SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, DC 20549

                                   FORM 8-K

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


                        August 6, 2004 (August 4, 2004)
               Date of report (Date of earliest event reported)


                            ALLEGHENY ENERGY, INC.
              (Exact name of registrant as specified in charter)


             Maryland                     1-267                13-5531602
   (State or Other Jurisdiction      (Commission File        (IRS Employer
        of Incorporation)                Number)          Identification No.)


                 800 Cabin Hill Drive
               Greensburg, Pennsylvania                        15601-1689
     (Address of principal executive of offices)               (Zip code)


       Registrants telephone number including area code: (724) 837-3000


                                      N/A
         (Former Name or former address if changed since last report)



<PAGE>


Item 5.  Other Events and Regulation FD Disclosure

         On August 4, 2004, Allegheny Energy, Inc. announced that its
subsidiary, Monongahela Power Company, has signed a definitive agreement to
sell its natural gas operations in West Virginia to a partnership composed of
IGS Utilities LLC, IGS Holdings LLC and affiliates of ArcLight Capital
Partners, LLC. A copy of the press release is attached as Exhibit 99.1 to this
Current Report on Form 8-K and is incorporated herein by reference.

         On August 4, 2004, Allegheny Energy, Inc. announced that it has
entered into multi-year coal supply agreements with CONSOL Energy Inc. A copy
of the press release is attached as Exhibit 99.2 to this Current Report on
Form 8-K and is incorporated herein by reference.

         On August 4, 2004, Allegheny Energy, Inc. issued a press release
announcing the appointment of Edward Dudzinski as Vice President of Human
Resources. A copy of the press release is attached as Exhibit 99.3 to this
Current Report on Form 8-K and is incorporated by reference into this Item.


Item 7.  Financial Statements and Exhibits

         (c)      Exhibits

         Exhibit Number            Description
         --------------            -----------

         99.1               Press release issued by Allegheny Energy, Inc. on
                            August 4, 2004 announcing the sale of its natural
                            gas operations in West Virginia.

         99.2               Press release issued by Allegheny Energy, Inc. on
                            August 4, 2004 announcing new coal supply
                            agreements.

         99.3               Press release issued by Allegheny Energy, Inc. on
                            August 4, 2004, announcing the appointment of
                            Edward Dudzinski as Vice President of Human
                            Resources.

<PAGE>

                                  SIGNATURES

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


                                            ALLEGHENY ENERGY, INC.


Dated:  August 5, 2004                      By:  /s/ David B. Hertzog
                                                 ----------------------------
                                            Name:   David B. Hertzog
                                            Title:  Vice President and
                                                    General Counsel

<PAGE>



                                 EXHIBIT INDEX

Exhibit Number                    Description
--------------                    -----------

99.1               Press release issued by Allegheny Energy, Inc. on August 4,
                   2004 announcing the sale of its natural gas operations in
                   West Virginia.

99.2               Press release issued by Allegheny Energy, Inc. on August 4,
                   2004 announcing new coal supply agreements.

99.3               Press release issued by Allegheny Energy, Inc. on August 4,
                   2004, announcing the appointment of Edward Dudzinski as
                   Vice President of Human Resources.
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{"company-data": {"conformed-name": "ALLEGHENY ENERGY INC", "cik": "0000003673", "assigned-sic": "4911", "irs-number": "135531602", "state-of-incorporation": "MD", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-00267", "film-number": "04955938"}, "business-address": {"street1": "10435 DOWNSVILLE PIKE", "city": "HAGERSTOWN", "state": "MD", "zip": "21740-1766", "phone": "3017903400"}, "mail-address": {"street1": "10435 DOWNSVILLE PIKE", "city": "HAGERSTOWN", "state": "MD", "zip": "21740-1766"}, "former-company": [{"former-conformed-name": "ALLEGHENY POWER SYSTEM INC", "date-changed": "19920703"}, {"former-conformed-name": "WEST PENN ELECTRIC CO", "date-changed": "19660908"}]}
SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, DC 20549

                                   FORM 8-K

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

                        August 6, 2004 (August 4, 2004)
               Date of report (Date of earliest event reported)

                            ALLEGHENY ENERGY, INC.
              (Exact name of registrant as specified in charter)

             Maryland                     1-267                13-5531602
   (State or Other Jurisdiction      (Commission File        (IRS Employer
        of Incorporation)                Number)          Identification No.)

                 800 Cabin Hill Drive
               Greensburg, Pennsylvania                        15601-1689
     (Address of principal executive of offices)               (Zip code)

       Registrants telephone number including area code: (724) 837-3000

                                      N/A
         (Former Name or former address if changed since last report)
Item 5.  Other Events and Regulation FD Disclosure

         On August 4, 2004, Allegheny Energy, Inc. announced that its
subsidiary, Monongahela Power Company, has signed a definitive agreement to
sell its natural gas operations in West Virginia to a partnership composed of
IGS Utilities LLC, IGS Holdings LLC and affiliates of ArcLight Capital
Partners, LLC. A copy of the press release is attached as Exhibit 99.1 to this
Current Report on Form 8-K and is incorporated herein by reference.

         On August 4, 2004, Allegheny Energy, Inc. announced that it has
entered into multi-year coal supply agreements with CONSOL Energy Inc. A copy
of the press release is attached as Exhibit 99.2 to this Current Report on
Form 8-K and is incorporated herein by reference.

         On August 4, 2004, Allegheny Energy, Inc. issued a press release
announcing the appointment of Edward Dudzinski as Vice President of Human
Resources. A copy of the press release is attached as Exhibit 99.3 to this
Current Report on Form 8-K and is incorporated by reference into this Item.

Item 7.  Financial Statements and Exhibits

         (c)      Exhibits

         Exhibit Number            Description
         --------------            -----------

         99.1               Press release issued by Allegheny Energy, Inc. on
                            August 4, 2004 announcing the sale of its natural
                            gas operations in West Virginia.

         99.2               Press release issued by Allegheny Energy, Inc. on
                            August 4, 2004 announcing new coal supply
                            agreements.

         99.3               Press release issued by Allegheny Energy, Inc. on
                            August 4, 2004, announcing the appointment of
                            Edward Dudzinski as Vice President of Human
                            Resources.
SIGNATURES

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

                                            ALLEGHENY ENERGY, INC.

Dated:  August 5, 2004                      By:  /s/ David B. Hertzog
                                                 ----------------------------
                                            Name:   David B. Hertzog
                                            Title:  Vice President and
                                                    General Counsel
EXHIBIT INDEX

Exhibit Number                    Description
--------------                    -----------

99.1               Press release issued by Allegheny Energy, Inc. on August 4,
                   2004 announcing the sale of its natural gas operations in
                   West Virginia.

99.2               Press release issued by Allegheny Energy, Inc. on August 4,
                   2004 announcing new coal supply agreements.

99.3               Press release issued by Allegheny Energy, Inc. on August 4,
                   2004, announcing the appointment of Edward Dudzinski as
                   Vice President of Human Resources.