EX-23.A 41 0041.txt CONSENT OF DELOITTE & TOUCHE LLP EXHIBIT 23(A) INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 333-92651 of Sierra Pacific Resources on Form S-8, Registration Statement No. 333-80149 of Sierra Pacific Resources on Form S-3 and Registration Statement No. 333-77523 of Sierra Pacific Resources on Form S-3 of our reports dated February 23, 2001 (March 9, 2001 as to Note 20), appearing in the Annual Report on Form 10-K of Sierra Pacific Resources for the year ended December 31, 2000. Deloitte & Touche LLP Reno, Nevada March 21, 2001