# Asahi Kasei to expand green hydrogen electrolyzer component capacity in Kawasaki, Japan

Asahi Kasei plans to build new plants for cell frames and membranes for alkaline water electrolyzers at its Kawasaki site, increasing annual production capacity to at least 2 GW each. The total capital investment is estimated at ¥35 billion, with a government subsidy of up to ¥11.4 billion.

- Type: Expansion
- Announced: 2025-01-15
- Where: Kawasaki, Kanagawa Prefecture, Japan
- Value: $233.0M (35.0B JPY)
- Starts operating: 2028
- Status: announced
- Capacity: 2 GW per year for cell frames and 2 GW per year for membranes
- Products: alkaline water electrolyzers, cell frames, membranes for green hydrogen production
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Asahi Kasei](https://endata.com/companies/8888.md)

## Sources

- [businesswire.com](https://www.businesswire.com/news/home/20250115846488/en/Asahi-Kasei-Receives-Governmental-Support-to-Expand-Manufacturing-Capacity-for-Green-Hydrogen-Production-Equipment-in-Japan), 2025-01-15: "The total capital investment for this project is estimated to be approximately ¥35 billion, and Asahi Kasei expects to receive a subsidy of up to ¥11.4 billion through this initiative."
- [energynews.biz](https://energynews.biz/japanese-government-supports-asahi-kaseis-2-gw-electrolyzer-manufacturing-expansion/), 2025-01-17: "This expansion supports Japan’s goal of establishing a stable domestic supply chain for green hydrogen technologies."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.