Our Projects

Digester Projects.

09+

Operational
RNG Injections Facilities

70+

Operational
Digesters

50+

Digesters in Construction and Development

140+

Miles of Biogas Pipeline Installed

Van Warmerdam Dairy Digester - Galt, CA

Online Date: May 2013
End-Use: Renewable Electricity
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Pixley Biogas - Pixley, CA

Online Date: September 2014
End-Use: Renewable Electricity
Project Type: New (Digester)
Digester Tech: DVO

Van Steyn Dairy Digester - Elk Grove, CA

Online Date: September 2015
End-Use: Renewable Electricity
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Verwey-Hanford Dairy Digester - Hanford, CA

Online Date: October 2016
End-Use: Renewable Electricity
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Maricopa ( Previously TeVelde Tipton Dairy Digester) - Tipton, CA

Online Date: June 2017
End-Use: RNG/CNG
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Verwey-Madera Dairy Digester - Madera, CA

Online Date: May 2017
End-Use: Renewable Electricity
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Circle A Dairy - Pixley, CA

Online Date: August 2018
End-Use: Renewable Electricity
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Robert Vander Eyk Dairy - Tulare County, CA

Online Date: December 2018
End-Use:
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Legacy Ranch - Pixley, CA

Online Date: December 2018
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Van Beek Brothers Dairy - Tipton, CA

Online Date: January 2019
End-Use: RNG/CNG
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Cornerstone Dairy - Pixley, CA

Online Date: April 2019
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Sousa & Sousa Dairy - Pixley, CA

Online Date: June 2019
End-Use: RNG/CNG, Renewable Electricity
Project Type: New (Digester)
Digester Tech: Covered Lagoon

New Hope Dairy - Galt, CA

Online Date: July 2019
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Hilarides Dairy Digester - Pixley, CA

Online Date: August 2019
End-Use: RNG/CNG, Renewable Electricity
Project Type: New (Engine)
Digester Tech: Covered Lagoon

Vander Poel Dairy - Pixley, CA

Online Date: August 2019
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Riverview Dairy - Pixley, CA

Online Date: October 2019
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

K&M Visser Dairy - Pixley, CA

Online Date: September 2019
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Giacomini Dairy Digester Replacement Engine - Point Reyes, CA

Online Date: February 2019

End-Use: Renewable Electricity
Project Type: Retrofit (Engine)
Digester Tech: Covered Lagoon

Little Rock Centralized Dairy Digester - Pixley, CA

Online Date: December 2019
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

4K Dairy - Pixley, CA

Online Date: January 2020
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Ackerman Dairy Digester - Ceres, CA

Online Date: August 2020
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Double D Dairy - Ceres, CA

Online Date: September 2020
End-Use: RNG/CNG, Renewable Electricity
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Still Water Ranch Dairy Digester - Hanford, CA

Online Date: November 2020
End-Use: RNG/CNG
Project Type: New (Digester & Engine)
Digester Tech: Covered Lagoon

Channel Islands Dairy Digester (Previously Pacific Rim) - Corcoran, CA

Online Date: November 2020
End-Use: Renewable Electricity
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Lone Oak #1 Dairy Digester - Hanford, CA

Online Date: March 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon

Maas Energy Works specializes in developing, owning, and operating anaerobic manure digesters.

Administrative Office

Redding, CA, 96001

530-710-8545