Anaerobic Dairy Digester Program now accepting applications

Having trouble viewing this email? View it online

October 22, 2025

Anaerobic Dairy Digester Program now accepting applications 

Commerce is now accepting applications for $12.8 million in grants to repair, upgrade, or build dairy digesters

The Dairy Digester Program provides grants to build, repair, or upgrade digesters, including projects that add covers or flares. Applicants must show how their project will cut greenhouse gas emissions, reduce waste, and produce energy. A 15% funding match is required.

See the program documents (on Box) for application instructions and materials, conference slides and recordings, and Q&A documents. Visit the Dairy Digester program page for more information. 

Important dates:

  • Application opens: October 22, 2025, at 5 p.m.
  • Application closes: December 10, 2025, at 5 p.m.
  • Awards announced: February 2026

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 shovel-ready.
  • Project must be completed within 24 months of contract execution.
  • Project is not a feasibility study.
  • Project 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.

Questions?

Contact EPICgrants@commerce.wa.gov