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Electric cars could keep the house lights on

 

Vehicle-to-grid technology could enable electric cars to work as household batteries on wheels.

By Jennifer Dudley-Nicholson

Australian electric car owners could use their vehicle batteries to keep the lights on this Christmas after the arrival of a long-awaited policy change. 

Federal Energy Minister Chris Bowen is expected to announce a standard for vehicle-to-grid technology at the Sydney International EV Show on Saturday, allowing electric cars to work as household batteries on wheels.

The announcement comes four months after the technology was raised as a priority for state and federal energy ministers in the Consumer Energy Roadmap and after studies into its potential launched by the CSIRO and NRMA in October.

Vehicle-to-grid technology (V2G) works by connecting an electric car to a bi-directional charger installed in a garage.

Electricity in the car’s battery can be used to power a home or be fed back into the grid during times of high demand.

The technology had the potential to give consumers control of their energy resources, Mr Bowen said, and let households store energy generated by rooftop solar panels and decide when to use it.

“It means when you pick your next EV you won’t be buying just a car, you’ll be buying a household battery on wheels,” he said.

“This is a very good step forward in giving consumers more choices and more control.”

Despite widespread interest and several Australian trials, the technology has been unavailable to households due to a lack of regulatory standards.

With rules in place, Mr Bowen said the technology could be available within weeks.

“We now have a revised standard in place to make bi-directional charging, or reverse charging, possible in Australian homes,” he said.

“If you’ve got a car with V2G capability and a bi-directional device, you could be using that car to power your house before the end of this year.”

Vehicles and chargers using the technology must first be approved by the Clean Energy Council, Mr Bowen said, and cleared for use by distribution networks.

Several large automotive brands already support vehicle-to-grid technology including Ford, Kia, XPENG, Audi, Nissan, Volkswagen, Cupra and Mitsubishi.

Other automakers including Tesla have expressed interest in adding the technology to future vehicles.

Although the technology will be new to motorists, researchers have held several V2G trials in Australia, including a test at the Australian National University in Canberra in which 16 cars fed power back into the electricity grid during a blackout.

In October, the CSIRO also announced a V2G research project to test whether a car could power a “house of the future” and NRMA, iMove and the University of Technology Sydney announced a 2.5-year project to assess attitudes and ways to deliver the technology in Australia.

A study for the Australian Renewable Energy Agency, conducted by Energeia, also found electric vehicle owners had the potential to make as much as $12,000 a year from connecting their cars and providing power to the electricity grid.

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One Response to Electric cars could keep the house lights on

David says: 9 November 2024 at 1:01 pm

Finally, do a search on “UK Roadmap for Residential Vehicle-to-Grid (V2G)” and you’ll discover the UK release the report in Q1 2023 with the funding for trials being made in 2018. Yes, over 6 years ago.

How could any self respecting politician announce this now in Australia as something good as opposed to acknowledging just how pathetically slow Australia has been in this area. How can we still be waiting on the CEC to approve it?

Who is funding NRMA, iMove and UTS for a 2.5-year project that just started when there are the results of far more significant V2G studies already available?!

I guess the government is relying on the quality of our journalists reporting this stuff. You have to wonder how someone who can obvious type on a keyboard fails to be able to type V2G into Google?!

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