This is a great post! Did you blog about it? I am sure HN would love a post like that. I would generate lots of interesting convos around similar setups in different countries.
Ah, you mention a pain point. It's on my list for years now.. I've just added 60 kWp Solar plant [1] to my existing 30 kWp; once this is through, my monitoring stack will need updating and I will blog about it here [2].
[1]: https://himself.alexanderdunkel.com/@alex/112443427011946461
[2]: https://du.nkel.dev/