Damman Nordbeck

31 March 2026

Ennatuurlijk Klein Collectief and Celsias join forces in strategic partnership

We proudly share that Ennatuurlijk Klein Collectief and Celsias have started a strategic partnership. Together we take an important step in accelerating the energy transition in the Netherlands. By joining forces, we are working on sustainable heating and cooling solutions for new construction projects throughout the Netherlands. With this collaboration, we are focusing on new construction projects starting at 50 homes. Our ambition is to provide 2,000 to 2,500 homes with a sustainable energy concept within three years. To this end, we jointly invest 30 million euros in energy transition. Celsias brings years of experience in heat and cold storage in the soil (WKO systems) and has a strong network of housing corporations and project developers. We bring with Ennatuurlijk Klein Collectief our expertise in the field of energy concepts for new buildings and smaller collective systems. We also have extensive experience in the operation of energy systems and clear communication towards tenants and residents.

8 August 2025

TUMS Metering company joins Innax

TUMS Meetbedrijf, specialist in measurement and inspection services, joins Innax to further strengthen the sustainability of buildings and installations together. The affiliation expands Innax's technical expertise and services, while TUMS benefits from the scale, knowledge and project strength of a larger group. The partnership supports both organizations in their mission to achieve measurable, reliable and future-proof energy and building performance.

28 February 2025

Ennatuurlijk neemt ECW Geo Andijk over

Ennatuurlijk, a Dutch company specializing in sustainable local energy solutions, has acquired ECW Geo Andijk, a company that focuses on providing efficient and sustainable energy solutions for large corporate customers, including greenhouse companies and data centers. This acquisition aims to strengthen Ennatuurlijk's activities in the field of heat networks and geothermal energy, thereby further expanding its capabilities in the renewable energy sector.

28 February 2025

Ennatuurlijk acquires ECW Geo Andijk to strengthen renewable energy activities

Ennatuurlijk, a Dutch company specializing in sustainable local energy solutions, has acquired ECW Geo Andijk, a company focused on providing efficient and sustainable energy solutions for large-scale business clients, including greenhouse operations and data centers.