US President Donald Trump's decision to slap tariffs on solar panel imports is a blow to a booming global industry. The protectionist measures will pull investments in the technology out of the United States and into Asia and other regions, as the industry tries to make up for the lost opportunity in America, industry sources said on Tuesday.

Trump on Monday approved a 30 per cent tariff on solar cell and module imports that will drop to 15 per cent within four years. Up to 2.5 gigawatt (GW) of unassembled solar cell imports are allowed tariff-free in each year. The decision will likely curb growth in US capacity, the world's fourth-largest after China, Japan and Germany. Globally, solar capacity has soared to almost 400 GW last year from under 10 GW in 2007, according to the International Renewable Energy Administration.

The US government argued that its domestic manufacturers could not compete with what it said were artificially lower-priced Asian panels. Chinese panel makers, the world's biggest builders of solar photo-voltaic cells, will be hit hardest by the tariffs at their production sites across Asia.

“The duty barrier will shock Asian suppliers in the near-term,” said Frank Yu of energy consultancy Wood Mackenzie. Asian panel makers said they would seek business elsewhere to make up for the lost U.S. opportunities

“The US decision will certainly affect Chinese solar panel makers,” said Jack Feng, vice president at Trina Solar, one of China's top panel makers alongside Jinko Solar.

Feng said his firm would “expand their territory to a broader range in the globe," including Europe, China, Indonesia and India. Trump has vowed to dismantle free trade pacts he said harmed U.S. workers.

ASIA REACTION

Asian governments said they would resist Trump's move. China's Ministry of Commerce on Tuesday expressed strong dissatisfaction regarding the solar tariffs, saying the decision deteriorated the global trade environment. South Korea said it would “actively respond to U.S. trade protectionism", including exercising its rights under the World Trade Organization.

Beyond the impact to the solar market, Morgan Stanley warned of wider economic damage as the protectionist stance “could challenge investors' perception whether the US will adhere to current free trade policies".

POTENTIAL EXEMPTIONS

There is still uncertainty on when the tariffs will be implemented and how the 2.5 GW of tariff-free imports will be administered. Shares of US panel maker SunPower climbed 0.8 percent on Monday and shares of electric car maker Tesla , which also produces solar panels, gained 1.5 percent on the day. Yet analysts warned that the benefits for US solar firms were not clear-cut.

“The overwhelming majority of the 260,000 solar jobs in the US depend on the cheaper imported products,” Height Securities said.

Goldman Sachs estimated the 30 per cent “tariffs imply a potential 3-7 per cent cost increase for utility-scale and residential solar costs, respectively.”

Wood Mackenzie estimated the tariffs would reduce US solar installation growth by 10 to 15 per cent over the next five years. There remains the possibility of some manufacturers winning exclusions to the tariffs.

“Two key exclusions with respect to technology and certain countries (Canada/Singapore, among others) were included as part of the (initial) recommendation... The status of whether these exclusions... will be in focus in the coming days,” Goldman Sachs said.

Canadian Solar is one the world's biggest panel manufacturers. In Singapore, unlisted REC operates one of the city-state's biggest manufacturing sites.

Doran Hole, Chief Executive Officer for North America at U.S.-listed ReneSola, said there may still be ways to settle the trade dispute. “There is quite a bit of discretion about negotiations for a settlement. Having a global settlement would certainly be useful to the industry as a whole.”

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