10 Predictions for Rooftop Solar and Storage in 2019 With the solar industry chaos of 2018 behind us, many of us are looking toward more predictable growth from 2019 at least until the Investment Tax Credit goes to zero for residential and 10% for commercial on December 31, 2021. Then again, we’re on the solar coaster, so it is unwise to be complacent about a rosy solar future...