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Solar power and storage prices have dropped almost 90%
(interestingengineering.com)
This is a most excellent place for technology news and articles.
That's just absurd, why is it so expensive for you? You could install it yourself for the most part, it's not super complicated, just physically difficult. And then pay an electrician $500 to connect the inverter to your main panel.
Lack of competition, but mostly greed.