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Asean
OpinionAsia Opinion
Muyi Yang
Xuyang Dong
Muyi YangandXuyang Dong

Opinion | How Southeast Asia’s solar industry can shine in face of US tariff threat

  • As trade tensions and protectionism mount, Southeast Asia can sustain its solar manufacturing boom by hastening domestic energy transitions

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A worker on the production line at a Vinasolar plant in Ho Chi Minh City. Solar equipment manufacturing in Vietnam and other Southeast Asian countries has come under scrutiny amid accusations of Chinese manufacturers moving operations there to dodge US tariffs. Photo: Cissy Zhou
As Southeast Asia strives to become an “epicentrum of growth”, the green technology manufacturing sector – particularly solar photovoltaics (PVs), lithium batteries and electric vehicles (EVs) – will be key components in this endeavour.

The progress so far is impressive. Southeast Asia has emerged as the world’s second-largest solar module producer, trailing only China. By the end of 2022, the region boasted a total module production capacity of 70 gigawatts, a significant leap from an almost negligible level just a few years ago. This capacity represents roughly 6.4 per cent of the world total of about 1,100GW expected by the end of this year.

Moreover, Southeast Asia has shown remarkable progress in increasing its share in supply chains, particularly in solar cell manufacturing, led by Malaysia, Thailand and Vietnam. Malaysia has also made significant strides in polysilicon production, reaching a capacity of 32 gigatonnes in 2022.

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The main driving force behind this progress has been the export market. Southeast Asia has surpassed China as the preferred destination for manufacturing investment from Organisation for Economic Cooperation and Development countries seeking supply chain diversification. It has also seen substantial inflows of Chinese investment in the solar PV and battery sectors, leveraging its wealth of natural resources.

Between 2017 and 2021, Southeast Asia supplied one-third of the world’s solar PV modules, with a large portion destined for the United States and Europe. Four Southeast Asian countries – Cambodia, Malaysia, Thailand and Vietnam – supplied more than 75 per cent of the solar modules imported by the US in 2022.

02:31

Indonesia opens largest floating solar power plant in Southeast Asia as part of green push

Indonesia opens largest floating solar power plant in Southeast Asia as part of green push

However, Southeast Asia now faces shifting winds. Geopolitical challenges, growing protectionism and trade tensions are casting shadows over the future of globalisation, introducing significant uncertainties for trade-dependent economies.

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