# Bilfinger and Siemens Energy win €10.7M TenneT offshore upgrade contract

Bilfinger Life Science Automation GmbH and Siemens Energy Global GmbH & Co. KG were awarded a €10.7 million contract by TenneT Offshore 9. Beteiligungsgesellschaft mbH for the HelWin2 OT-Upgrade HMI auxiliary systems. The contract was awarded on 4 May 2026 and runs until 31 May 2028.

- Type: Contract
- Announced: 2026-05-07
- Where: Bayreuth, Kreisfreie Stadt, Germany
- Value: $11.5M (10.7M EUR)
- Status: completed
- Products: HMI auxiliary systems for offshore grid upgrade
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [Siemens Energy Global GmbH & Co. KG](https://endata.com/companies/83203.md) (supplier)
- [Bilfinger Life Science Automation GmbH](https://endata.com/companies/91795.md) (supplier)
- [TenneT Offshore 9. Beteiligungsgesellschaft mbH](https://endata.com/companies/91796.md) (customer)

## Sources

- [adjudera.com](https://adjudera.com/vergabe/316102-2026-res-0001), 2026-05-07: "Auftraggeber TenneT Offshore 9. Beteiligungsgesellschaft mbH Auftragnehmer Bilfinger Life Science Automation GmbH, Siemens Energy Global GmbH & Co. KG Auftragswert 10.687.641 €"

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