"Panels account for about 40 percent of the cost of solar farms" https://www.bloomberg.com/news/articles/2017-09-22/itc-votes-in-favor-of-imposing-tariffs-on-u-

"Panels account for about 40 percent of the cost of solar farms" https://www.bloomberg.com/news/articles/2017-09-22/itc-votes-in-favor-of-imposing-tariffs-on-u-s-solar-imports https://www.bloomberg.com/news/articles/2017-09-22/itc-votes... If that's true, then 30% more expensive panels would increase the cost of a solar farm by 12%, falling to 30%/6% in 4 years.