€50m Biomethane Plant Planned For Monasterevin To Link To National Gas Network

Thursday, 16 October 2025 08:46

By Martin Osborne - Head of News. Got a story? Email news@kfmradio.com

Once operational, the plant is expected to process up to 100,000 tonnes of material each year, producing around 100 gigawatt hours of biomethane annually.

Gas Networks Ireland has signed an agreement with Evergreen Agricultural Enterprises to connect a new €50 million biomethane production plant in Monasterevin to the national gas network.

The anaerobic digestion facility, now under construction, will use by-products from Ireland’s distilling industry - including spent grains and residues - to produce renewable biomethane gas.

Once operational, the plant is expected to process up to 100,000 tonnes of material each year, producing around 100 gigawatt hours of biomethane annually.

That output would be equivalent to the energy needed to heat more than 8,000 homes and is projected to cut carbon dioxide emissions by about 18,500 tonnes per year.

Biomethane, which can be produced from farm and food waste through anaerobic digestion, is structurally identical to natural gas and compatible with Ireland’s existing gas network and infrastructure.

The project is among several supported by the Government’s €40 million National Biomethane Capital Grant Scheme, administered by the Department of Agriculture, Food and the Marine.

Evergreen’s facility will also include an on-site greenhouse using recovered heat and liquid biofertiliser from the digestion process to grow vegetables for local community use.

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