The Asian Renewable Energy Hub (AREH) is a proposal to create one of the world's largest

renewable energy Renewable energy is energy that is collected from renewable resources that are naturally replenished on a human timescale. It includes sources such as sunlight, wind, the movement of water, and geothermal heat. Although most renewable energy ...

plant in the

Pilbara The Pilbara () is a large, dry, thinly populated region in the north of Western Australia. It is known for its Aboriginal peoples; its ancient landscapes; the red earth; and its vast mineral deposits, in particular iron ore. It is also a glo ...

region of

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. It was first proposed in 2014, with plans for the project concept changing several times since then. , the project developers BP
Intercontinental EnergyCWP Global

Vestas Vestas Wind Systems A/S is a Danish manufacturer, seller, installer, and servicer of wind turbines that was founded in 1945. The company operates manufacturing plants in Denmark, Germany, the Netherlands, Taiwan, India, Italy, Romania, the Uni ...

and Pathway Investments were planning to build a mixture of

wind power Wind power or wind energy is mostly the use of wind turbines to electricity generation, generate electricity. Wind power is a popular, sustainable energy, sustainable, renewable energy source that has a much smaller Environmental impact of wi ...

and

solar energy Solar energy is radiant light and heat from the Sun that is harnessed using a range of technologies such as solar power to generate electricity, solar thermal energy (including solar water heating), and solar architecture. It is an essenti ...

power generators which would generate up to 26

gigawatt The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named after James Wat ...

s of power. Up to 1,743

wind turbine A wind turbine is a device that converts the kinetic energy of wind into electrical energy. Hundreds of thousands of large turbines, in installations known as wind farms, now generate over 650 gigawatts of power, with 60 GW added each year. ...

s of in height would be accommodated in of land, and 18 arrays of

solar panel A solar cell panel, solar electric panel, photo-voltaic (PV) module, PV panel or solar panel is an assembly of photovoltaic solar cells mounted in a (usually rectangular) frame, and a neatly organised collection of PV panels is called a photo ...

s each generating 600

megawatt The watt (symbol: W) is the unit of Power (physics), power or radiant flux in the International System of Units, International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantification (science), ...

s would cover . It is to be located in the

Shire of East Pilbara The Shire of East Pilbara is one of the four local government areas in the Pilbara region of Western Australia. With an area of , larger than the Australian states of Victoria and Tasmania combined, it is the largest local government region in A ...

, about inland from 80 Mile Beach, with the nearest settlement on the map being

Mandora Station Mandora Station is a cattle station on the Western Australia coast south of Broome, located in the Shire of Broome. In earlier years it has also been a sheep station. It maintains a weather station and is noted for the Mandora Marsh wetlan ...

. The total size of the scheme would be about . The

Government of Western Australia The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state democratic administrative authority of Western Australia. It is also commonly referred to as the WA Government o ...

gave environmental approval for phase one of the project (15,000MW of power generation, across in October 2020. The project initially aimed to supply power via an undersea power cable (to

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

and perhaps on to

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

) with a capacity of 15GW, using four cables, each long. However, having explored the potential of exporting

green hydrogen Green hydrogen (GH2 or GH2) is hydrogen generated by renewable energy or from low-carbon power. Green hydrogen has significantly lower carbon emissions than grey hydrogen, which is produced by steam reforming of natural gas, which makes up the b ...

via the manufacture of ammonia, it was able to aim for an extra 11GW. The plant would use the electricity generated by the

s and solar power to extract

hydrogen Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula . It is colorless, odorless, tasteless, non-toxic, an ...

from water. The hydrogen is then mixed with

nitrogen Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at se ...

extracted from the

air The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing for ...

to produce ammonia. The

ammonia Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...

is easily transported using

tankers Tanker may refer to: Transportation * Tanker, a tank crewman (US) * Tanker (ship), a ship designed to carry bulk liquids ** Chemical tanker, a type of tanker designed to transport chemicals in bulk ** Oil tanker, also known as a petroleum tanke ...

, and opens up the possibility for more markets around the world. For the ten years of project construction, the project is expected to create 5,000 jobs, with about 3,000 ongoing jobs anticipated over its 50-year lifetime. It is planned to create a coastal town campus between

Port Hedland A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Ham ...

and Broome, and a

desalination plant Desalination is a process that takes away mineral components from saline water. More generally, desalination refers to the removal of salts and minerals from a target substance, as in soil desalination, which is an issue for agriculture. Saltwa ...

s will provide most of the water supply needed for both human consumption and plant cooling purposes. Given the status of "major project" by the

federal government A federation (also known as a federal state) is a political entity characterized by a union of partially self-governing provinces, states, or other regions under a central federal government (federalism). In a federation, the self-governin ...

in October 2020, the proposed development of the plant enables the goals set under the Western Australian Renewable Hydrogen Strategy to be brought forward from 2040 to 2030. After a revised proposal was submitted to the Australian Government, in June 2021 Minister for the Environment

Sussan Ley Sussan Penelope Ley (pron. , "Susan Lee"; ; born 14 December 1961) is an Australian politician who has been deputy leader of the Liberal Party since May 2022. She has been member of parliament (MP) for the New South Wales seat of Farrer since 2 ...

ruled this plan unacceptable owing to its potential impact on threatened migratory species and internationally significant

wetlands A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...

in the area. Eighty Mile Beach is a

RAMSAR Ramsar may refer to: * Places so named: ** Ramsar, Mazandaran, city in Iran ** Ramsar, Rajasthan, village in India * Eponyms of the Iranian city: ** Ramsar Convention concerning wetlands, signed in Ramsar, Iran ** Ramsar site, wetland listed in a ...

listed site which provides habitat for several threatened species of

migratory bird Bird migration is the regular seasonal movement, often north and south along a flyway, between Breeding in the wild, breeding and wintering grounds. Many species of bird migrate. Animal migration, Migration carries high costs in predation a ...

s and a large population of

waterbird A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water. In some definitions, the term ''water bird'' is especially applied to birds in freshwater ecosystems, although others make no distinction from seabi ...

s, which would be disrupted by the marine components of the project, which would affect tidal movements. The consortium intended to continue to work on the environmental impact plans and mitigation measures, and is confident in developing and delivering a successful project.

References

{{reflist Renewable energy in Australia Pilbara Energy in Western Australia Proposed buildings and structures in Australia