Commerce is now accepting applications for $12.8 million in Anaerobic Digester Development (Dairy Digester) grants to help with dairy digester projects that repair, upgrade or develop dairy digesters.
The dairy digester program provides grants for the repair, upgrades and the development of dairy digesters. This also includes cover and flare projects. Applicants must show how much their project will reduce greenhouse gases and waste and how much energy it will produce. Applicants will also need to provide a 15% match.
Project eligibility
- The anaerobic digester must be primarily used for dairy biomass processing, with no more than 50% of biomass coming from other sources.
- Project must be located at or adjacent to an existing dairy.
- Project is ready to begin construction.
- Project must be completed within 24 months of contract execution.
- Project is not a feasibility study.
- Project is located in the state of Washington.
- The project must be one of the following project types:
- New construction of a digester.
- Repair of an existing digester.
- Upgrades to an existing digester.
- Digester projects include cover and flare projects.
Eligibility guidelines
Eligible applicants should be:
- Licensed to do business in the state of Washington, or submit a statement of commitment to become licensed in Washington within thirty (30) calendar days of being selected as an Apparently Successful Contractor. (This requirement does not apply to tribal entities)
- In good standing with all applicable federal, state, and local laws and requirements, including the Department of Commerce.
Priority will be given to:
- Applicants that demonstrate project readiness with a detailed plan to start immediately upon award.
- Applicants that can show meaningful reduction in the amount of greenhouse gases (GHG) and effluent as well as energy produced. This includes cost effectiveness.
- Applicants with secured match.
- Applicants with secured partnerships.
- Applicants that can demonstrate benefit to tribes, overburdened communities, and vulnerable populations.
How to apply
See the program documents (on Box) for application instructions and materials, conference slides and recordings, and Q&A documents:
The Pre-proposal Conference will be held on November 3, 2025, from 11 a.m.-noon.
This opportunity is supported with funding from Washington’s Climate Commitment Act. The CCA supports Washington’s climate action efforts by putting cap-and-invest dollars to work reducing climate pollution, creating jobs, and improving public health. Information about the CCA is available at www.climate.wa.gov.