# Aluminium Rheinfelden files for insolvency, to stop production

On July 16, 2026, Aluminium Rheinfelden Alloys GmbH and Aluminium Rheinfelden Semis GmbH filed for insolvency under self-administration and plan to permanently discontinue aluminium production. Approximately 185 employees are affected.

- Type: Closure
- Announced: 2026-03-11
- Where: Germany
- Jobs: -185
- Status: announced
- Products: aluminium
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Aluminium Rheinfelden Alloys GmbH](https://endata.com/companies/90803.md)
- [Aluminium Rheinfelden Semis GmbH](https://endata.com/companies/90804.md)

## Sources

- [aluminium-journal.com](https://aluminium-journal.com/insolvencies-acquisitions-industry), 2026-03-11: "Production at both companies is to be permanently discontinued for economic reasons."

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