FlexBase
FlexBase Holding AG
Laufenburg, Switzerland
About
FlexBase is a private headquartered in Laufenburg, Switzerland with approximately 50-200 employees specializing in Energy Storage.
FlexBase Group is an independent, privately-funded Swiss technology company consisting of five entities: FB Real Estate AG, FB Data AG, FB Storage AG, FB Power AG, and FlexBase Service AG. The company is developing the Technology Center Laufenburg, a unique European technology hub spanning over 40,000 m² at the Star of Laufenburg, a historic European power grid hub. The core project combines a pioneering redox flow battery storage system—the world's largest—with the world's first Sovereign AI Factory built to Swiss standards. The redox flow battery technology stores surplus renewable electricity and releases it as needed to stabilize grids and strengthen energy security across Switzerland and Europe. The AI data center is water-cooled and designed for energy-intensive artificial intelligence applications. Swissgrid approved grid connection for phase one with 800 MW capacity in January 2026, with construction commencing in spring 2025. The project integrates renewable energy storage with data center infrastructure to optimize efficiency and sustainability.
Headquarters
Laufenburg, Switzerland
Employees
50-200
Company Type
Private
Business Models
Value Chain
Products
Redox Flow Battery Storage System
Sovereign AI Factory Data Center
Projects
Technology Center Laufenburg
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