Yes, unfortunately not (yet?) open source (like Soofi) but only open weight, but it sounds llike a good start.

Thanks for the link, I cross-posted.

And honestly how much damage could this actually do other than break peoples balcony solar panels?

Is this satirical?

Here is the article by CCC (in German)

Edit:

China Holds a Kill Switch to European Power Grids (May 2025)

Despite years of debate about supply chain resilience, more than 70 percent of world’s solar inverters come from Chinese manufacturers. The three biggest players – Huawei, Sungrow, and Ginlong Solis – are all Chinese. Here lies the first paradox: Huawei has been banned from a large portion of Europe’s 5G networks due to national security concerns, yet its technology is welcomed into the power grid.