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Japan’s Renesas Pours $700m Into Doubling Power Chip Production

Renesas will invest extensively to consolidate local bases and limit plants to accommodate new demand.

Japan's Renesas Pours $700m Into Doubling Power Chip Production

Shuttered plant to be reopened with upgraded equipment as EV demand grows. Japanese chipmaker Renesas Electronics will invest 90 billion yen ($700 million) to increase production of power semiconductors as demand for electric vehicles surges, the company said Tuesday.

Renesas intends to reopen its Kofu factory in central Japan’s Yamanashi Prefecture in 2024. New equipment compatible with 300 mm wafers, suited for mass production, will be installed as the company looks to double output capacity for the chips.

The plant — closed since October 2014 — is expected to host 200 to 300 employees, with half the positions representing new jobs in Yamanashi. Renesas has pursued a “fab-lite” strategy of consolidating domestic bases and minimizing factories, but now will undertake large-scale investment to capture the new demand.

The company has been producing power semiconductors on 150 mm to 200 mm wafers. The Kofu factory will begin operation in the first half of 2024, moving to full-scale mass production in 2025 mainly for automobiles.

Tokyo-based research firm Fuji Keizai projects the global market for power chips to reach 4 trillion yen in 2030, up 40% from 2020. Power semiconductors determine the energy-saving performance of products, and their demand for use in cars is growing rapidly on the spread of EVs.

Japanese manufacturers such as Toshiba, Fuji Electric and Mitsubishi Electric also are investing to boost production, while major auto parts maker Denso has announced a partnership with a Taiwanese company.

Germany’s Infineon Technologies leads in the mass production of power semiconductors using 300 mm wafers. The Japanese companies, as latecomers, will focus on setting up efficient production lines quickly.

Power semiconductors are an area of chip products in which Japanese companies retain a healthy market share. Many automakers Renesas commits $700 million to increase chip production.

A closed mill will reopen with upgraded equipment as demand for electric vehicles grows. On Tuesday, Renesas Electronics, a Japanese chipmaker, announced that it would invest $900 million to increase the production of power semiconductors for electric vehicles.

Renesas will invest extensively to consolidate local bases and limit plants to accommodate new demand. The company makes power semiconductors on 150-200mm wafers. The Kofu facility will open in 2024 and commence commercial auto manufacturing in 2025.

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