6 million homes is a decent fraction of all homes in the UK, round about a 1/5th.
I'm waiting for battery prices to drop a little more, it'll then be economical to stock up on energy on sunny/windy periods on a tariff like Octopus Agile - prices are determined every half hour.
Seems like the whole sector will need shook up over the next 10 years, from generation, transmission costs, oversight - the whole lot.
Still see a lot of comments online about the cost of renewables being expensive, which they were 10 years ago.