Although the final ruling of the anti-dumping/countervailing duty (AD/CVD) investigation by the US Department of Commerce on silicon solar cells and modules in Southeast Asia is still pending until later this spring, the department has made technical adjustments to the proposed tax rates announced earlier last year.

According to the law, the US Department of Commerce completed the preliminary ruling of the anti-dumping investigation in October last year and released the preliminary ruling of the anti-dumping investigation in November. In practical operation, some cases have insufficient data support, while others have been identified by the US Solar Manufacturing and Trade Commission (Alliance) as having calculation errors.

After the preliminary ruling was released in November last year, we predicted that with more data disclosure, tariff rates would show an upward trend, "said Tim Brightbill, the chief lawyer of the alliance and partner at Wiley Rein LLP, the alliance's chief lawyer." This prediction has been validated: in the past three months, tariff rates in Cambodia, Thailand, and Vietnam have increased by varying degrees from a minimum of 13% to a staggering 661%. These adjustments are due to calculation revisions, new subsidy claims, violation penalties, and the adoption of supplementary evidence. We expect this strong upward trend to continue when the final ruling is announced in April

As a joint plaintiff of US based photovoltaic companies First Solar, Mission Solar, and Qcells, the alliance accuses four Southeast Asian countries (Cambodia, Malaysia, Thailand, Vietnam) of dumping photovoltaic products and enjoying unfair government subsidies.

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