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.
Business Leader Series: Mark Swinnerton, Founder and CEO of Green Gravity
Invest Wollongong
Invest Wollongong sat down with Mark Swinnerton to discuss the motivation behind building Green Gravity and the impact they’re having in the clean energy space.
Green Gravity commences concept engineering with the support of Glencore
Green Gravity has commenced concept engineering study work supported by Glencore at Mount Isa Mines. The study includes assessing the potential to sustainably repurpose multiple mineshafts within the Mount Isa Copper Operations as they cease to be required for mining operations.
Green Gravity completed landmark MOU with the City of Mount Isa
Green Gravity has commenced regional studies, minesite concept engineering, and local community engagement in Mount Isa for the deployment of up to 2 GWh of gravitational energy storage in North West Queensland.
Green Gravity named on Cleantech 50 to Watch
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
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
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.
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
Our Memberships
