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Ore Energy has conducted a pilot of its 100-hour iron-air battery energy storage system in France, marking the first such initiative in Europe. Supported by the EU's StoRIES initiative, the pilot aimed to collect operational data under real-world grid conditions, demonstrating the system's ability for multi-day energy storage.

The iron-air system, which uses iron, water, and air, can store energy for up to four days by converting iron oxide into metallic iron during charging. The technology is positioned for longer-duration applications, offering a potentially lower cost compared to lithium-ion batteries. Ore Energy is also planning a manufacturing facility in Germany or the Netherlands, set to begin operations in 2027.