3 ms·
> Some people have been working on an approach pulling railcars full of rock up a slope, which should have more location options, but I don't know how the math
by fluffything 7y ago
> Some people have been working on an approach pulling railcars full of rock up a slope, which should have more location options, but I don't know how the math and economics works out.
Have a link?
- detaro 7y agohttps://www.aresnorthamerica.com/article/8736-america%E2%80%99s-first-commercial-scale-rail-energy-storage-project-receives-blm-approval https://www.aresnorthamerica.com/article/8736-america%E2%80%...
- NeedMoreTea 7y agoThere's a similar approach that seems promising - dropping a huge weight down disused mine shafts, and winching it back up at times of low demand. It looks to be a lot simpler than the railway wagon approach. The UK has loads of potential sites, I imagine the US does too. A fairly detailed look: http://euanmearns.com/short-term-energy-storage-with-gravitricity-iron-versus-ion/ http://euanmearns.com/short-term-energy-storage-with-gravitr...