Maas Energy Works

Maas Energy Works, LLC

Redding, California, United States

BiogasHydrogen

Founded 2010201-500 employees

Profile last updated: April 15, 2026

About

Founded in 2010, Maas Energy Works is a renewable energy company headquartered in Redding, United States with approximately 201-500 employees specializing in Biogas, Hydrogen.

Maas Energy Works is a family-owned renewable energy company headquartered in Redding, California. It develops, owns, and operates on-farm anaerobic digester and renewable natural gas projects in partnership with dairy farms across the United States. Its systems convert manure and other organic waste into biogas, which is upgraded to pipeline-quality renewable natural gas, transportation fuel, electricity, and heat. The company also designs and manufactures biogas cleanup and power generation equipment through its Goose Works division, and reports operating the largest fleet of dairy digesters in the country.

Headquarters

Redding, United States

Founded

2010

Employees

201-500

Focus areas

biogasrenewable natural gasanaerobic digestiondairy digestermethane digestercarbon reductionhydrogenwaste-to-energy

Products & services

Business models

IPPEPC

Value chain

DevelopmentEngineeringConstructionManufacturingO&M

Service areas (1)

Dairy biogas development and operation
Develops, owns, and operates on-farm anaerobic digesters and renewable natural gas projects with dairy farmers.

Locations

Headquarters

South Street 1730, 96001, Redding, California, United States

Service regions

CaliforniaIdahoIowaGeorgiaKansasNebraskaSouth DakotaTexasWisconsinMichiganIllinoisNew YorkArizonaNew Mexico

Projects

Couco Creek Dairy RNG Facility

OperationalDairy biogas RNG upgrading

Renewable natural gas facility at Couco Creek Dairy that produces RNG from an onsite digester, receives trucked-in RNG from Blue Sky Dairy, and injects gas into the PG&E natural gas system.

Turlock, United States

Lakeside Pipeline Dairy Biogas Upgrading Facility

OperationalSolar-powered biogas upgrading

Dairy biogas upgrading facility processing manure from more than 10 dairy farms, now largely powered by a solar installation of about 17.5 acres generating roughly 9 million kWh annually.

Hanford, United States

Dairy Digester-to-Hydrogen Mobility Project

PlannedBiogas-to-hydrogen production

Planned first commercial California project using dairy digester biogas with Utility Global's H2Gen technology to produce hydrogen fuel for heavy-duty transportation.

United States