ALLEGHENY ENERGY, INC

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

Q: Jun 30 2009

Q: Mar 31 2009

FY: Dec 31 2008

Q: Sep 30 2008

Q: Jun 30 2008

Q: Mar 31 2008

FY: Dec 31 2007

Q: Sep 30 2007

Q: Jun 30 2007

Q: Mar 31 2007

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Q: Mar 31 2006

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

2.02,9.01

5.02,9.01

7.01

8.01,9.01

2.02,9.01

5.07

2.02,9.01

Entry into a Material Definitive Agreement

7.01

5.07

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

1.01,9.01

1.01,9.01

1.01,7.01,9.01

2.02,9.01

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

1.01,9.01

No description available

Certification of termination of registration of a class of securities (Section 12(b))

Notification of removal from listing and/or registration on a national securities exchange

Notice of Effectiveness

Notice of Effectiveness

Notification of removal from listing and/or registration on a national securities exchange

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Withdrawal of a registration statement

Withdrawal of a registration statement

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

PRICE T ROWE ASSOCIATES INC /MD/

VANGUARD GROUP INC

Pappas Christopher D

Oliver Kirk R

Gleason Eric S.

FREIDHEIM CYRUS F JR

Davis Curtis H

Dickens Rodney L

Dudzinski Edward

BAUM ELEANOR

Kleisner Theodore J

EVANSON PAUL J

JOHNSON JULIA L

Feinberg David Matthew

BALDWIN H FURLONG

Wahl William F

Sutton Michael H

RICE STEVEN H

SARSTEN GUNNAR E

JOHNSON JULIA L

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

No description available

No description available

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

No description available

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

No description available

No description available

No description available

No description available

No description available

Letter from the SEC

No description available