SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of Earliest Event Reported) February 1, 2001 ---------------- Registrant, State of Incorporation, Address of Commission File Principal Executive Offices and Telephone I.R.S. employer Number Number Identification Number 1-8788 SIERRA PACIFIC RESOURCES 88-0198358 P.O. Box 10100 (6100 Neil Road) Reno, Nevada 89520-0400 (89511) (775) 834-4011 1-4698 NEVADA POWER COMPANY 88-0045330 6226 West Sahara Avenue Las Vegas, Nevada 89146 (702) 367-5000 0-508 SIERRA PACIFIC POWER COMPANY 88-0044418 P.O. Box 10100 (6100 Neil Road) Reno, Nevada 89520-0400 (89511) (775) 834-4011 None - -------------------------------------------------------------------------------- (Former name, former address and former fiscal year, if changed since last report) Item 5. Other Events - --------------------- On January 29, 2001, Sierra Pacific Resources (the parent corporation of Nevada Power Company and Sierra Pacific Power Company) issued a press release announcing the filing of an emergency Comprehensive Energy Plan (CEP). In the CEP, filed with the Public Utilities Commission of Nevada, Sierra Pacific Resources' Nevada Power and Sierra Pacific Power utility subsidiaries are proposing short-term emergency price increases ranging from zero for certain low-usage customers to as much as 29 percent for the state's largest energy users to correct serious imbalances between the cost of wholesale power and retail prices. The CEP also addresses other issues including long-term contracts, low income assistance and conservation programs all intended to help stabilize energy markets in the state. A copy of the press release, dated January 29, 2001, and the CEP described above are attached as Exhibits 99.1 and 99.2, respectively hereto. Item 7. Financial Statements and Exhibits - ----------------------------------------- (a) Financial Statements of Businesses Acquired. ------------------------------------------- Not required (b) Pro forma financial information. ------------------------------- Not required (c) Exhibits. -------- 99.1 Sierra Pacific Resources- Press Release issued January 29, 2001 99.2 Comprehensive Energy Plan dated January 29, 2001. Signature Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Sierra Pacific Resources ------------------------ (Registrant) Date: February 1, 2001 By: /s/ Mark A. Ruelle ---------------- ---------------------- Mark A. Ruelle Senior Vice President Treasurer Chief Financial Officer (Principal Financial Officer) Nevada Power Company -------------------- (Registrant) Date: February 1, 2001 By: /s/ Mark A. Ruelle ---------------- ---------------------- Mark A. Ruelle Senior Vice President Treasurer Chief Financial Officer (Principal Financial Officer) Sierra Pacific Power Company ---------------------------- (Registrant) Date: February 1, 2001 By: /s/ Mark A. Ruelle ---------------- ---------------------- Mark A. Ruelle Senior Vice President Treasurer Chief Financial Officer (Principal Financial Officer) Exhibit Index ------------- Exhibit 99.1 Sierra Pacific Resources- Press Release issued January 29, 2001. Exhibit 99.2 Comprehensive Energy Plan dated January 29, 2001.