AMI systems were determined according to the following elements e Meter configurations e Remote and local reading of meters Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd 20 Demand management of electric vehicle charging using Victoria s Smart Grid e Supply disconnect and reconnect e Time clock synchronisation e Load control e Meter loss of supply and other event recording e Quality of supply and other event recording e Supply capacity control e Interface to the Home Area Network HAN using the Zigbee communications protocol As of 2013 Victoria remains the only state in Australia to have mandated AMI rollout however many international examples exist of smart metering pro
36. these can work in the real world And as this is a trial we ll be asking you some questions to find out what you thought about various aspects of your Crid friendly charging experience Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Demand management of electric vehicle charging using Victoria s Smart Grid How will I benefit from Grid friendly charging By adopting Grid friendly charging practices the benefit you provide to the network is recognised through savings in your electricity costs In future this will happen through your electricity plan but for the Trial we are going to give you a Myer gift certificate For each of the events that you allow your charging to be managed we will provide you with a 5 reward payment up to a maximum of 40 If you charge during these events you will effectively lose that 5 benefit It s possible that most of the time during these events you won t even notice that anything is happening How Does Grid friendly Charging Work The electricity network operator will send a message for Grid friendly charging via your home s Smart Meter to your ChargelIQ electric vehicle charging station You then decide if you want to participate in Grid friendly charging and respond to the message through the ChargelQ station and or web applications Youll be informed of peak charging and emergency charge management events via SMS messages to your mobile phone Ther
37. tion Could be useful but needs improving Very useful Critical to the Grid friendly charging experience multiple choice one answer per item mandatory With regards the items above or any other technologies do you have any suggested improvements to help EV E Hn drivers with Grid friendly Ioue charging optional Commercial in Confidence O 2013 All Rights Reserved DiUS Computing Pty Ltd Page 35 W NES O LA Demand management of electric vehicle charging using Victoria s Smart Grid dedi ANSWER FIELD S with answer logic TRIAL FEEDBACK How would you rate your level of satisfaction with your experience in the Crid Somewha friendly charging project re Neutral Somewhat Very satisfied dissatisfied dissatisfie satisfied d rating scale in terms of level of satisfaction Do you have any additional comments you wish to Free text provide Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Page 36 Awe Demand management of electric vehicle charging using Victoria s Smart Grid Appendix Participant attitudinal survey results When do you believe your household uses electnoty select one Varnes han ave day to Me next 14 Je Mainly m he evenings 7H 1 When do you believe your houschold uses electricity select one Value Count Percent Statsscs Mainly in the mornings 0 0 096 lotal Responses ra Mainly in the evenings 6 85 796
38. uestions ATA charging friendly the than experienc M experience charging experience answers e OPINIONS OF THE DR LC EVENTS Didnt Cant AM realise d remember what the guidance said I only understood the guidance Given your experience of Grid friendly charging how effective do you think the guidance information was Dont know unsure In terms of guidance that might be supplied to EV drivers in support of Grid friendly charging do you have any suggestions for improvement optional SECTION C Your Grid friendly charging experience consisted of a number of events where charging of your car may have been or was managed remotely Each event was preceded by a notification delivered via email SMS the website or the iPhone app following which you could have overridden the event and forfeited 5 towards your Grid friendly charging participation gift certificate For those events for which you received 24 hrs notice your charging rate was reduced by half these were Peak charging events Received the Received ERA notification Didnt How would you describe your experience of the Peak charging events For each choose the answer most applicable from Never Sometimes Most of the time Always Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Didnt realise the Peak charging events were happening realise d received the notific
39. umber of vehicles that a given network can sustain Using data from the same distribution network where this demonstration project took place a variety of simulations were run using different charge scenarios The simulator was purpose built at the University of Melbourne and a validation exercise indicated that simulated voltages and currents were within 2V and 10A of real measurements on average suggesting a strong correlation with reality Three charging scenarios were tested 1 Demand charging vehicles commence charging as soon as plugged in and charge to completion 11 Time of Use charging vehicles only charge between 11pm and 7am 111 Equal share charging vehicles charge at variable rates according to current demand on the network and number of vehicles connected in short existing network capacity as measured at the transformer is allotted in equal shares to all connected vehicles Household demand was simulated using real data measured in the network and vehicle demand both state of charge and timing of connection were simulated using vehicle trip data for Victoria using only vehicle trips of 160 km or less from the local governmental area that the network is located in With uncontrolled charging only 14 electric vehicles could be added to the network Beyond this number the risk of voltage dropping below 216V at far ends of the network increased With time of use charging a new demand peak was created at 11pm
40. ur car when your TV air conditioner and other appliances are on drives up the cost of electricity not just for you but also for your neighbours If your car can instead be charged when demand for electricity is lower you ll save money and help avoid electricity price rises for everyone How will Grid friendly charging affect me Grid friendly charging works in the following ways i Smart charging The most common case when your EV will be charged overnight when there is generally lower demand for electricity from the network ii Peak charging During predicted periods of very high network demand for electricity such as during the hottest days of the year you will be informed ahead of time and given the choice to charge before or after the peak period or continue charging during the peak at a higher cost iii Emergency charge management In unforeseen emergencies such as accidental damage or lightning strikes to the network where there would normally be an outage or rolling blackouts EV charging may be reduced or stopped altogether As part of the trial we will be testing this feature even if there are no actual emergencies As part of the Trial you will experience scenarios 2 and 3 as events of about three hours duration These events will take place once or twice a week during the middle period of your Trial involvement This is far more frequent than what would be expected in real life but it is important to test how
41. wice per week All else being equal do you think you would choose Grid friendly charging if you were an EV driver multiple choice choose one mandatory In the real world some Emergency charge management events could not be overridden so that your EV charging would be delayed How would you feel about mandatory charge management of your vehicle multiple choice more than one choice possible mandatory SECTION OPINIONS OF THE DR LC TECHNOLOGY Commercial in Confidence 2013 All Rights Reserved DiUS Computing Pty Ltd Demand management of electric vehicle charging using Victoria s Smart Grid Page 34 ANSWER FIELD S No 1 would want complete control over my vehicle charging at all times Yes but only if the financial benefit was there OPINIONS OF THE OPINIONS OF THE DRILC TECHNOLOGY 00 TECHNOLOGY Maybe depenaing on the following free text Yes even if there was no financial benefit Didnt realise the charge manageme nt events were happening Awe p Demand management of electric vehicle charging using Victoria s Smart Grid ESTION Qu No l sdb ANSWER FIELD S with answer logic As part of your Grid friendly charging experience how useful did you find the following For each select one of the following Couldn t didn t investigate Not at all useful CharaelQ 13 Useful but could have EV charging AS cia Email pie a survived without it sta
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