We look at the iron-air battery technology of startup Ore Energy, including how it works and technology developments it is pursuing after a recent US$43 million fundraise.

Startup Ore Energy has signed an agreement with a utility in the Netherlands to deploy up to 1,000MWh of multi-day-duration iron-air batteries.

Form Energy, Noon Energy and Ore Energy are all commercialising proprietary 100-hour battery technologies for LDES applications, but how do they compare on metrics like cost, energy density and round-trip efficiency? We look at what they have revealed, as well as what they haven’t.

Netherlands-based iron-air long-duration energy storage (LDES) startup Ore Energy has completed a grid-connected pilot of its 100-hour iron-air LDES system at EDF Lab les Renardières in France.