IDEAgreen, operating as part of the IDEA group, is an engineering and consultancy organization headquartered near Madrid, Spain. Established in 2008, IDEA has grown into a multidisciplinary company with more than 250 staff and a presence in multiple Spanish cities, including its Madrid office. The company has executed projects across more than 26 countries, predominantly in the industrial, energy, oil & gas, mining, and architecture sectors.
IDEAgreen focuses specifically on sustainable engineering, with expertise in decarbonization projects. Its main areas of activity include the engineering and consultancy of green hydrogen production plants, biomethane facilities, and solar photovoltaic plants. For green hydrogen, IDEAgreen supports the full project lifecycle, from renewable electricity studies and hydrogen plant design to storage, integration, and final use. The organization collaborates in significant undertakings, such as engineering for the largest green hydrogen plant in Europe for Iberdrola, through its affiliate ICONSA.
Beyond hydrogen, IDEAgreen is active in energy efficiency projects, solar PV systems—from audits to commissioning—and the design of electric vehicle infrastructure with in-depth knowledge of regulatory frameworks. Its architectural division works on minimizing environmental impact and optimizing for energy self-sufficiency in building design.
IDEAgreen provides services spanning feasibility, permitting, engineering design, project management, and ongoing operations, maintaining a clear emphasis on measurable emissions reduction and practical implementation. The organization is recognized for its technical acumen and role in pushing energy transition initiatives, rather than for generic advocacy or consulting.