Allegheny Energy Schedules Earnings News Release and Webcast

GREENSBURG, Pa.--(Business Wire)--
Allegheny Energy, Inc. (NYSE: AYE) will issue a news release containing its
financial results for the first quarter of 2009 before the New York Stock
Exchange opens on Tuesday, May 5, 2009.

The company will discuss the quarterly results with the financial community in a
conference call at 2:00 p.m. (Eastern Daylight Time) on Tuesday, May 5.
Investors, the news media and others may listen to a live Internet broadcast of
the call at www.alleghenyenergy.com. A taped replay of the call will be
available after the live broadcast. The earnings news release and supporting
financial data will also be posted on Allegheny Energy's Web site after the
results are issued.

Allegheny Energy

Headquartered in Greensburg, Pa., Allegheny Energy is an investor-owned electric
utility with total annual revenues of over $3 billion and more than 4,000
employees. The company owns and operates generating facilities and delivers
low-cost, reliable electric service to 1.6 million customers in Pennsylvania,
West Virginia, Maryland and Virginia. For more information, visit the company`s
Web site at www.alleghenyenergy.com.

Allegheny Energy, Inc.
Media contact:
David Neurohr, Director, External Communications
Phone: 724-838-6020
Media Hotline: 1-888-233-3583
E-mail: dneuroh@alleghenyenergy.com
or
Investor contact:
Max Kuniansky, Executive Director, Investor Relations
and Corporate Communications
Phone: 724-838-6895
E-mail: mkunian@alleghenyenergy.com
or
Look for us on the Internet at www.alleghenyenergy.com

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