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EV ManagementGeoff ThorburnNetwork Operations ManagerNovember 2019
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Greater Wellington Network
• NZ 4th largest EDB
• Safe, Reliable, Cost
effective
• 400k People
• Early Adopters
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Cost Quality
Lower Cost
Better Quality
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CKI – Distribution Companies
Australia
UK
WE
Hong Kong
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The Current World
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The New World
New Technology
Transformation to DSO
Electric Transport
Distributed Generation
Energy Storage
Smart Network
Energy Efficiency
Real Time Technology Digitisation
DNO
DSO
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2 EV Uptake
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AC versus DC Charging
(ChargeNet.NZ)
X 15
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And the Bus?
X 130
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EV uptake in Wellington
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Report
on Electri
c Vehicle
Char
ging Trial
July 2018
EV charging will increase average residential demand by approximately
2,500kWh, equal to 1/4 - 1/3 of annual residential electricity
consumption, or:
10 for3months100W
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Report
on Electri
c Vehicle
Char
ging TrialJuly 2018
*33% increase in estimated average annual residential electricity consumption for EV owners is offsetby zero petrol costs.
CombustionEngineVehicle
Electricity
$1,890pa
$2,520pa
Saving
$2,080pa =+
Petrol
$2,710pa=$4,600pa
ElectricVehicle
Electricity 33%
$ 45%reduction in household energy costs
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3 London Calling
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UK Power Networks
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The New Decentralised World
Already experiencing the effects of the “New Decentralised World”
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EV Trials
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4Reducing the Impact
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Collaboration
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Pricing Trial
11c / kWh
2.5c / kWh
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Modulation of EV chargers
Co-funded by:
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Modulation of EV chargers
79˚C242 V 856 A
Charger modulation:
16 A
74˚C240 V 803 A
32 A
No change
16 A
16 A
WE* NCR
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90% of EV’s will charge at home:Where are they located?
How can NZTA help
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love to hear your questions?
The End