[Taf]

Hydrogen is being touted as "storage" for electricity.

Excess electrical power would be passed to electrolysis sites, where water would be split into hydrogen and oxygen. The hydrogen would then be stored until it was required to power steam generators to generate electricity for the National Grid.

Large batteries are also being built to store DC electricity.

But both methods have an explosive risk.

Being able to store power in these ways will have knock-on effects, of course. The UK is presently seeing a dip in the wholesale price for natural gas, due to a drop in demand. But the ability to store power could well prevent such dips from happening, as any excess could be passed to hydrogen plants and batteries. Our lack of decent levels of mass storage for natural gas is also a factor. So the days of those with smart meters having "free" or cheaper electricity could well be numbered.