| Date Filed | Type | Description |
| 02/13/2012 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/07/2012 |
SC 13G/A
| ALLEGHENY ENERGY, INC reports a 12% stake in Allegheny Energy Inc |
| 06/28/2011 |
15-15D
| Form 15-15D - Suspension of duty to report [Section 13 and 15(d)] |
| 03/14/2011 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)] |
| 03/02/2011 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities |
| 02/28/2011 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities |
| 02/25/2011 |
RW
| Form RW - Registration Withdrawal Request |
| 02/25/2011 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/25/2011 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/25/2011 |
8-K
| Quarterly results |
| 02/24/2011 |
BW
| FirstEnergy-Allegheny Energy Merger Approved by Pennsylvania Public Utilities Commission |
| 02/23/2011 |
8-K
| Form 8-K - Current report |
| 02/23/2011 |
BW
| Allegheny Energy Reports Strong Financial Results for Year 2010 |
| 02/23/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/21/2011 |
PRN
| Peter J. Kotsenas Promoted to Vice President, East Fleet Operations, for FirstEnergy |
| 02/11/2011 |
SC 13G/A
| ALLEGHENY ENERGY, INC reports a 0% stake in Allegheny Energy Inc |
| 02/10/2011 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/10/2011 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/02/2011 |
SC 13G
| ALLEGHENY ENERGY, INC reports a 5.6% stake in ALLEGHENY ENERGY INC |
| 12/15/2010 |
8-K
| Form 8-K - Current report |
| 12/02/2010 |
BW
| Severe Winter Weather Can Cause Outages, Allegheny Power Reminds Customers to be Prepared |
| 12/01/2010 |
BW
| Comprehensive Settlement with Majority of Parties to Merger Case in Maryland Includes Enhanced Customer Benefits |
| 11/30/2010 |
BW
| Allegheny Power Offers Tips on How to Save Energy and Reduce Your Electric Bill |
| 11/16/2010 |
BW
| Allegheny Energy??s United Way Campaign Tops $1 Million for First Time in Company's History |
| 11/05/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 11/01/2010 |
8-K
| Form 8-K - Current report |
| 10/28/2010 |
BW
| Allegheny Power is Best in Northeast Region for the Sixth Consecutive Year |
| 10/27/2010 |
8-K
| Other Events, Financial Statements and Exhibits |
| 10/27/2010 |
8-K
| Quarterly results |
| 10/27/2010 |
BW
| Allegheny Energy Reports Strong Third Quarter Financial Results |
| 10/25/2010 |
BW
| Comprehensive Settlement Reached with Majority of Parties to Merger Case in Pennsylvania |
| 10/22/2010 |
BW
| Allegheny Power Completes Auctions for 2011 Electricity Supply in Pennsylvania |
| 10/18/2010 |
NO ACT
| Form NO ACT - No Action Letter |
| 10/12/2010 |
BW
| FirstEnergy and Allegheny Energy Respond to PA Governor's Announcement |
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