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It’s been a rough year for the rooftop solar business. The Trump administration passed a measure last year that phased out the main federal tax credit for rooftop solar. It also imposed tariffs on imported photovoltaic panels and other parts. These policy changes have led to significant decreases in sales for installers. Estimates are that new residential solar generating capacity will fall 21% this year compared to 2025. That is a big enough drop to put many U.S. solar companies out of business altogether and to force the remaining companies to slash costs.