Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on
Form S-3 of our reports dated March 3, 2006, relating to the consolidated
financial statements and financial statement schedule of Sierra Pacific
Resources and management's report on the effectiveness of internal control over
financial reporting, appearing in the Annual Report on Form 10-K of Sierra
Pacific Resources for the year ended December 31, 2005 and to the reference to
us under the heading "Experts" in the Prospectus, which is part of this
Registration Statement.


/s/ Deloitte & Touche LLP


Reno, Nevada
July 12, 2006