Schiphol Airport (AMS) has taken delivery of a new super battery intended for the powering of electric charging equipment across the site.

The Iron Flow Battery, which has been installed on AMS’ A/B apron, is set to undergo extensive testing over the next several months, supplying electric Ground Power Units (e-GPUs) with continuous power throughout.

The battery has the potential to keep its full charging capacity for up to 20 years

The battery, which operates through the use of iron and salt water in contrast to more commonly used lithium batteries, will aid e-GPUs in providing fresh air onboard each flight leaving the airport in conjunction with a Preconditioned Air Unit (PCA).

Sybren Hahn, Executive Director Infrastructure, said:

I am extremely proud of this innovation. The Iron Flow Battery is a great example of how we as an airport want to lead the way with innovative infrastructure that improves the quality of work.

During the test period, the focus is on user-friendliness, reliability and efficiency. If the result is successful, more batteries will follow, with the aim of making all ground equipment emission-free and electric.

Built by Oregon-based energy storage company ESS Inc, the Iron Flow Battery was partly subsidised by the EU, as well as part of TULIPS – a European collaboration of 32 aviation companies and individuals set to run until the beginning of 2026.



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