Western Australia’s environmental watchdog has decided to subject a $100 billion wind and solar project proposed for the state to a full public assessment process.
The Western Green Energy Hub would build 3000 wind turbines and six million solar panels across 35 farms to power production of hydrogen and ammonia, mostly for export, though potentially leaving some for local use.
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The project from multinational proponents would start at the South Australian border and stretch west along the Nullarbor Plain for hundreds of kilometres, reaching about 400 kilometres east of Kalgoorlie.
An infrastructure corridor is planned to the coast through the newly announced South Coast Marine Park including a marine offloading facility, desalination plant, brine pipeline and ammonia export pipeline.
When fully operational the proponent expects the “workforce, family, and service-driven population” of the area to exceed 8000. The Eucla population at the last Census was 37.
The Environmental Protection Authority received nearly 300 public submissions across seven days of initial public commentary earlier this month and based on these decided on a full public assessment.
Chair Darren Walsh said this would include a 10-week public consultation, lengthier than usual due to the proposal’s scale and potential impacts to marine and land animals and the Nullarbor Plains limestone cave system.
The proponent’s referral states about 95 per cent of the proposed 23,000-square-kilometre envelope will remain undisturbed and that it has been designed with “considerable flexibility” in mind. Chief executive Ray McDonald said on today that the proponents were “fully aligned” with this level of assessment which could inform its “avoidance strategy” and buffer zones.
Scientists remain worried about the potential impacts on the area’s globally environmentally significant caves system and the “increasing incidence of environmental destruction to make way for large-scale renewables projects in nature hotspots”.
The EPA will next prepare a scoping document to outline the environmental review process.