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) November 14, 2003 Commission Registrant, State of Incorporation, Address I.R.S. Employer File Number of Principal Executive Offices and Number Telephone Number 1-8788 SIERRA PACIFIC RESOURCES 88-0198358 P.O. Box 10100 (6100 Neil Road) Reno, Nevada 895-0400 (89511) (775) 834-4011 1-4698 NEVADA POWER COMPANY 88-0045330 6226 West Sahara Avenue Las Vegas, Nevada 89146 (702) 367-5000 None - -------------------------------------------------------------------------------- (Former name, former address and former fiscal year, if changed since last report) ITEM 5. OTHER EVENTS On November 14, 2003, Nevada Power Company (NPC), a subsidiary of Sierra Pacific Resources (NYSE: SRP), today made required filings with the Public Utilities Commission of Nevada seeking to recover costs for fuel and purchased power as well as conservation and energy efficiency programs. In order to mitigate the financial impact on customers, NPC is seeking to spread collection of its new deferred energy balance over three years, with less to be collected in the first year. A copy of the press release is attached as Exhibit 99.1 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 Press Release issued November 14, 2003 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrants have each duly caused this report to be signed on their behalf by the undersigned, thereunto duly authorized. SIERRA PACIFIC RESOURCES ------------------------ (Registrant) Date: November 17, 2003 By: /s/ John E. Brown --------------------------------- John E. Brown Vice President and Controller NEVADA POWER COMPANY -------------------- (Registrant) Date: November 17, 2003 By: /s/ John E. Brown --------------------------------- John E. Brown Vice President and Controller EXHIBIT INDEX 99.1 - Press Release issued November 14, 2003