PremiumNikki BirrellNZ Herald·15 Jun, 2026 08:00 PM4 mins to readWe asked two power comparison tools – and ChatGPT – the same question: here’s what happened.We asked two power comparison tools – and ChatGPT – the same question: here’s what happened.If you’ve ever gone looking for a cheaper power deal, the promise seems simple: enter a few details, compare plans and start saving.
But after testing three different approaches side-by-side – Consumer NZ’s Powerswitch, the Electricity Authority’s Billy platform and ChatGPT –
