Taxes imposed on import do not hurt solar, as much as they will help the American solar industry. Tons of American solar companies have nearly been brought to bankruptcy because china is massively subsidizing the export of solar panels.

This problem is also magnified by the fact that Warren Buffet has been using his influence to encourage states to charge panel owners fees relating to grid usage that weren't there prior, as there is a cost associated with continuously switching which direction power from a given houses is flowing.