Beijing 13, Reuters reported that the U.S. International Trade Commission (ITC) said on Tuesday that the solar panel imports (PV) launched an investigation, the case by the solar installation industry concern, worry about tariff may make the cost doubled, this worry is part of the price rise of the solar panel.

According to ITC, Georgia Suniva, the company in April to the Commission after complaints, ITC will be released in September 22nd before the preliminary ruling, crystalline silicon photovoltaic cells constitute damage to American manufacturers.

Most of the PV panels imported in the United States are made in china.

Is expected later this year, President Trump will make a final ruling on the case.

Suniva, a Hongkong based international clean energy company, filed for bankruptcy in April after the company received tens of millions of dollars in local, state and federal awards.

German SolarWorldAG later filed a complaint.

According to an industry report released on Monday, the price of PV modules rose to 39 cents / Watt from 37 cents / Watt in the first second quarters of 2017. This is the first increase since 2014.

The report says the price of PV systems is only modestly down this season, and the industry is rushing to buy panels because of concerns about new import tariffs.

The report also showed that the U.S. solar installation increased by 8% in the season, due to strong demand for electricity, offset the dramatic decline in solar energy residential roof system.

In the European Union, since 2013, imports of PV panels in China have been subject to anti-dumping and countervailing duties. Earlier this year, European Union countries agreed to extend tax cuts for 18 months.