News Releases

Sierra Pacific Resources to Report Third Quarter Financial Results on Nov. 7

RENO, Nev.
Oct 27, 2005

Senior management of Sierra Pacific Resources (NYSE: SRP) will review the company's third quarter financial results, regulatory issues and other matters during a conference call and webcast on Monday, Nov. 7, at 7:30 a.m. Eastern Standard Time. The earlier than normal timing for this call is due to the fact that management will be meeting simultaneously with analysts attending the Edison Electric Institute's Financial Conference in Hollywood, Florida.

The webcast will be accessible on the Sierra Pacific Resources web site at:

An archived version of the webcast will remain on the Sierra Pacific Resources web site for approximately one month following the live webcast. To listen to a recording of the call by telephone, call (800) 475-6701 and use the conference call access code, 801054, to listen to the recording. International callers should dial (320) 365-3844.

Headquartered in Nevada, Sierra Pacific Resources is a holding company whose principal subsidiaries are Nevada Power Company, the electric utility for most of southern Nevada, and Sierra Pacific Power Company, the electric utility for most of northern Nevada and the Lake Tahoe area of California. Sierra Pacific Power Company also distributes natural gas in the Reno - Sparks area of northern Nevada. Other subsidiaries include the Tuscarora Gas Pipeline Company, which owns 50 percent interest in an interstate natural gas transmission partnership.

SOURCE: Sierra Pacific Resources

CONTACT: Media, Karl Walquist, +1-775-834-3891, or Analyst, Britta
Carlson, +1-702-367-5624, both for Sierra Pacific Resources

Web site: