Maas Energy Works

About

Founded in 2007, Maas Energy Works is a private headquartered in Redding, United States with approximately 200-500 employees specializing in Biogas, Hydrogen.

Maas Energy Works is a family-owned renewable energy company specializing in on-farm waste-to-energy systems, primarily dairy digester development and operation. Founded in 2007 by Daryl Maas, the company has developed 90 dairy digester facilities across nine states, making it the most experienced dairy digester developer in the United States. MEW designs, finances, constructs, and operates anaerobic digesters that capture methane from manure and organic waste, converting it into renewable natural gas for pipeline injection, compressed natural gas for transportation fuel, and electric generation. The company partners directly with dairy farmers to build turnkey biogas systems that reduce methane emissions, diversify farm revenue, and support long-term operational sustainability. All digesters developed by MEW remain operational. The company also engages in solar power projects, hydrogen mobility initiatives, and environmental commodities trading related to renewable energy projects.

Projects