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Wire · technology

The world's largest vanadium flow battery is being built in Laufenburg, Aargau

26 October 2026 · By · Wire by Fusion42

Published

26 October 2026

Topic

technology

◆ Sectors

Climate Tech

◆ Geography

Switzerland

◆ Source

Read at bluewin.ch →

◆ Verified

Fusion42 · 26 October 2026 · Fusion42 review

FlexBase is constructing the world's largest vanadium redox flow battery in Laufenburg, Aargau, with planned capacity of 1.2 gigawatts and 2.1 gigawatt-hours, aiming to stabilise the power grid and support renewable energy integration by 2029.

This Wire brief sits within Fusion42's coverage of Climate Tech.

◆ ◆ The Wire takeaway

You face an opening in large-scale, safer battery storage with vanadium flow technology in Switzerland's power market. Your product or service tied to grid balancing or renewable storage now has a nearby reference plant to leverage.

◆ Coverage

1 source · 26 Oct 2026

◆ Related on Wire

◆ Topics

Climate Techvanadium-flow-batteryenergy-storagerenewable-energygrid-stabilityswitzerland