The U.S. residential solar industry is cratering after President Donald Trump eliminated a key tax credit for homeowners to install solar panels last year — and it’s dragging down residential battery additions, according to a new BloombergNEF report. The U.S. is expected to add 4.1 gigawatts of residential solar in 2026, down 15% from 2025, according to a BloombergNEF projection. That would ...