• The latest edition of ASH at Work Magazine is available online now!
  • Coal Ash Beneficial Use Rises to 64 Percent

    In 2017, the United States used more ash than it disposed for the third straight year. Read about ACAA's annual production and use survey results here.

    Annual Production & Use Data
  • Revised CCP & FGD SDS Templates and Guidance Documents Now Available, click here.

    SDS Template and Guidance Document Now Available
  • ACAA 2019 Winter Meeting

    Join us for ACAA’s winter meeting, January 30-31, 2019, Houston, TX click here for more details

    ACAA Winter Meeting
  • GCCP
  • Join us at the World of Coal Ash, May 13-16, 2019, St. Louis, MO

    WOCA 2018


The American Coal Ash Association, established in 1968, is a nonprofit trade association devoted to recycling the materials created when we burn coal to generate electricity. Our members comprise the world's foremost experts on coal ash (fly ash and bottom ash), and boiler slag, flue gas desulfurization gypsum (FGD or "synthetic" gypsum), and other flue gas materials captured by emissions controls.

Mark your calendars and save these dates.

ACAA 2019 Winter Meeting will be held in Houston, TX on January 30-31, 2019.

World Of Coal Ash 2019 will be held in St. Louis, MO on May 13-16, 2019.

Committee Conference Calls Now on Demand

ACAA members can now catch up on recordings of committee conference calls they miss by visiting this page.

ACAA 2018 Fall Membership Meeting

Click here for the meeting presentations.


Welcome ACAA's Newest Members

Gradient, (Associate Member)


Please click here for our full member list!