| Filed On | Filing |
|---|---|
| 27 Mar 2013 | DEF 14A |
| 27 Mar 2012 | DEFINITIVE PROXY STATEMENT |
| 21 Mar 2011 | DEFINITIVE PROXY STATEMENT |
| 22 Mar 2010 | DEFINITIVE PROXY STATEMENT |
| 20 Mar 2009 | DEFINITIVE PROXY STATEMENT |
| 10 Oct 2008 | SIERRA PACIFIC RESOURCES |
| 19 Mar 2008 | SIERRA PACIFIC RESOURCES |
| 29 Mar 2007 | DEFINITIVE PROXY STATEMENT |
| 03 Apr 2006 | NOTICE OF ANNUAL MEETING OF STOCKHOLDER |
| 31 Mar 2005 | SIERRA PACIFIC RESOURCES |
| 01 Apr 2004 | DEFINITIVE PROXY STATEMENT |
| 27 Jun 2003 | SIERRA PACIFIC RESOURCES |
| 09 Apr 2003 | DEFINITIVE PROXY STATEMENT |
| 21 Jun 2002 | DEFINITIVE PROXY STATEMENT |
| 30 Apr 2001 | NOTICE AND PROXY STATEMENT |
| 19 Apr 2000 | DEFINITIVE NOTICE AND PROXY STATEMENT |
| 02 Apr 1999 | DEFINITIVE NOTICE AND PROXY STATEMENT |
| 27 Mar 1998 | DEFINITIVE NOTICE AND PROXY STATEMENT |
| 14 Apr 1997 | NOTICE & PROXY STATEMENT |
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