AgSTAR Project Profiles
Profiles and Case Studies
You can filter, sort, and search for project profiles and case studies in the table below. Operating systems provide working examples of success, and projects that have been shut down offer lessons learned. The case studies often highlight multiple anaerobic digesters.
Pursuant to 5 CFR § 2635.702(c)(2), names are displayed here as the result of recognition for achievement given under an agency program of recognition for accomplishment in support of the agency’s mission. Any reference to a specific company or commercial product or service by trade name, trademark, manufacturer, company, or otherwise does not constitute or imply the endorsement or recommendation of EPA.
Featured Profiles
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| Farm/Project Name | State | Animal Type | Codigestion? | Operating Status | Document Type |
|---|---|---|---|---|---|
| Farm/Project Name | State | Animal Type | Codigestion? | Operating Status | |
| AA Dairy | NY | Dairy | Yes | Shut down | AgSTAR Profile |
| ABEC New Hope LLC Digester | CA | Dairy | Yes | Operational | Video Exit |
| Baldwin Dairy | WI | Dairy | No | Operational | AgSTAR Profile |
| Baldwin Dairy | WI | Dairy | No | Operational | Case Study |
| Barstow's Longview Farm | MA | Dairy | Yes | Operational | AgSTAR Profile Online |
| Bar-Way Farm | MA | Dairy | Yes | Operational | AgSTAR Profile Online |
| Bernie Faber Dairy (CalGon Dairy) | OR | Dairy | No | Operational | AgSTAR Profile |
| Big Sky West Dairy | ID | Dairy | Yes | Operational | AgSTAR Profile |
| Blue Spruce Farm, Inc. / Audets Cow Power | VT | Dairy | Yes | Operational | AgSTAR Profile |
| Brendle’s Egg Farm | PA | Poultry | No | Shut down | Case Study Exit |
| Butler Farms | NC | Hog | No | Operational | AgSTAR Profile |
| Castelanelli Bros. Dairy | CA | Dairy | No | Operational | AgSTAR Profile |
| Cayuga County Digester | NY | Dairy | Yes | Operational | Case Study Exit |
| Central Sands Dairy | WI | Dairy | Yes | Operational | Case Study |
| Clover Hill Dairy | WI | Dairy | No | Operational | Case Study |
| Clover Hill Dairy, LLC | WI | Dairy | Yes | Operational | AgSTAR Profile |
| CottonWood Dairy | CA | Dairy | Yes | Operational | AgSTAR Profile |
| Crave Brothers Dairy Farm / Clear Horizons LLC | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Crave Brothers Farm | WI | Dairy | Yes | Operational | Case Study |
| Dane County Community Digester | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Danny Kluthe Farm | NE | Hog | No | Operational | AgSTAR Profile |
| Deere Ridge Dairy | WI | Dairy | No | Unknown | Case Study |
| DeRuyter & Sons Dairy | WA | Dairy | No | Operational | Case StudyExit |
| Double S Dairy | WI | Dairy | No | Shut down | Case Study |
| Emerald Dairy | WI | Dairy | No | Shut down | Case Study |
| Emerling Farms | NY | Dairy | Yes | Operational | AgSTAR Profile |
| Farm Power Lynden | WA | Dairy | Yes | Operational | Case Study Exit |
| Farm Power Misty Meadow Digester | OR | Dairy | Yes | Operational | Profile Exit |
| Farm Power Rexville | WA | Dairy | Yes | Operational | Case Study Exit |
| Five Star Dairy | WI | Dairy | Yes | Operational | Case Study |
| Five Star Dairy Farm | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Foster Brothers Farm | VT | Dairy | No | Shut down | AgSTAR Profile |
| FPE Renewables | WA | Dairy | Yes | Operational | Case Study Exit |
| Freund Farm | CT | Dairy | No | Operational | AgSTAR Profile Online |
| Gordondale Farms | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Green Valley Dairy | WI | Dairy | Yes | Operational | Case Study |
| Green Valley Dairy | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Haubenschild Farms | MN | Dairy | No | Operational | AgSTAR Profile |
| Hillcrest Dairy (Formerly New Horizons) | IL | Dairy | Yes | Operational | AgSTAR Profile |
| Holsum Dairy – Elm Road | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Holsum Dairy – Elm Road | WI | Dairy | Yes | Operational | Case Study |
| Holsum Dairy – Irish Road | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Holsum Dairy – Irish Road | WI | Dairy | Yes | Operational | Case Study |
| Huckabay Ridge | TX | Dairy | Yes | Shut down | AgSTAR Profile |
| Joneslan Farm Digester | VT | Dairy | No | Operational | Case study Exit |
| Lake Breeze Dairy | WI | Dairy | No | Shut down | Case Study |
| Loyd Ray Farms | NC | Hog | No | Operational | • AgSTAR Profile • Video Exit |
| Mason Dixon Farms | PA | Dairy | No | Operational | AgSTAR Profile |
| Michigan State University | MI | Dairy | Yes | Operational | • AgSTAR Profile • Case study • Video Exit |
| Noblehurst Farms | NY | Dairy | Yes | Operational | • AgSTAR Profile Online • Case Study Exit |
| New Hope View Farm | NY | Dairy | Yes | Operational | AgSTAR Profile |
| Norm-E-Lane | WI | Dairy | No | Operational | Case Study |
| Norswiss Farms | WI | Dairy | Yes | Operational | Case Study |
| Norswiss Farms | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Open Sky Ranch Dairy Digester | CA | Dairy | No | Operational | Case study Exit |
| Oregon Dairy Farm | PA | Dairy | No | Operational | Case Study Exit |
| Pagel’s Ponderosa Dairy | WI | Dairy | No | Operational | Case Study |
| Patterson Farms | NY | Dairy | Yes | Operational | AgSTAR Profile |
| Patterson Farms Dairy | NY | Dairy | Yes | Operational | Case Study Exit |
| Penn England Farm | PA | Dairy | No | Operational | Case Study Exit |
| Pine Hurst Acres | PA | Hog | No | Operational | Case Study Exit |
| Qualco Energy | WA | Dairy | Yes | Operational | Case Study Exit |
| Quantum Dairy | WI | Dairy | No | Operational | Case Study |
| quasar energy group - Wooster | OH | Dairy | Yes | Operational | • AgSTAR Profile • Video Exit |
| RES Forest Glen Oaks LLC Digester | OR | Dairy | No | Operational | Profile Exit |
| Ridgeline Dairy Farm | NY | Dairy | Yes | Operational | Case Study Exit |
| Ridgeline Farm | NY | Dairy | Yes | Operational | AgSTAR Profile |
| Ringler Farm | OH | Hog | Yes | Operational | AgSTAR Profile |
| Ruckman Farm | MO | Hog | No | Operational | AgSTAR Profile Online |
| Scenic View Dairy - Fennville | MI | Dairy | No | Operational | Case Study Exit |
| Scenic View Dairy - Fennville | MI | Dairy | Yes | Operational | AgSTAR Profile |
| Schrack Farms | PA | Dairy | No | Operational | Case Study Exit |
| Statz Brothers, Inc. | WI | Dairy | No | Operational | Case Study |
| Sunny Knoll Farm | NY | Dairy | Yes | Operational | AgSTAR Profile |
| Sunrise Dairy | WI | Dairy | No | Operational | Case Study |
| Sunrise Dairy (formerly Suring Community Dairy) | WI | Dairy | Yes | Operational | AgSTAR Profile |
| SUNY at Morrisville Dairy | NY | Dairy | No | Operational | Case Study Exit |
| Synergy Dairy - Covington | NY | Dairy | Yes | Operational | Case Study Exit |
| Tolenaar Holsteins Dairy | CA | Dairy | No | Operational | AgSTAR Profile |
| Twin Birch Dairy | NY | Dairy | Yes | Operational | AgSTAR Profile |
| USEMCO - Peters Farm Digester | WI | Dairy | Yes | Operational | Case Study Exit |
| Van Dyk-S Holsteins | WA | Dairy | Yes | Operational | Case Study Exit |
| Vander Haak Dairy | WA | Dairy | Yes | Operational | AgSTAR Profile |
| Vir-Clar Farm | WI | Dairy | Yes | Operational | Case Study |
| Vir-Clar Farms | WI | Dairy | Yes | Operational | AgSTAR Profile |
| Volbeda Dairy | OR | Dairy | Unknown | Feasibility Study Exit | |
| Volm Farms | WI | Dairy | No | Operational | Case Study |
| Washington State University Research Project | WA | Multiple | Yes | Operational | AgSTAR Profile |
| Wild Rose Dairy | WI | Dairy | Yes | Operational | Case Study |
| Wild Rose Dairy | WI | Dairy | Yes | Operational | AgSTAR Profile |