Dairy Digester Research & Development Program
CDFA’s Dairy Digester Research and Development Program (DDRDP) provides financial assistance for the installation of dairy digesters in California, which will result in reduced greenhouse gas emissions.
CDFA awarded 14 projects for the 2022 DDRDP solicitation, totaling $18.71 million in grant funding. The list of awarded projects is available.
Applications were accepted between March 10 and May 9, 2022. CDFA received 27 applications requesting $35.38 million in grant funds.
As of March 24, 2023, 66% of DDRDP’s 131 projects have been completed.
DDRDP Program-Level Data of Executed and Funded Grant Projects
DDRDP Project-Level Data of Executed and Funded Grant Projects
Program Timeline for 2022 DDRDP*
| Item | Estimated Time Frame* |
|---|---|
| Application Submission Period | March 10 - May 9, 2022 |
| Review Process | May - August 2022 |
| Announce Award Funding | October 2022 |
| Grant Agreement Development and Execution | October – December 2022 |
| Awarded Project Implementation (Anticipated) | January 2023 – December 2024 |
(*Subject to change.)
Dairy Digester Video
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CDFA’s Dairy Digester Research and Development Program (DDRDP) provides financial assistance for the installation of dairy digesters in California, which will result in reduced greenhouse gas emissions.
Dairy digesters are a renewable technology that uses livestock manure to produce methane, which is a renewable source of electrical energy generation and transportation fuel. The technology has many environmental and social benefits. More information on dairy digesters can be found on the CalEPA Dairy Digesters webpage and the USEPA AgSTARAnaerobic Digestion webpage.
CDFA receives funding from California Climate Investments for methane emissions reductions from dairy and livestock operations.
If you have questions about CDFA’s dairy digester research and development and dairy methane reduction programs, please email cdfa.oefi_ddrdp_tech@cdfa.ca.gov.
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Program Status
CLOSED
Program is not accepting applications at this time.