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California Department of Food and Agriculture

Dairy Digester Research & Development Program

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 received $50 million from the Greenhouse Gas Reduction Fund in 2016 (AB 1613 Section 13. Item 8570-101-3228) for methane emissions reductions from dairy and livestock operations. CDFA will allocate $29-36 million from the total $50 million appropriation as incentives to support digester projects on California dairy operations. Remainder of the funding appropriation will incentivize development of non-digester practices to reduce methane emissions through the Alternative Manure Management Program (AMMP). DDRDP is guided by the Statement of Principles (PDF) of the California-Federal Dairy Digester Working Group. The Working Group is a partnership of state, federal and local agencies with the common goal of identifying and removing barriers to the wide adoption of dairy digester systems in California.

Dairy Digester Research and Development Program (DDRDP) 2017 Program Updates
  1. CDFA released the DRAFT Request for Grant Applications (RGA) for a 10-day comment period from February 1, 2017 – February 14, 2017. Comments were invited on the following documents: Comments submitted on the DRAFT Request for Grant Applications

  2. A webinar was held on February 6, 10:00 a.m to highlight key components of the draft RGA, including revised scoring criteria and changes from last round due to new legislation (SB 859).

    CDFA DDRDP Webinar Presentation – February 6, 2017

  3. DRAFT ARB Quantification Methodology and Tool
    The California Air Resources Board (ARB) posted the draft DDRDP Quantification Methodology and Tool on their webpage for public comments:
    www.arb.ca.gov/cci-quantification.
    ARB accepted comments on the DDRDP Quantification Methodology and Tool until February 14, 2017.

    This tool will be used in CDFA’s upcoming DDRDP Request for Grant Applications.

November 2016 Public Listening Sessions

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Tentative Timeline for the 2016-2017 Dairy Digester Research and Development Program

(Revised January 2017)

Item Proposed Dates*
Public/Stakeholder Meetings November 2016
Request for Grant Application released for 10-day public comment February 2017
Notice of Funding availability released March 2017
Grant Application Workshops March – Apr 2017
Applications proposals due May 2017
Proposal evaluation period May-July 2017
Announce grant awardees August 2017
Project Implementation begins September 2017
*Subject to change

About the Program

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 AgSTAR Anaerobic Digestion webpage.

Download the Dairy Digester Research & Development Program Fact Sheet to learn more (PDF)

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What's New?

Press Releases

DDRDP in the News

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Growing California video series: Cow Power

New Hope Dairy like other California dairies is quickly pioneering a new method to convert cow manure into methane gas using anaerobic digester plants.

Contact Us

If you have questions about CDFA’s dairy digester and dairy methane reduction programs, please send an e-mail to cdfa.oefi@cdfa.ca.gov.

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