Australia but it’s not really applicable to other places, we now have strong gov incentives to get solar (STC’s) and batterys (battery rebate):

…com.au/home-batteries-and-rebates-what-you-need-…

www.abc.net.au/news/2025-05-07/…/105257914

I also live here: www.qhatlas.com.au/…/Qld sunshine state.jpg

So plenty of sun compared to countries way up north