The biogas plant at Gundebølsvej, Hemmet, was built in 2012 by the Danish company Combigas that design, develop and support biogas solutions. The plant was built in order to demonstrate a medium size standardized decentralized farm biogas plant appropriate for realizing the municipality, Ringkøbing-Skjern’s Energy plan.
Billund Vand og Energi A/S, Denmark, is a public utility company providing services in water supply and waste management to the municipality of Billund. The Grindsted Renseanlæg established in 1997 is a wastewater treatment plant combined with a co-digestion facility where industrial and municipal bio-waste from the municipality is digested together with waste-water sludge.
Horsens Bioenergi's co-digestion plant produces biogas from manure from local farmers and organic waste from food industries including one of Europe's largest pig slaughter houses situated very close to the plant. Horsens Bioenergi upgrades the biogas to natural gas through an upgrading plant located on the site.
Kroghsminde biogas plant was built by the organic farmer and milk producer Jens Krogh in 2015. Jens Krogh has 110 dairy cows and 435 ha. of crop production and pastures.
Madsen Bioenergy is owned by 3 brothers. The idea behind the plant was to create a new business area that could utilize agricultural residues, produce valuable fertilizers and supply renewable green gas to the natural gas grid.
Solrød Biogas A/S was founded May 2014. The public-private development process involved the city council, Solrød Municipality, the local energy supplier, private feedstock suppliers and researchers from Roskilde University.