EnergySage reports that prices for resi solar installs are hovering around an all-time low – they were $2.69 per watt for the first half of 2024, declining 4% from the second half of 2023. This is just 1% higher than the all-time low of $2.67 per watt in the first half of 2021, when U.S. resi experienced one of its largest growth cycles in history.