Dairy Digester Projects
OUR PROJECTS
Explore Maas Energy’s portfolio of dairy anaerobic digester and renewable natural gas (RNG) projects across California, Wisconsin, Texas, Michigan, Illinois, New York and other states showcasing our proven results in bio-gas development and dairy sustainability. From active installations to upcoming dairy RNG projects, see how we partner with farms to deliver scalable, high-impact clean energy solutions.
09+
Operational Renewable Natural Gas Facilities
Operational Dairy Anaerobic Digesters
85+
185+
Miles of Dairy Bio-Gas Pipeline Installed
25+
Digesters in Construction and Development
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
Lakeside Pipeline Hub
Online Date: March 2021
End-Use: RNG/CNG (Pipeline)
Project Type: Biogas Hub (Gas Conditioning)
FM Jerseys Dairy Digester - Tipton, CA
Online Date: March 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Oak Valley 5 - Burley, ID
Online Date: April 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon, Tanks
Dixie Creek Digester - Hanford, CA
Online Date: March 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Avalon Dairy Digester - Wasco, CA
Online Date: May 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered
Open Sky Dairy Digester - Riverdale, CA
Online Date: July 2021
End-Use: RNG/CNG, Renewable Electricity
Project Type: Refurbished (Digester) New (Engine)
Digester Tech: Covered Lagoon
Magic Valley Cleanup Hub
Online Date: July 2021
End-Use: RNG/CNG (Pipeline)
Project Type: Biogas Hub (Gas Conditioning)
Decade Dairy Centralized Digester - Tulare, CA
Online Date: July 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Oak Valley 1 & 4 Digester - Burley, ID
Online Date: July 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon, Tanks
Stotz Farms Southern Dairy Digester - Buckeye, AZ
Online Date: July 2021
End-Use: Renewable Electricity
Project Type: Retrofit (Digester & Engine)
Digester Tech: Covered Lagoon
Triple G Dairy Digester - Buckeye, AZ
Online Date: July 2021
End-Use: Renewable Electricity
Project Type: Retrofit (Digester & Engine)
Digester Tech: Covered Lagoon
Northstar Dairy Digester - Tipton, CA
Online Date: August 2021
End-Use: RNG/CNG
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Poplar Lane Dairy Digester - Hanford, California
Online Date: September 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Lone Oak #2 Dairy Digester - Fresno, California
Online Date: October 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester) New (Gas Conditioning)
Digester Tech: Covered Lagoon
Hettinga Centralized Dairy Digester - Pixley, California
Online Date: October 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Lakeside Energy Dairy Digester - Hanford, California
Online Date: October 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Pixley Dairy Digester - Pixley, California
Online Date: November 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Vander Woude Dairy Digester - Merced, California
Online Date: November 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Red Rock Dairy Digester - Merced, CaliforniaRed Rock Dairy Digester - Merced, California
Online Date: November 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Merced Pipeline Hub - Merced, California
Online Date: November 2021
End-Use: RNG/CNG (Pipeline)
Project Type: Biogas Hub (Gas Conditioning)
Schott Dairy Digester - Tipton, California
Online Date: November 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Five H Farms Digester - Merced, California
Online Date: December 2021
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Vanderham Dairy Digester - Riverdale, California
Online Date: February 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Five Points Hub - Riverdale, California
Online Date: February 2022
End-Use: RNG/CNG (Pipeline)
Project Type: Biogas Hub (Gas Conditioning)
Van der Kooi Dairy Digester - Riverdale, California
Online Date: February 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Oak Creek Dairy - Merced, CA
Online Date: April 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Rockshar Dairy Digester - Merced, California
Online Date: April 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
JR Dairy Digester - Tipton, California
Online Date: Aprril 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Full Circle Jerseys - Dalhart, Texas
Online Date: May 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester);New (Gas Conditioning)
Digester Tech: Covered Lagoon
Double Diamond Dairy Digester - El Nido, California
Online Date: May 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Yokum Dairy Digester (Previously Double L Cattle) - Hanford, California
Online Date: May 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Simoes Centralized Dairy Digester - Tipton, California
Online Date: August 2022
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Meirinho Holsteins Dairy Digester - Merced, California
Online Date: January 2023
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
High Roller Dairy Digester - Hanford, California
Online Date: March 2023
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Homen Dairy - Merced, CA
Online Date: August 2023
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Avalon Dairy Digester - Wasco, California
Online Date: August 2023
End-Use: RNG/CNG (Hauling)
Project Type: New (Digester) New (Gas Conditioning)
Digester Tech: Covered Lagoon
De Boer Dairy - Tulare, CA
Online Date: August 2023
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Rock Prairie Digester - Avalon, WI
Online Date: December 2023
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
De Jager Farms South Dairy Digester - Chowchilla, California
Online Date: December 2023
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Pinnacle Dairy - Broadhead, WI
Online Date: March 2024
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
J Troost Dairy Digester - Chowchilla, California
Online Date: April 2024
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Wildcat Dairy - Gustine, TX
Online Date: July2024
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Skyline Dairy - Burley, Idaho
Online Date: December 2024
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Countryside Dairy - Hanford, CA
Projected Online Date: 2025
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Mattos Bros Dairy Digester - Hanford, California
Projected Online Date: 2025
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Four J Farms Dairy Digester - Pixley, California
Projected Online Date: 2025
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
LegenDairy Digester - Tipton, California
Projected Online Date: 2025
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Couco Creek Dairy - Stanislaus, CA
Projected Online Date: 2025
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
Barcellos Dairy & Brasil Dairy - Tipton, CA
Projected Online Date: 2026
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon
DDW Farms - Tulare, CA
Projected Online Date: 2026
End-Use: RNG/CNG (Pipeline)
Project Type: New (Digester)
Digester Tech: Covered Lagoon