Source here with detailed information for each state in case you are interested in getting a balcony or window mounted solar system
Plug-in solar lets anyone generate free electricity — no roof, no permit, no contractor. A single panel on your balcony can meaningfully cut your bill, especially as rates keep rising.
Found it in this discussion: !https://slrpnk.net/post/39512229/22991609
Is it already legal in your country/state?
Im Massachusetts the regulatory capture, assisted by neoliberals, requires large sums of the populations money to go to utility companies that are not happy to have their natural gas investments be less profitable.