Synergy sells six Esperance turbines as decommissioning comes in $1 million under budget
Australia's second-oldest wind farm shows resale and local contracting can meaningfully cut end-of-life costs, a data point as larger repowerings loom.
Western Australia's state-owned utility Synergy completed decommissioning work on 26 turbines at its Esperance wind farm roughly $1 million under budget, a result the company's environmental closure planning lead described as "a great result." The key driver was avoiding landfill: Synergy sold the six younger turbines from the Nine Mile Beach section to Blair Fox, a family-owned electricity company, rather than paying to scrap them.1
The cost of taking wind farms apart is becoming a live issue as the first commercial wave of projects reaches end of life. Australia's fleet is young by global standards, but the Esperance project — the country's second-oldest wind farm — now offers a concrete data point for what decommissioning actually costs when equipment retains resale value and work stays local. Synergy's environmental closure planning lead cited the use of a local contractor as another key factor in coming in under budget.1
The Esperance result lands as developers across several markets commit to much larger rebuilds of ageing capacity. ScottishPower in July (2026-07-22) announced a £1.5 billion repowering of Whitelee, the UK's largest onshore wind farm at 533 MW, replacing 215 turbines on Eaglesham Moor south of Glasgow with 124 machines standing around 250 metres tall. The project lifts capacity from 539 MW to roughly 1 GW.4
The economics are straightforward. Taller turbines with bigger rotors extract more energy from the same wind resource, and the land, grid connection and consenting already exist. As Canary Media noted in August (2026-08-13), turbines get taller, better, and more cost-effective over time — an ironclad pattern in turbine development that ScottishPower's proposed project illustrates again.6
Repowering is not confined to the UK. Meridian Energy in New Zealand secured the final major resource consent needed in early August (2026-08-03) to repower its 172 MW Te Rere Hau Wind Farm in Manawatū, replacing a 45.5 MW section with up to 40 new turbines.5
The commercial question is whether decommissioning and rebuild costs behave predictably at scale. The Esperance experience suggests resale markets for used turbines are functional, at least for younger machines. But Whitelee's 215 old turbines will not all find buyers, and the cost of removing foundations, roads and substations varies sharply by site.1,4
Wind economics are also being tested at the construction end of the cycle. RWE in June (2026-06-12) installed the first turbine at its 1.6 GW Nordseecluster A project in the German North Sea, with all 44 Vestas machines expected in place by year-end. East Anglia Three off Suffolk installed its final monopile in August (2026-08-17), completing all 95 foundations for the £4 billion, 1.4 GW project, with each foundation weighing between 1,200 and 1,800 tonnes.3,7
Those projects point to a fleet that will eventually need its own end-of-life solutions. Offshore turbines are bigger, harder to reach, and costlier to dismantle than the onshore machines at Esperance. The recycling and reuse playbook that worked in Western Australia may not transfer directly to the North Sea.7,1
Australia is also building new capacity at the same time it tears down old machines. Squadron Energy had nearly completed all 69 turbine cages for its 414 MW Uungula wind farm in New South Wales by early June (2026-06-02), with local manufacturing of those components supporting regional supply chains.2
The interplay between new build and decommissioning costs shapes how utilities and independent producers decide whether to repower, extend life, or shut down ageing assets. The Esperance result is one useful data point, but it comes from a small, isolated site with a willing local buyer for six turbines.1
The unresolved question is whether the resale and recycling market that made Esperance cheap can scale to the hundreds of turbines slated for replacement at Whitelee and across Europe's ageing onshore fleet. If it cannot, decommissioning costs will land harder on project economics than the Australian result suggests. How ScottishPower prices the removal and disposal of Whitelee's 215 existing turbines when it files its final repowering budget will be the next concrete test of that assumption.4,1