U.S. solar power installations are expected to climb 17.3% year over year in 2019, industry association SEIA estimates, with further projects available that could add 54.8% to the total. The expansion has come despite the imposition of tariffs at a 30% rate in 2018. The tariffs may have become less effective though, with total imports up by 183.7% year over year in July and by 10.0% versus the prior five year average. U.S. imports have come to be dominated by shipments from Malaysia, which represented 42.1% of the $4.05 billion imported to the U.S. In second place were the 20.6% of shipm...