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Home - Policy - Gravitational Energy Storage Trials set for dismantled mine in Australia – PV Magazine International
Policy

Gravitational Energy Storage Trials set for dismantled mine in Australia – PV Magazine International

solarenergyBy solarenergySeptember 21, 2025No Comments3 Mins Read
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Australian Energy Storage Company Green Gravity and Mining Business Wollongong Resources has signed an agreement to use gravity forces storage tests in a dismantled coal mine.

September 19, 2025
EV Foley

By PV Magazine Australia

Australian Energy Storage Company Green gravity And mining activities Wollongong -Sources, majority of Indian steel giant Jindal Steel and Power Ltd., have signed an agreement to use gravitational energy storage tests in the Russell Vale.

The dismantled underground coal mine, one of the oldest in Australia, is located in the Illawarra region About 10 km north of Wollongong and 60 km south of Sydney. It has been assessed on its suitability to host storage of gravitational forces.

Several mining screens on the site are very suitable for the use of green gravity technology, whereby the number 4 Moonshaft is confirmed as the site of the first effort in the world of breakthrough technology.

Image: Green gravity

Green Gravity CEO Mark Swinnerton said that Wollongong is an ideal location for deploying our innovative clean energy technology.

“The region has a high demand for industrial power in combination with a rich history of coal mining. This agreement shows that that Gravitational energy storage Has an important role to play in switching our urban and industrial energy mix to low carbon sources, “said Swinnerton.

Green Gravity has previously announced the feasibility assessment for commercial use of technology in more than 75 mines.

“With a current implementation pipeline of 10 GWH, Green Gravity is well positioned to have a significant impact on the transition from clean energy,” said Swinnerton. “The demonstration plant at Russell Vale Mine provides test data of World Class. By placing and collecting multiple weights underground with the help of fully autonomous systems, we will have the opportunity to validate the incredible safety and environmental references of Green Gravity technology.”

See also  Poland relaunches solar and storage rebate program for homes – SPE

A technical study and legal approvals for the use of technology at the No. 4 Mineshaft are underway and technical tests include the re -use of the most important infrastructure on the site, in addition to the installation of new electrical and mechanical components.

Image: Green gravity

Wollongong Resources Company Secretary Sanjay Sharma said that the company is dedicated to find smarter ways to reduce emissions and support a low -carbon future.

“Our collaboration with Green Gravity marks an exciting step forward by practicing a world-first clean energy technology here in Australia,” Sharma said. “This project not only shows innovation, but also emphasizes how legacy coal infrastructure can be converted into productive assets that serve a cleaner, more sustainable future.”

The site remains non-grid during tests, with energy storage tests at 150 kW power and the exchange of energy tested at a maximum of 400 meters to support Scaled testing of technology.

The mechanical components and important operating systems are tested on a scale that is sufficient to support future commercial implementations of technology.

A business statement says that the commercial application of Green Gravity’s technology is expected to deliver an increase of a maximum of 10 MW between Eeight and 20 hours of duration with individual mine ships.

This content is protected by copyright and may not be reused. If you want to work with us and reuse part of our content, please contact: editors@pv-magazine.com.

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