Colin Ambler/cvnznews.com
Transpower has posted one of its strongest financial results in years, reporting a 64% jump in annual profit as New Zealand’s electricity system enters a period of rapid expansion and record demand.
The state‑owned grid operator recorded a net profit of $176 million for the year to June, up from $107m the previous year. Operating earnings climbed to $704m, with revenue rising 17% — largely driven by a higher weighted average cost of capital approved under the Commerce Commission’s latest regulatory period, RCP4.
The profit lift comes as Transpower accelerates investment across the national grid. The company said earnings growth was matched by a “step‑up” in spending to replace ageing infrastructure, strengthen resilience, and prepare for surging electricity use. Operating expenses rose 6%, reflecting heavier maintenance workloads after severe weather events, increased technology investment, and the final phase of a planned workforce expansion.
Transpower’s board declared a $30m final dividend, slightly above its forecast.
The financial result lands as the company embarks on a major upgrade programme. The Commerce Commission has signed off $1.1 billion for the first stage of renewing the High Voltage Direct Current link between the North and South Islands — one of the most critical assets in the national grid. Approval has also been granted for $47m to rebuild the Redclyffe substation and $50.5m to replace the 31km Ōtāhuhu–Whakamaru transmission line.
During the year, Transpower enabled 18 renewable generation, battery, and capacity‑upgrade projects, adding 669MW — enough to power roughly 211,000 households. Another 22 projects, representing around 3000MW, are in delivery and could be completed by 2028 if customers commit.
Chief executive James Kilty said New Zealand is entering a historic build‑out of electricity infrastructure. “We have a significant work programme ahead of us to support New Zealand’s electrification,” he said, noting that demand peaks hit record levels during August’s cold snap.
Chair Michele Embling said the company remained focused on reliability, disciplined cost control, and enabling the transition to a more electrified economy.
