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EVC对ESB-AER的回应——提高网络知名度的好处——咨询文件

信息技术2023-08-24电动汽车委员会等***

AI智能总结

The Electric Vehicle Council (EVC) emphasizes the critical need for public charging infrastructure to support the transition to electric vehicles (EVs) in Australia, highlighting that insufficient infrastructure deployment will hinder net-zero targets. The EVC advocates for improving network capacity information visibility to facilitate efficient charging infrastructure planning and deployment, citing Essential Energy's tool as a prime example of effective data sharing.

Core Views and Key Data

Infrastructure Deployment: The EVC stresses that rapid deployment of public charging infrastructure is essential to avoid slowing down the EV transition, which is crucial for achieving net-zero targets.
Network Visibility Benefits: Enhanced visibility of network capacity offers multiple advantages, including time savings for planning organizations, streamlined processes for infrastructure planners and utilities, and collective industry shaping of the electrified transport system.
Essential Energy's Tool: The EVC praises Essential Energy's tool for providing insights into low voltage network capacity, noting its ability to help charging point operators (CPOs) assess geographic areas efficiently. This tool reduces the number of connection applications and improves the likelihood of site suitability.

Specific Commentary

Data Gaps and Solutions: The EVC identifies gaps in data for high-power EV chargers, particularly regarding available capacity at specific locations. Feeder capacity information is deemed more useful than zone substation capacity for such applications.
Regional Examples: The EVC acknowledges efforts in other regions, such as SAPN's feeder-level information portal, Ergon and Energex's transformer monitoring data, and Victoria's smart meter deployment potential.
Cost and Feasibility: The EVC argues that the absence of smart meters or transformer monitoring should not hinder data visibility efforts, as Essential Energy's success demonstrates minimal investment requirements.
Connection Approvals: The EVC suggests that DNSPs should expedite connection approvals and consider second lines of supply, particularly for businesses with open-air parking areas, to support EV charging deployment.

Data Sharing and Instrumentation

Data Sources: The EVC recommends aggregating smart meter data and directly monitoring transformers (300kVA and above) as key data sources. Feeder monitoring will also play a role for larger-scale EV charging sites.
Cost Analysis: The EVC encourages the AER to model transformer instrumentation costs and compare them to consumer savings from EV adoption.
Data Accessibility: Publicly available data for network-owned assets (feeder or transformer) is supported, while privately owned transformer data should remain private but feeder data should still be accessible.
Data Frequency: The EVC proposes sensitivity testing for update frequency, suggesting monthly or quarterly updates could significantly enhance data confidence without substantial additional costs.

Conclusion

The EVC underscores the importance of data visibility in accelerating EV infrastructure deployment, advocating for practical solutions like Essential Energy's tool and emphasizing that the benefits outweigh the costs, given the broader economic and environmental savings from EV adoption.

EVC response to: August 2023 With reference to: https://www.aer.gov.au/networks-pipelines/guidelines-schemes-models-reviews/network-visibility Prepared by: Ross De Rango Preamble: The Electric Vehicle Council (EVC), Australia's national representative body for the EVindustry, appreciates the opportunity to provide feedback on the AER’s consultation paper inresponse to the work on network visibility undertaken by the ESB. TheEVC was one of the organisations involved in the use case development workundertaken by Oakley Greenwood and would be pleased to be involved in this work as itprogresses. Executive summary of EVC position: The uptake of electric vehicles is going to require the deploymentof public charginginfrastructure.In areas where public charging infrastructure fails to keep pace with demand,the transition to EV will predictably be slowed, which will compromise the pursuit of net zerotargets at a state and federal level - these targets being contingent on the reduction in use ofpetrol and diesel.In addition, as EV uptake increases, drivers who have already made theswitchto EV will suffer negative outcomes(ie,lack of availability of public chargingequipment at some places and times) if infrastructure deployment fails to keep up. Improving visibility of network capacity information offers a multitude of benefits for theplanningand deployment of charging infrastructure.It can save substantial time fororganisations planning deployments, make it easier for infrastructure planners and electricityutilities to do business, and allow the industry to collectively shape the future of an electrifiedtransport system. Essential Energy has released a great tool that provides insights into the estimated capacityon their low voltage network. Given many variables determine if a network has capacity forelectric vehicle load, the tool doesn’t replace a formal connection application process.However, it does allow organisations such as charging point operators (CPOs) to rapidlyassess a geographic area against their equipment deployment plans. For Essential Energy,this potentially reduces the number of individual applications needed for a business planningmultiple EV infrastructure sites, with a higher probability that the selected sites will be fit-forpurpose.It’snot just a process and efficiency improvement for the applicant,whichfacilitates faster and lower cost EV charging equipment deployment - it is also a process andefficiencyimprovement mechanism for the DNSP,because it reduces the number ofreceived connection applications that require processing, but which are unlikely to progressto connection. This is currently the gold standard in Australia demonstrating the potential of sharing existingnetwork data to support public EV charging equipment deployment in an accessible way.We note specifically that this has been achieved in an environment without ubiquitous smartmeter deployment, and without extensive existing instrumentation of distribution substations(ie,pole and pad mounted transformers).We’dlike to see something similar in alljurisdictions, and for it to extend upwards to feeder capacity data. Specific commentary Appendix 6.4 identifies a couple of items specifically related to EV charging: One of the key data gaps that will be useful to parties deploying high power EV chargingequipment, that is potentially answerable data held by the DNSPs, is the available capacityat locations within a geographic area, at a level sufficiently granular to be useful. Zone substation capacity, which is required to be made available already, is not particularlyuseful in this regard.A party looking for a 500kVA supply within a regional township doesn’tneed to know if there is 5MVA of capacity at the zone sub serving that town, they need toknow if there is 500kVA of capacity on the feeder in the location they are considering. Feeder capacity information is more granular, and hence more useful, than zone substationinformation. A party looking to deploy 2 x 50kW EV chargers will be trying to avoid the requirement toinvest in the upgrade of a transformer.What they’re looking for is an existing distributionsubstation (ie, pole or pad mount transformer) in the 350-500kVA range, with at least100kVA of spare capacity. Transformer capacity information is more granular, and hence more useful, than feedercapacity information. It is this transformer capacity information that the Essential Energy portal reference in theexecutive summary provides, in an easy-to-use interface. In other regions, some work in this direction has been done, which goes beyond theminimum requirements called for in the DAPR arrangements – for example: SAPN have a portal with feeder-level information, that went live earlier this year:https://www.sapowernetworks.com.au/data/315234/new-network-visualisation-portal-launched/ Ergon and Energex publish transformer monitoring data: https://www.energex.com.au/about-us/company-information/our-network/da

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