Radically accelerating the world’s renewable transition
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.
Green Gravity named on Cleantech 50 to Watch
October 17, 2024
Green Gravity has been named on Cleantech Group’s prestigious 2024 Cleantech 50 to Watch. Cleantech Group is the leading global authority in global cleantech innovation. This annual list highlights 50 early-stage companies from across the globe that are creating groundbreaking solutions to address some of the world’s most pressing environmental and sustainability challenges.
Green Gravity closes Series A capital raise
October 15, 2024
Press Release
Green Gravity have secured AUD $9 Million in funding with strong backing from existing and new major strategic and financial investors. This is a significant milestone that demonstrates global recognition for Green Gravity’s world leading approach to repurposing legacy mineshafts for utility-scale long-duration energy storage.
Green Gravity named Small Business of the Year by Business Illawarra
September 17, 2024
Business Illawarra
Green Gravity was named as Small Business of the Year for 2024 by Business Illawarra. In a second category, Green Gravity was also awarded Highly Commended in the category of Innovation.
Green Gravity wins merit award for sustainability at the iAwards24
July 26, 2024
Green Gravity was awarded merit in the NSW iAwards24 Sustainability category. This achievement means Green Gravity will now be a national finalist in the upcoming event in Adelaide in August 2024.
Can This Innovative Tech Solve Our Energy Storage Dilemma?
June 7, 2024
CTRL+Listen Podcast
In this episode of the CTRL+Listen podcast, host James Sweetlove interviews Mark Swinnerton, the CEO of Green Gravity, a company pioneering the use of gravitational energy storage to support renewable energy solutions.
Q&A: using digital twins to convert abandoned mines to clean energy
April 8, 2024
Mining Technology
Abandoned mine tunnels and shafts leave scars on a landscape, but what if they could form a whole new source of clean energy? Kit Million Ross speaks with Green Gravity CEO Mark Swinnerton to see how digital twins are helping to do just that.
Our technology provides low-cost, flexible and ultra-green energy storage.
Circular
Driving circular economic value by reusing old mine shafts to support green energy.Flexible
Provides short or mid duration storage or grid ancillary services.
Sustainable
Low noise, small land use, no water, chemicals, or destruction of farmland. Our technology can be fully recycled, unlike battery options.
Local
Locally sourced materials, supply chain and workforce create economic value in the local community.
Low-Cost
Offering attractive economics due to reuse of infrastructure, high efficiency, low operating and maintenance costs and long life of the asset.
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.