Australian wind economics are "getting worse," developers warn even as subsidies flow

Australian wind economics are "getting worse," developers warn even as subsidies flow Rising build costs, transmission delays and a fickle off-take market are stalling new wind projects across Australia despite federal Capacity Investment Scheme support. The economics of building new wind farms in Australia are "getting worse, not better," the chief executive of one of the country's largest energy utilities said in remarks reported on Friday (2026-06-05), and the federal Capacity Investment Scheme is not changing the math. Rising construction costs, connection and transmission delays and a fickle off-take market are increasingly blocking projects from reaching a final investment decision.² That matters because the Capacity Investment Scheme was meant to be the backstop that got projects built, the subsidy that underwrote revenue so developers would commit capital. If even supported wind cannot clear the investment-decision hurdle, the build-out of new generation slows, and the warning is coming from the head of a major utility rather than a marginal player.² The same message came out of Tasmania. At the 8th Annual Tasmanian Energy Development conference in Devonport on Wednesday (2026-06-03), developers of island wind projects offered an almost identical account, with one presentation opening with a warning to the audience before the speaker reached any numbers.² Acen put a figure on it. Pollington, speaking for the developer, said it had spent about $25 million on its Robbins Island and Jim's Plains projects, which have sat in the development pipeline for close to a decade.² Robbins Island shows where the money goes. Acen has to build a long, winding transmission line to connect the project to Tasmania's grid, and that cost keeps eating into a business case the company has been trying to make work for nearly ten years.² The complaints landed at back-to-back industry gatherings. At the Clean Energy Council's Australian Wind Industry Forum in Melbourne on Tuesday (2026-06-02), the supply side was, as one attendee put it, largely talking to itself, a room of developers comparing the same problems.¹ Two warnings, from a major utility boss and from a mid-scale developer at the other end of the country, point the same way. The cost stack that decides a wind project is moving against developers faster than revenue support can offset it.² None of this is new in kind. What has shifted is the framing. Developers are no longer treating transmission and connection delays as teething problems but as the factor that decides whether a project is built at all.² The off-take market is the other squeeze. Wind developers need long-term contracts to finance construction, and they say those deals are getting harder to win even where a subsidy scheme sits behind them. A project can clear planning, secure support, and still stall because no buyer will sign for the output at a price that covers the build.² The test now is whether any of these long-stalled projects reaches a final investment decision in the months ahead. Robbins Island, a decade and roughly $25 million into development, is the one to watch. If Acen cannot make the numbers work with the transmission line attached, the message from the conference circuit stops being a complaint and becomes a forecast about how much new Australian wind actually gets built.²