Cow poo set to power Northern Ireland's second AD plant

A farm-based anaerobic digestion (AD) plant will use cattle dung and grass silage to power homes and businesses in Northern Ireland

The Greenhill Dairy Farm Biogas farm near Ardstraw claims to be the first plant in Northern Ireland in 20 years to provide sustainable heat and power in this way. The poo from some 600 cows on the 700 acre site will help fuel the plant to produce 430 kWh - enough to supply 430 homes with electricity.

Alfagy was selected by the developer for the project as the combined heat and power (CHP) and gas conditioning supplier. Although the project faced funding challenges, its fast payback period was the deciding factor in getting investment backing.

The Ardstraw facility is only the second AD facility in Northern Ireland. More farmers in the region are now considering similar projects.

Maxine Perella


anaerobic digestion


Waste & resource management

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