How much more capacity is being added?

The Kyoto Plant's production capacity for leak-detection systems is set to rise to about 2.5 times the end-2026 level by September 2027, with equipment added in stages.

Why is demand growing?

AI data centers are being built worldwide, and water-cooling equipment used because air cooling alone often cannot handle the heat from servers with many high-performance GPUs is raising the need to detect leaks early.

Who is carrying out the investment?

Tatsuta Electric Wire, a group company of JX Metals, is making the investment at its Kyoto Plant in Fukuchiyama, Kyoto. Sales and R&D are handled at the Tatsuta Technical Center in Kizugawa, Kyoto.

Top Companies' AI MovesAI Business & IndustryTop Companies AI3m agoOct 10, 2026, 06:30 JST

Tatsuta Electric to lift leak-detection capacity 2.5x by Sept 2027

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3 Key Points

What happened
JX Metals said group company Tatsuta Electric will invest in equipment at its Kyoto Plant in Fukuchiyama, Kyoto, to expand production capacity for leak-detection systems used in AI data centers, raising it to about 2.5 times the end-2026 level by September 2027.
Why it matters
The company had already announced a capacity increase in August 2026, but says demand is running above expectations, so it is adding more capacity to strengthen stable supply and is considering further investment.
What to watch
Capacity is scheduled to reach about 2.5 times the end-2026 level by September 2027, with equipment added in stages.

WHO IT HITSThis lands on operators building AI data centers and the suppliers serving them, since water-cooling equipment raises leak risk inside facilities and drives demand for early-detection systems. Component and materials suppliers to data-center construction appear likely to see related orders.

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Context & Analysis

Tatsuta Electric Wire's sensor business draws on materials, design and manufacturing know-how built up over years in wires and cables. The company runs sales and research and development for leak-detection systems at its Tatsuta Technical Center in Kizugawa, Kyoto, while manufacturing takes place at the Kyoto Plant.

The backdrop is the worldwide build-out of AI data centers. Servers carrying large numbers of high-performance GPUs generate more heat, and conventional air cooling alone increasingly struggles to cool them, so water-based cooling for data-center buildings and servers is spreading. That makes leak countermeasures inside facilities more important, and demand for early leak detection is rising sharply.

JX Metals presents leak-detection systems as one of the advanced materials it supplies for AI data-center development, alongside its mainstay semiconductor sputtering targets and indium phosphide substrates. The group says it will keep investing as market and customer needs change.

FAQ

How much more capacity is being added?: The Kyoto Plant's production capacity for leak-detection systems is set to rise to about 2.5 times the end-2026 level by September 2027, with equipment added in stages.
Why is demand growing?: AI data centers are being built worldwide, and water-cooling equipment used because air cooling alone often cannot handle the heat from servers with many high-performance GPUs is raising the need to detect leaks early.
Who is carrying out the investment?: Tatsuta Electric Wire, a group company of JX Metals, is making the investment at its Kyoto Plant in Fukuchiyama, Kyoto. Sales and R&D are handled at the Tatsuta Technical Center in Kizugawa, Kyoto.

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