Commerce Department investigation began in March examined eight companies that manufacture solar panels and parts in Cambodia Malaysia Thailand and Vietnam . Five of them BYD Hong Kong Canadian Solar New East Solar Trina and Vina Solar should have additional tariffs imposed on them . Commerce Department also determined that three other solar manufacturers Hanwha Jinko and Boviet were in compliance with US laws . President Joe Biden waived the tariffs on solar panels last summer for a twoyear period after outcry from US solar companies who were concerned the tariffs could effectively shutter the industry . The investigation was launched after one small USbased company Auxin Solar filed a complaint in February suggesting that some companies doing business in Southeast Asia might be avoiding tariffs . The US solar industry is currently bringing more of its manufacturing back to the US aided by tax credits from the Inflation Reduction Act . Last year the solar and battery storage industries invested billion into the US according to trade group the Solar Energy Industries Association . The Solar Energy Industry Association said last year the Solar energy industry invested billion in the U.S. industry invested $1.5 billion into its own . The very presence of the Commerce investigation ground much of the solar industry to a halt canceling or delaying hundreds of projects to cancel or delay hundreds of new projects . The American solar industry has been affected by the Commerce Investigation. But last year it has also caused a crisis for the Commerce Department. The Solar Industry Industries Association said that the investigation. Last year, the Solar Industry Industry Association. In 2013, the solar. Industry. Association said it had been forced by the federal government. In 2009 and 2013. In 2010, the American Solar Industry Council said that it had a significant number of projects. It said that in 2013 and 2013, it