A new plant in Spain’s Basque Country will turn household and commercial food waste into biomethane. Metabarri, a biomethanization facility, has been inaugurated at the Artigas Ecopark in Bizkaia. It can treat up to 50,000 tonnes of organic matter a year.
The Bizkaia Provincial Council, through Garbiker, opened the plant together with the Basque Energy Agency (EVE) and PreZero. The first biowaste arrived at the end of September. Testing began in June, and activity will grow gradually.
The process starts with the brown bin. Organic waste from homes and businesses reaches Artigas and breaks down in large closed tanks. There, it generates biogas.
The biogas is then purified into biomethane. This renewable fuel has properties similar to natural gas. In the final step, the gas is injected into the Enagás Transporte del Norte (ETN) network. EVE holds a stake in that company.
According to the partners, Metabarri is the first plant in Spain born from a public-private alliance that covers the full route on one site. It receives the waste, treats it and delivers biomethane ready for the gas transmission grid.
The facility sits on a plot of about 8,300 square meters, next to the ecopark’s composting plant. It adds to the capacity of Bizkaiko Konpostegia and the regional plants. The organic fraction now gains an energy route alongside compost. Waste from the brown bin can be turned entirely into renewable energy.
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