IF IT’S ONLY VIABLE WHEN SUBSIDIZED, YOUR TECHNOLOGY ISN’T REALLY VIABLE: Worry for Solar Projects After End of Tax Credits. “Ken Johnson, chief spokesman for the Solar Energy Industries Association, the main solar trade group, said that his group planned to lobby Congress to extend the credit beyond 2016. ‘That’s our top priority for this session of Congress,’ he said, adding that developers across the solar industry were ‘trying to do as much as possible before it drops to 10 percent in 2017.'”