# Infineon opens US$1.4 billion Thailand plant as semiconductor investment moves up the value chain

- Link: https://www.thailand-business-news.com/investment/332189-infineon-opens-us1-4-billion-thailand-plant-as-semiconductor-investment-moves-up-the-value-chain
- Published: 2026-10-02T03:42:00+07:00
- Author: Boris Sullivan

German semiconductor maker Infineon Technologies has inaugurated a new manufacturing
facility in **Samut Prakan**, marking one of the most significant recent additions
to Thailand’s semiconductor ecosystem. The project, valued at about **US$1.4 billion
by Thailand’s Board of Investment**, is designed as a backend manufacturing site
covering power modules, discrete devices, wafer testing and research and development.

## Key points

 * Infineon has opened a new Thailand semiconductor facility valued at about **US
   $1.4bn** by the BOI.
 * The site focuses on **power modules, semiconductor testing and R&D**, serving
   EVs, energy systems and data centres.
 * Thailand’s September manufacturing PMI rose to **54.3**, its highest level since
   December 2025.

The plant initially provides up to **30,000 square metres of cleanroom space**, 
with the site capable of eventually expanding to around 150,000 square metres. Infineon
says the facility will support demand from electric vehicles, energy systems, data
centres and other advanced electronics, placing Thailand more firmly inside supply
chains benefiting from electrification and AI-related infrastructure investment.

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The investment is also significant because it goes beyond conventional assembly.
Thailand’s BOI has tied the project to technology transfer and skills development,
including training for more than **600 Thai science and technology personnel**, 
overseas specialist training and collaboration with Thai universities. At full development,
the project is expected to create **more than 5,000 jobs** and strengthen the domestic
supplier ecosystem.

The timing is favourable. Thailand’s manufacturing PMI rose to **54.3 in September
from 53.8 in August**, its highest reading since December 2025, with output expanding
at its fastest pace in nine months and new orders recording their strongest growth
in six months. The data suggest that the investment story is being supported by 
a broader improvement in manufacturing activity rather than occurring in isolation.

Infineon’s arrival also provides a concrete test of Thailand’s recently approved
semiconductor strategy, which targets roughly **US$80 billion in cumulative investment
by 2050**. The challenge now is to use anchor investors to build local engineering
capabilities, suppliers and R&D rather than allowing Thailand to remain concentrated
mainly in lower-value backend operations.

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**Why it matters:** The Infineon plant turns Thailand’s semiconductor ambitions 
into a tangible investment project with manufacturing, skills and R&D components.
It could help Thailand capture more value from the AI, EV and energy-transition 
supply chains if the investment generates a wider domestic technology ecosystem.

**Thailand Business News:** [Thailand Unveils First National Semiconductor Strategy, Targets US$80 Billion in Investment by 2050](https://www.thailand-business-news.com/pr-news/thailand-unveils-first-national-semiconductor-strategy-targets-80-billion-in-investment-by-2050?utm_source=chatgpt.com)