Dave Thomas they installed mine in mid May 4 kw panels and battery storage

My entire home bill for June was £19.40 £15 of that was standing charge

So £4.40 off grid And July was £21.22 again £15 was Daily charge

In winter when I don’t generate much I can top batts up over night

On octopus tafiff for 7.5p a kw And I can also charge my car and heat water etc for 7.5p

That’s from 23.30 till 05.30