                         U.S. Securities and Exchange Commission
                                Washington, D.C. 20549

                                    FORM 8-K

                                CURRENT REPORT
      PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

   Date of Report (Date of earliest event reported):  May 11, 2005


                               ADA-ES, INC.
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)


          Colorado                 000-50216               84-1457385
----------------------------      -----------          -----------------
(State or other jurisdiction     (Commission          (I.R.S. Employer
       of incorporation)          File Number)        Identification No.)


               8100 SouthPark Way, B, Littleton, Colorado           80120
               ------------------------------------------          --------
                 (Address of principal executive offices)         (Zip Code)

Registrant's telephone number, including area code: (303)734-1727


                               Not Applicable
                              ----------------
(Former name, former address and former fiscal year, if changed since last
  report)

Item 2.02 Results of Operations and Financial Condition

----------------------------------------
Exhibit 99.1  May 11, 2005 Press Release announcing First Quarter 2005 Results.




SIGNATURES

	Pursuant to the requirements of the Securities Exchange Act of
1934, the Registrant duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

					       	         ADA-ES, Inc.
						                 Registrant

Date:  May 11, 2005                          /s/ Mark H. McKinnies
                                              ----------------------
                                                 Mark H. McKinnies
                                             Chief Financial Officer

