-----------------------------
                       UNITED STATES                        OMB APPROVAL
           SECURITIES AND EXCHANGE COMMISSION      -----------------------------
                   Washington, D.C. 20549          OMB Number:         3235-0058
                                                   Expires:       April 30, 2009
                                                   Estimated average burden
                          FORM 12b-25              hours per response ..... 2.50
                                                   -----------------------------
                                                   -----------------------------
                NOTIFICATION OF LATE FILING               SEC FILE NUMBER
                                                              000-51152
(Check One):                                       -----------------------------
                                                   -----------------------------
                                                           CUSIP NUMBER
                                                            71649T 10 4
                                                   -----------------------------
 [ ] Form 10-K  [ ] Form 20-F [ ] Form 11-K [X] Form 10-Q
 [ ] Form 10-D  [ ] Form N-SAR [ ] Form N-CSR
     For Period Ended: March 31, 2007

     [ ] Transition Report on Form 10-K
     [ ] Transition  Report on Form 20-F
     [ ] Transition  Report on Form 11-K
     [ ] Transition Report on Form 10-Q
     [ ] Transition Report on Form N-SAR
     For the Transition Period Ended: _____________________________________


--------------------------------------------------------------------------------
  READ INSTRUCTION (ON BACK PAGE) BEFORE PREPARING FORM. PLEASE PRINT OR TYPE.

      NOTHING IN THIS FORM SHALL BE CONSTRUED TO IMPLY THAT THE COMMISSION
                 HAS VERIFIED ANY INFORMATION CONTAINED HEREIN.
--------------------------------------------------------------------------------
If the notification  relates to a portion of the filing checked above,  identify
the Item(s) to which the notification relates:

--------------------------------------------------------------------------------
PART I -- REGISTRANT INFORMATION

PETROHUNTER ENERGY CORPORATION
--------------------------------------------------------------------------------
Full Name of Registrant

N/A
--------------------------------------------------------------------------------
Former Name if Applicable

1875 LAWRENCE STREET, #1400
--------------------------------------------------------------------------------
Address of Principal Executive Office (STREET AND NUMBER)

DENVER, CO  80202
--------------------------------------------------------------------------------
City, State and Zip Code

PART II -- RULES 12b-25(b) AND (c)

If the subject report could not be filed without  unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate)

        | (a) The reason described in reasonable detail in Part III of this form
        |     could not be eliminated without unreasonable effort or expense;
        |
  [X]   | (b) The subject annual report,  semi-annual report,  transition report
        |     on Form 10-K, Form 20-F, Form 11-K, Form  N-SAR or Form N-CSR,  or
        |     portion thereof, will be filed on or before the fifteenth calendar
        |     day  following  the  prescribed due date; or the subject quarterly
        |     report or  transition report on Form 10-Q, or subject distribution
        |     report on Form 10-D, or portion thereof will be filed on or before
        |     the fifth calendar day following the prescribed due date; and
        |
        | (c) The  accountant's  statement  or other  exhibit  required  by Rule
              12b-25(c) has been attached if applicable.

PART III -- NARRATIVE

State below in reasonable  detail the reasons why Forms 10-K,  20-F, 11-K, 10-Q,
10-D, N-SAR,  N-CSR,  or the transition  report or portion  thereof could not be
filed within the prescribed period.

(Attach extra Sheets if Needed)

THE REGISTRANT HAS EXPERIENCED UNEXPECTED DELAYS IN PREPARING THE FINANCIAL
STATEMENTS.

SEC 1344 (05-06)  PERSONS  WHO  ARE TO RESPOND TO THE COLLECTION OF INFORMATION
                  CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE
                  FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER.


PART IV--OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this
    notification

     Fay M. Matsukage              303                        777-3737
         (Name)                (Area Code)               (Telephone Number)

(2) Have all other  periodic  reports  required under Section 13 or 15(d) of the
    Securities  Exchange Act of 1934 or Section 30 of the Investment Company Act
    of 1940 during the  preceding 12 months or for such shorter  period that the
    registrant was required to file such report(s) been filed?  If the answer is
    no, identify report(s). [X] Yes [ ] No


--------------------------------------------------------------------------------

(3) Is it anticipated that any significant  change in results of operations from
    the  corresponding  period for the last fiscal year will be reflected by the
    earnings statements to be included in the subject report or portion thereof?
    [X] Yes [ ] No

    If so, attach an explanation of the anticipated change, both narratively and
    quantitatively,  and, if  appropriate,  state the  reasons why a  reasonable
    estimate of the results cannot be made.

The  Registrant  expects to  report a net loss of roughly $9,971,000 for the six
months  ended  March 31, 2007.  This  compares  to a net  loss of  approximately
$4,076,000 for the six months ended March 31, 2006.

================================================================================

                         PETROHUNTER ENERGY CORPORATION
                  (Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.


Date:  May 14, 2007                 By  /s/ CARMEN J. LOTITO
                                      -----------------------------------------
                                      Carmen J. Lotito
                                      Chief Financial Officer



INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly  authorized  representative.  The name and title of the person
signing  the form  shall  be typed or  printed  beneath  the  signature.  If the
statement is signed on behalf of the registrant by an authorized  representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

----------------------------------- ATTENTION ----------------------------------
   INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL CRIMINAL
                        VIOLATIONS (SEE 18 U.S.C. 1001).
--------------------------------------------------------------------------------

                              GENERAL INSTRUCTIONS

1.  This form is  required  by Rule  12b-25 (17 CFR  240.12b-25)  of the General
    Rules and Regulations under the Securities Exchange Act of 1934.

2.  One signed  original and four  conformed  copies of this form and amendments
    thereto  must be  completed  and  filed  with the  Securities  and  Exchange
    Commission,  Washington,  D.C.  20549,  in  accordance  with Rule 0-3 of the
    General Rules and Regulations under the Act. The information contained in or
    filed  with  the form  will be made a matter  of the  public  record  in the
    Commission files.

3.  A manually  signed copy of the form and  amendments  thereto  shall be filed
    with each national  securities  exchange on which any class of securities of
    the registrant is registered.

4.  Amendments to the  notifications  must also be filed on form 12b-25 but need
    not restate information that has been correctly furnished. The form shall be
    clearly identified as an amended notification.

5.  ELECTRONIC  FILERS.  This form shall not be used by electronic filers unable
    to timely file a report solely due to electronic difficulties. Filers unable
    to submit a report within the time period  prescribed due to difficulties in
    electronic  filing  should  comply  with  either  Rule  201 or  Rule  202 of
    Regulation  S-T  (ss.232.201  or ss.232.202 of this chapter) or apply for an
    adjustment  in  filing  date  pursuant  to  Rule  13(b)  of  Regulation  S-T
    (ss.232.13(b) of this chapter).