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Radically accelerating the world’s renewable transition

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Renewables produce when it is windy and sunny, not when demand calls.

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The world has millions of abandoned mines, mostly un-rehabilitated.

SEE MINING

Green Gravity uses disused mines to store energy. This allows renewable energy to be used when it is needed.

Our technology

Green Gravity’s technology raises and lowers heavy weights in a mine shaft to capture and release the gravitational energy of the weights.

Learn about our technology
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Lab Notes Podcast With Mark Swinnerton – Ep 048 DEEP AMBITION

September 6, 2023
Recently, Mark Swinnerton was a guest on the Lab Notes Podcast hosted by Dr. Leo Stevens. Listen in to hear about the uncommon career path Mark has taken, from an executive at BHP to founder of a renewable energy storage startup, and more about Green Gravity’s world-leading technology.
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Green Gravity, National Merit Recipient for Sustainability and Environment at the Australian iAwards

September 5, 2023
Green Gravity is honoured to have been announced as a National Merit Recipient for Sustainability and Environment at the 2023 Australian iAwards.
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Green Gravity Wins Business Illawarra Outstanding Start-up Award

November 10, 2023
Green Gravity is proud to be announced as winner of the Business Illawarra Outstanding Start-up Award.
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Technology using abandoned mine shafts to create renewable energy attracts international interest

July 21, 2023
ABC News
The monumental launch of Green Gravity’s Gravity Lab™ test facility has received national and global attention, reports ABC News.
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Green Gravity Concludes Partnership Aimed At Delivering Energy Storage At Seventeen Sites In Romania

November 10, 2023
Green Gravity and Complexul Energetic Valea Jiului S.A. (CEVJ) have executed a Cooperation Framework Agreement to explore the application of Green Gravity’s innovative energy storage technology in seventeen (17) mine shafts on the four (4) mining operations in the Valea Jiului in Romania.
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Chris Bowen, Minister for Climate Change and Energy, Visits the Gravity Lab™

August 14, 2023
Green Gravity
Green Gravity was pleased to welcome Chris Bowen, Minister for Climate Change and Energy, to the Gravity Lab™ to showcase our technology, and to present its distinct advantages in the energy storage landscape.
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Our technology provides low-cost, flexible and ultra-green energy storage.

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Circular

Driving circular economic value by reusing old mine shafts to support green energy.
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Flexible

Provides short or mid duration storage or grid ancillary services.

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Sustainable

Low noise, small land use, no water, chemicals, or destruction of farmland. Our technology can be fully recycled, unlike battery options.

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Local

Locally sourced materials, supply chain and workforce create economic value in the local community.

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Low-Cost

Offering attractive economics due to reuse of infrastructure, high efficiency, low operating and maintenance costs and long life of the asset.

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Long Life

Our system does not degrade, meaning we invest once to match long run energy security needs, avoiding the costly performance degradation of batteries.

Our Partners

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Our Memberships

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clean energy council member
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Radically accelerating the world’s renewable transition

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