| Date Filed | Type | Description |
| 02/23/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/01/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/27/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/27/2008 |
AR
| 2007 Annual Report |
| 02/28/2007 |
AR
| 2006 Annual Report |
| 02/27/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/01/2006 |
AR
| 2005 Annual Report |
| 03/01/2006 |
AR
| West Penn Power Company and Subsidiaries Consolidated Financial Statements, For the Years Ended December 31, 2006 and 2005 |
| 02/28/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/10/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/10/2005 |
AR
| 2004 Annual Report |
| 03/11/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/11/2004 |
AR
| 2003 Annual Report |
| 09/25/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 09/25/2003 |
AR
| 2002 Annual Report |
| 04/09/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/01/2002 |
AR
| 2001 Annual Report (.pdf) |
| 03/30/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/29/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/29/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/17/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/23/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/24/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/12/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/15/1995 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/14/1994 |
10-K
| Annual Report for the period ended December 31, 1993 |