China proposes export controls on solar-manufacturing technologies

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The Economic Times daily newspaper is available online now. Read Today's Paper China proposes export controls on solar-manufacturing technologiesReutersLast Updated: Oct 18, 2026, 11:51:00 AM ISTSynopsis

China is proposing new export controls on twelve solar technologies citing national security concerns and greater oversight requirements. These regulations aim to restrict technologies that are crucial in sensitive sectors such as aerospace and national defense. The proposed changes may impact companies like Tesla that are looking to expand production.

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Loading...×China has proposed export controls on 12 technologies used to make solar equipment, citing national security concerns, as part of a broader revision that also covers AI and biotechnology.

The ministry of commerce proposed adding the photovoltaic technologies to China's export-control list, it said in a statement on Friday, adding that greater oversight is needed because solar technologies are increasingly being used in sensitive areas like aerospace and national defense.

Chinese officials held initial talks with manufacturers about potential curbs on advanced solar-panel manufacturing technologies, Reuters reported in April, a move that could threaten plans by US firms such as Tesla to expand production in the US.

Beijing has also curbed exports of solar-manufacturing technology to India, Reuters has reported. Analysts say China is seeking to preserve its dominance as India tries to build up domestic manufacturing and shake off reliance on China.

Export restrictions aim to "guard against the risks of technologies from running out of control or being improperly disseminated, while safeguarding normal international exchanges and cooperation in science and technology," the ministry said.

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Exporters must now register certain overseas technology transfers until the export-control catalogue is formally updated. Public consultation on the proposal will close on November 15.

China would ban technologies including those used to make some thin wafers, perovskite and tandem solar cells, as well as large-scale fluidized-bed polysilicon production technologies.

Perovskite is an emerging technology that offers the potential of increased conversion efficiency. Tandem cells combine perovskite and silicon layers to capture more of the sunlight spectrum.

Fluidized-bed technology for producing polysilicon - a key building block for solar panels - is less expensive and more energy-efficient than the dominant Siemens process.

China would also restrict, but not prohibit, exports of advanced solar cell manufacturing technologies, including TOPCon, HJT and XBC.
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