Biogas Companies in Spain

EU-funded research project developing computationally-assisted cascade valorisation of fishing industry waste and by-products into high-value bioproducts for food, nutraceuticals, and supplements through sustainable biorefinery processes.

Cycle0 is a vertically integrated European biomethane developer, owner, and operator converting organic waste into renewable natural gas. The company develops, builds, and operates biogas plants across Europe with backing from Ara Partners.

European foundation supporting innovation financing in companies, regions, and municipalities across sustainable development, circular economy, water and waste management, employment, youth, ICT, and tourism.

Spanish digital energy company offering 100% renewable electricity and gas tariffs for residential, business, and industrial customers, with focus on biogas generation from organic waste.

Investment and management platform specializing in renewable energy and startup financing in Spain and Portugal. Focuses on solar energy projects and early-stage companies with experienced team in renewable energy development and finance.

Spanish energy services company with 30+ years specializing in LNG/CNG refueling stations, biogas upgrading to biomethane, hydrogen production and distribution infrastructure, and renewable energy installations including solar photovoltaic systems.

EU-funded LIFE project promoting biomethane production from agri-food waste in rural Aragon, Spain. Focuses on sustainable transport, circular bioeconomy, and agricultural waste valorization to reduce emissions and improve rural sustainability.

Spanish renewable energy company developing large-scale green hydrogen and derivative production projects (ammonia, methanol, e-SAF) for industrial decarbonization, combined with solar and wind generation and circular economy waste valorization.

Engineering and consulting company specializing in renewable energy projects, particularly green hydrogen, onshore and offshore wind farms. Over 20 years of experience with nearly 900 professionals. Now part of Accenture.

Spanish company specializing in iron hydroxides and functional minerals for biogas desulfurization and H2S capture. Operates Europe's largest iron hydroxide mine with modern processing facilities.

Environmental instrumentation company specializing in biogas, biomethane, and gas analysis equipment. Provides monitoring systems, analyzers, and technical services for landfills, wastewater treatment, hospitals, and industrial applications since 1992.

Enagás Renovable develops renewable hydrogen and biomethane projects across Spain, positioning itself as a leading platform for renewable gases and decarbonization with a portfolio exceeding 20 projects.