UNITED STATES

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

September 14, 2006 (September 13, 2006)

Date of report (Date of earliest event reported)

Commission File Number		Name of Registrant State of Incorporation Address of Principal Executive Offices and Telephone Number	IRS Employer Identification Number
1-267		ALLEGHENY ENERGY, INC. (A Maryland Corporation) 800 Cabin Hill Drive Greensburg, Pennsylvania 15601 Telephone (724) 837-3000	13-5531602

	0-14688	MONONGAHELA POWER COMPANY (An Ohio Corporation) 1310 Fairmont Avenue Fairmont, West Virginia 26554 Telephone (304) 366-3000	13-3079675

N/A
(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01

Other Event.

On September 13, 2006, Allegheny Energy, Inc. issued a press release announcing that its subsidiary, Monongahela Power Company, will issue $150 million (principal amount) of 5.70% first mortgage bonds due March 15, 2017.

The press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits

	(c)		Exhibits
	Exhibit No.		Description
	99.1		Press release issued by Allegheny Energy, Inc. on September 13, 2006

SIGNATURES

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

Dated: September 14, 2006	By:	ALLEGHENY ENERGY, INC. /s/ Hyun Park
	Name:	Hyun Park
	Title:	Vice President, General Counsel and Secretary

Dated: September 14, 2006	By:	MONONGAHELA POWER COMPANY /s/ Hyun Park
	Name:	Hyun Park
	Title:	Vice President and Secretary

EXHIBIT INDEX

Exhibit Number	Description
99.1	Press release issued by Allegheny Energy, Inc. on September 13, 2006