The US Department of Commerce has imposed heavy import duties on solar products from China and Taiwan.
The federal decision may instigate trade tensions between the two countries.
US imports solar products from both the countries. In 2013, the imports from China amounted to $1.5bn, while imports from Taiwan were worth $657m, reports Reuters.
Anti-dumping (AD) rates for the firms have been raised as high as 165%, according to PV-Tech.
AD tariff rates for Trina Solar will be 26.71%, with its anti-subsidy rate being 49.79%.
Yingli Solar faces an AD rate of 52.13% and will be charged anti-subsidy rate of 38.72%.
Meanwhile, Taiwan-based power producers will have an AD rate of 19.5%, with Motech and Gintech being exceptions, facing 11.45% and 27.55% respectively.
The new duties will be applicable after 20 January 2015, when the US International Trade Commission will determine whether domestic industry has suffered on account of these overseas firms.
US Solar Energy Industries Association CEO Rhone Resch was quoted by PV-Tech as saying: "Unfortunately, today’s ill-advised and unprecedented decision will harm many and benefit few.
"We remain steadfast in our opposition because of the adverse impact punitive tariffs will have on the future progress of America’s solar energy industry.
"It’s time to end this costly dispute, and we’ll continue to do our part to help find a win-win solution."
Image: US has imported solar products worth $1.5bn from China and $657m from Taiwan in 2013. Photo: courtesy of worradmu / FreeDigitalPhotos.net.