Blocked bays and failed handshakes: many public EV chargers are unusable – despite being ‘online’

Thu, 16 Oct 2025 11:13:38 +1100

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/blocked-bays-and-failed-handshakes-many-public-ev-chargers-are-unusable-despite-being-online-239402>

"More public electric vehicle (EV) chargers will be built across Australia
through a A$40 million funding boost, according to a recent government
announcement. The new chargers will be a mix of fast chargers and kerbside
chargers.

More chargers should mean more confidence for drivers to make the switch to
EVs. But as researchers who study charging networks, we see a critical design
flaw. The government is focusing on expanding the number of chargers. The
problem is ensuring chargers actually do what they should: charge your car.

Most EV drivers charge at home. But when they use the public network, they need
to know the charger is working. To track this, the government uses a metric
called “uptime”, requiring chargers to be online 98% of the time. That sounds
good. But it only measures whether a charger is connected to the network – not
whether you can actually use it.

Fixing this gap will be essential to give motorists confidence in EV chargers –
and speed up the slow shift to electric transport."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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