[pjc50]

I find that surprising - I'm only slightly north of Lithuania, and the seasonality of solar panels makes them pretty ineffective in the winter, and especially in the pre-dawn when you want to bring the house back up to temperature.

(when I had the instrumentation hooked up for a year: https://flatline.org.uk/daystats.html )

[dzhiurgis]

You can sell power to grid and get it back at a reasonable spread. Although I'm sure that's not going to be so lucrative in future.