# OSMO to supply water treatment for EWE's 320-MW electrolysis plant

OSMO Membrane Systems GmbH was awarded a contract by EWE Hydrogen GmbH to plan and supply water treatment systems for a 320-MW green hydrogen electrolysis plant in Emden, Germany, expected to start production in late 2027.

- Type: Contract
- Announced: 2026-01-07
- Where: Emden, Lower Saxony, Germany
- Status: announced
- Capacity: 320 MW
- Products: water treatment systems for ultrapure water, green hydrogen
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md), [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [OSMO Membrane Systems](https://endata.com/companies/89143.md)
- [EWE](https://endata.com/companies/12838.md) (customer)
- [EWE Hydrogen](https://endata.com/companies/89144.md) (customer)
- [GAW Group](https://endata.com/companies/89518.md) (partner)

## Sources

- [greentech.at](https://www.greentech.at/en/osmo-technology-for-one-of-europes-largest-electrolysis-plants/), 2026-01-07: "OSMO Membrane Systems GmbH ... is pleased to have been awarded the contract by EWE Hydrogen GmbH / EWE AG to plan and supply sustainable and highly efficient water treatment systems for the production of ultrapure water for the East Frisia electrolysis plant."

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