Item 8.01 Other Events.

On August 24, 2009, Allegheny Energy, Inc., issued a press release announcing interim results of the previously announced cash tender offer for debt securities and an amendment to such cash tender offer by its wholly-owned subsidiary, Allegheny Energy Supply Company, LLC ("AE Supply"). As of 5:00 p.m. New York City time, on August 21, 2009, approximately $146,846,000 of AE Supply's 8.25% Notes due 2012 and $93,413,000 of AE Supply's 7.80% Notes due 2011 were tendered and not withdrawn. In addition, AE Supply increased the Aggregate Maximum Tender Amount (as defined in the Offer to Purchase) from $220 million to $260 million. The terms and conditions of the tender offer are described in an Offer to Purchase dated August 10, 2009, as amended by the press release, which 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.

(d) Exhibits.

Exhibit No. Description
99.1 Press Release dated August 24, 2009

---