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Climate change: ‘Sand battery’ could solve green energy’s big problem


Image caption, The sand battery has been installed and is functioning well according to the power company Finnish researchers have installed the world’s first fully working “sand battery” which can store green power for months at a time.

The developers say this could solve the problem of year-round supply, a major issue for green energy.

Using low-grade sand, the device is charged up with heat made from cheap electricity from solar or wind.

The sand stores the heat at around 500C, which can then warm homes in winter when energy is more expensive. UK must insulate to reduce energy bills – report

Could nuclear desalination plants solve droughts?

Could I save money driving an electric car? Finland gets most of its gas from Russia, so the war in Ukraine has drawn the issue of green power into sharp focus.It has the longest Russian border in the EU and Moscow has now halted gas and electricity supplies in the wake of the Finland’s decision to join NATO. Concerns over sources of heat and light, especially with the long, cold Finnish winter on the horizon are preoccupying politicians and citizens alike.But in a corner of small power plant in western […]

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