State regulators fine Xcel Energy $1M over dispute with solar developers

A new rooftop solar financing model called a prepaid lease is starting to gain traction in the United States, giving homeowners another way to go solar after the federal residential tax credit expired at the end of 2025.

Michael Allen co-founded All Energy Solar with his brother 15 years ago, and together they’ve installed more than 336,000 solar panels across the state. He’s here to tell us more about their work and challenge us with a fun solar knowledge quiz.