According to recent IDTechEx research on the topic of electrodynamic energy harvesting, almost 20 million devices will be sold in 2024 that will not be bicycle generators. Instead, they will be wireless switches, energy harvesters enabling wireless sensing in transport, industrial and building automation, devices that put the common alternator to work in market segments that there was previously no use for it.

In June 2013, Perpetuum won a contract to supply Southeastern Railways with energy harvester powered wireless sensors to monitor the wear of wheel bearings for 148 Trains.

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