Dennis@home wrote:

Shall I go and buy a PowerWall then?!

I looked at storage systems before and they really aren't economic

I've not seen any article yet which says the sums add-up

but they are effectively a big UPS so they could be useful if you
suffer frequent cuts.

I thought the Tesla Powerwall sounded like a UPS when it was discussed
on the radio, but it's just a battery and charger, no inverter provided ...