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.
Can This Innovative Tech Solve Our Energy Storage Dilemma?
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.
Green Gravity wins merit award for sustainability at the iAwards24
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.
Green Gravity named Small Business of the Year by Business Illawarra
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.
Buried Treasure: Startup Mines Clean Energy’s Prospects With Digital Twins
NVIDIA
Mark Swinnerton aims to fight climate change by transforming abandoned mines into storage tanks of renewable energy. The CEO of startup Green Gravity is prototyping his ambitious vision in a warehouse 60 miles south of Sydney, Australia, and simulating it in NVIDIA Omniverse, a platform for building 3D workflows and applications.
Partnership in Romania takes next steps
Technical collaboration between Green Gravity and CEVJ in Romania includes detailed stie inspections of mineshafts in the Jiu Valley. Green Gravity team members spent time with each of their counterparts for detailed condition inspections of key prospective mineshafts in Petrosani, Romania.
Q&A: using digital twins to convert abandoned mines to clean energy
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.
Our Partners
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