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Clean energy at scale: innovation for sustainable export. This ambitious project aims to generate more than 200 TWh of renewable energy per year, exceeding demand and creating a surplus for export in the form of green hydrogen and ammonia.
Australia’s big push into renewable energy isn’t just redefining its relationship with Southeast Asia; it’s also redefining the boundaries of what a wind and solar project can achieve.
The world's largest renewable energy hub. The ambitious Western Green Energy Hub (WGEH) is designed to occupy an area of 22.700 square kilometers on the desert coast of Western Australia.
This is an area larger than the territory of 47 different countries. With this scale, it leaves the largest renewable energy projects of today, such as Karapinar in Turkey (20 km²), Urumqi in China (133 km²) or Khavda in India (600 km²), as small.
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The world's largest renewable energy project
WGEH aims to install 3.000 wind turbines of between 7 and 20 megawatts, in addition to 60 million photovoltaic panels distributed across 35 solar parks. Their combined capacity would be colossal, reaching up to 70 gigawatts.
More electricity than entire countries. The WGEH is projected to generate more than 200 terawatt-hours of clean energy per year, an impressive figure that surpasses the annual electrical production of most countries.
In fact, it’s slightly less than Australia itself generates in total. In 2023, Australia generated 273 TWh of energy, of which 65% came from fossil fuels, mainly coal and natural gas.
Green hydrogen and ammonia: the future of energy exports
Green hydrogen and ammonia for export. If the project exceeds Australia’s energy demand, what happens to the surplus? WGEH plans to use it to produce 3,5 million tonnes of green hydrogen per year.
The hydrogen would be stored for times of low renewable production, enabling a continuous supply of clean energy both locally and internationally through subsea interconnections.
Green hydrogen would not be exported as such, but rather in the form of green ammonia, which is easier to store and transport than hydrogen, and is also a viable way to decarbonize industry and agriculture.
Construction in seven phases. The project is led by a consortium of companies including InterContinental Energy, CWP Global and Mirning Green Energy Limited. Its construction is planned in seven phases spread over 30 years.
The objective is to install 35 cores of between 2 and 3 GW each by 2050, keeping up with the growth in market energy demand.
WGEH is not without its challenges. The only existing 20 MW turbines are the largest in the world and are currently only available in China, due to the logistical problems of transporting their 131-meter blades.
In short, the project anticipates technological advances that have not yet been realized.
