These pharonic electricity storage schemes were initiated by Australia

To achieve its energy transition, Australia relies heavily on electricity storage systems. The country wants to regulate its wind and solar generation with the planet’s most powerful giant batteries and pumped storage energy transfer stations (STEP).

77% of Australia’s electricity is used Produced from fossil resources : Coal (55%), Gas (21%) and Fuel Oil (1.7%). The nation-state is the world’s second-largest producer of uranium and while it has its eye on nuclear submarines, it ironically refuses to use nukes on its soil. It has no nuclear power plant And don’t plan to build anything at this time.

Hence its energy conversion is based only on variable renewable energies such as wind and solar. But how does he intend to ensure his electricity supply day and night, wind and sun or not? To overcome this challenge, he relies Very large capacity electricity storage systems.

Evolution of the composition and composition of electricity generation in Australia / infographics: RE.

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Lots of batteries, but not powerful

Australia has about 1.1 GWh and 0.8 GW Standard batteries Currently spread across 12 sites in operation. According to the Australian site, 12 batteries with a total capacity of 1.3 GWh are under construction, and 60 new projects are currently being studied. Renewal Economy.

Despite the country’s impressive investments Standard mega batteries, this storage system alone will not be enough to meet the needs of 25.7 million people who use 100% renewable electricity. Australia is betting on this Storage Pumped Power Stations (STEP).

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Pumped storage is a huge potential in Australia

Despite limited water resources, the island has plenty Saves huge amounts of electricity In some of its irrigated hills. It already has 2.6 GW STEP and Workstations, which will soon increase the power capacity to 4.9 GW. A number of projects with a total capacity of 7.4 GW are under study. According to Australian university professorsThe potential to store electricity through pumped storage would be absolutely monumental: 67,000 GWh Over 22,000 sites.

By 2026, Australia will open up significantly World’s largest WWTP. Called “Snowy 2.0”, it will generate 2 GW of power with a capacity of 350 GWh. To get a better idea of ​​what this amount represents, 350 GWh is equivalent to 33 days of electricity consumption for the city of Marseille. BIG STEP It claims 120 GWh currently running on the planet

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Mines transferred to WWTP

Australia is also developing a second plan Giga-step Named “Pioneer-Burdekin”, it is planned to be commissioned in 2032 with 5 GW and 120 to 150 GWh of storage. In parallel with these giant power plants, many smaller WWTPs are set up, sometimes on original sites.

It is about 300 km northwest of Brisbane An open pit gold mine 20 GWh will accommodate a 2 GW system. Modest measurements for a WWTP, but clearly superior to all standard battery projects already in Australia.

If abandoned in 2027, the 380-meter-deep crater will serve as a lower reservoir. The upper basin is dug in another pit left by the operator.

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Australia opts for storage, Europe prefers interconnections, gas and nuclear power

Thanks to its plan to develop large-scale electricity storage systems, Australia can easily integrate wind and solar power generation and has little or no need for controllable fossil power plants. A strategy quite different from the one chosen in Europe Large savings plans are rare.

The Old Continent prefers at this time to believe much of it contacts And Gas Power Stations To streamline production of variable renewable energies. Some countries, such as France, also choose Nuclear, very low carbon-concentration.

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