Mercury NZ has emerged from its latest financial year a totally different beast.

By its own account, 2022 was one of "transformative change" - having become the country's biggest electricity retailer after the $467 million purchase of Trustpower's retail arm earlier this year.

Following the Tilt Renewables transactions, it has also become the country's biggest wind power generator, having started the year with no operating wind generation at all.

Mercury NZ CEO Vince Hawksworth joined Mike Hosking.

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