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Keeping a small goat dairy milking through an outage

Goats are milked twice a day like cows, but goat dairies are usually smaller operations with less spare equipment. One outage can cost a milking and a vat at once.

What a goat dairy draws

A small goat dairy runs a vacuum pump for the milking plant, often on a raised rotary or a parlour of a dozen or so places, a milk vat chiller, a hot water cylinder for the wash, kid rearing feeders that warm milk replacer, and lights. Because goat milk is often sold as specialty product or made into cheese on site, losing a vat is a bigger share of income. Kidding season adds heat lamps and feeders, at the same time spring weather is at its most unsettled.

What it would keep running

  • Milking vacuum pump
  • Milk vat chiller
  • Kid milk feeder
  • Wash hot water
  • Parlour lighting

How it fits the routine

The electrolyser runs overnight on off-peak power between milkings, filling a hydrogen buffer at 30 bar or less that keeps for weeks. During an outage, the LiFePO4 battery and UPS-mode inverter switch instantly, so the vacuum pump and vat controller do not reset. The fuel cell then carries the shed through the milking and keeps the vat cold afterwards.

How it works →
The H2OME loop: an electrolyser splits water into hydrogen, the hydrogen is stored in a tank for weeks, a fuel cell turns it into electricity for your home, and the water returns to the loop.

A good fit for small herds

A small goat dairy's vacuum pump, vat chiller and kid feeders usually fit within 15 kW continuous. Larger goat operations with big rotaries, large vats and on-site processing may need a larger or multi-unit setup sized in the pilot. Round-trip efficiency is 30% or less, so the value is in protecting milkings and stock, not cutting daily power costs.

Questions

Can it also run a cheese room?

Possibly, if the combined load stays within 15 kW. Cheese vats with electric heating can be heavy. The pilot would log both the dairy and cheese room to see whether one unit covers them.

Will the vat lose temperature during switch-over?

No. The switch is instant in UPS mode, so the vat chiller keeps cycling as normal and the milk stays in its cooling window. The vat controller also keeps its record, which is useful if anyone asks about the outage later.

How long will the stored hydrogen last?

That depends on how much is stored and what runs. The store keeps for weeks without losing charge, and runtime for your dairy would be calculated in the pilot from your actual loads.

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