With coal mining becoming a thing-of-the-past, the world will be left with a lot of empty mine shafts. However, a group of entrepreneurs in the UK has come up with an idea that would breathe life back ...

A UK company plans to build a full-scale energy storage project in a former mine shaft in mainland Europe. And the initiative in the Czech Republic has moved a step closer after securing support led ...

After years of research and a prototype built in an industrial warehouse, a renewable energy company has signed a deal it hopes will make it the first company in the world to turn a disused mine shaft ...

Green Gravity, a startup proposing to use old mine shafts for gravitational energy storage, has secured AUD 1.4 million ($990,000) in its first formal capital raise. Green Gravity is turning to the ...

Scientists in Austria have developed a long-term energy storage system that uses regenerative braking to adjust the descent speed of sand in mine shafts and generate electricity. Researchers led by ...

Arguably the single biggest problem with the global energy transition is the lack of energy storage, without which renewable energy cannot replace more reliable sources of energy. Currently, ...