This is brilliant. In Germany, it's popular to buy €200 solar panel / inverter combos that plug into a nearby power outlet, feeding the power back into the grid, running their power meter backwards. "Installation" just takes a minute. Folks in apartments simply hang them from their balcony “like wet laundry.” Over 500,000 have been sold. With power at €0.25/kWh, the payback time is about 27 months—after that, it's just free electricity. https://www.nytimes.com/2024/07/29/business/germany-solar-panels-climate-change.html?unlocked_article_code=1._E0.zL83.1FCeoxOrFDBY&smid=url-share