During foaling season, studs watch mares through cameras in the foaling boxes, with sensors or alarms that alert staff when a mare goes down or starts to sweat. Barn lighting needs to come on instantly when someone walks in. A fridge holds colostrum, plasma and medicines, and a water heater supplies warm water for washing down. Spring storms arrive in the middle of it all. A generator starting up beside a barn of heavily pregnant mares is not ideal, and nobody wants to be refuelling one at 3am.
The UPS-mode inverter switches over instantly, so cameras, the recorder and alarms never drop out or reboot. The fuel cell then carries the load from hydrogen stored at 30 bar or less, made on off-peak power during quieter hours. There is no engine, so the barn stays calm. The by-product is water, which goes back into the system's own loop.
How it works →
Cameras, alarms, lighting, a vet fridge and a water heater sit comfortably within 15 kW continuous, with room for the house too in many cases. Large commercial studs with multiple barns, walkers and treadmills running together may need a larger or multi-unit setup sized in the pilot. Round-trip efficiency is 30% or less, so the case is resilience through foaling season rather than cheaper power.
Yes. The inverter runs in UPS mode, so cameras, the recorder and the network gear see no gap. Footage stays continuous through the outage, which matters when you are trying to time a foaling.
A walker motor is usually a moderate load and may fit within 15 kW alongside the barn. During an outage at night, the walker is rarely needed, so the pilot would size around the foaling loads first.
It would be sited outside the barn with clearance from hay and straw stores. It is designed to AS/NZS 60079 and ISO 19880, with redundant leak sensors, automatic shutdown and venting.
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