[quote]Victorians transitioning from gas exacerbates growing problem of undervoltage

Marie Slako moved into her Northcote [Melbourne] home two years ago, attracted to the property for its rooftop solar and partial conversion to electricity-powered heating and appliances.

“I’d like to get off fossil fuels,” Ms Slako, who previously worked for energy distributor AusNet, said. “And also gas is really expensive. The winter price, it hurts.”

But shortly after moving in, problems started.

First, Ms Slako noticed she could only use one hotplate at a time on her induction cooktop. Then she found the microwave would not heat food at dinnertime, but would burn everything at other times.

This month, she discovered her split system would not heat the house.

…

Induction cooktops were not working. EV chargers were disconnecting, leaving cars without battery. Heaters were struggling to push out hot air.

…

Undervoltage issues were occurring primarily in older areas of the network, such as inner city and older suburban Melbourne, and older urban areas of Ballarat, Geelong and Bendigo.

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https://www.abc.net.au/news/2026-04-22/victoria-undervoltage-melbourne-gas-elect...

Old infrastructure just can't cope.

Actually about the UK, but fits.