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Table of Contents

Table of Contents

Table of Contents

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) May 9, 2006

None

(Former name, former address and former fiscal year, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


o		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


o		Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12(b))


o		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


o		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS


	Item 8.01 — Other Events
	Item 9.01 — Financial Statements and Exhibits
Signatures
EX-99.1 Press Release dated May 9, 2006

Item 8.01 — Other Events

Nevada Power Company, a wholly-owned subsidiary of Sierra Pacific Resources, announced that on May 9, 2006, it priced a private offering of $250 million principal amount of its 6.50% General and Refunding Mortgage Notes, Series O, due 2018. The notes are expected to be delivered on or about May 12, 2006. The notes will be secured by the lien of the Company’s General and Refunding Mortgage Indenture, which constitutes a lien on substantially all of the Company’s real property and tangible personal property located in the State of Nevada. A copy of the press release is filed as Exhibit 99.1 hereto.

The offering was made only to qualified institutional buyers in accordance with Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”), and outside the United States in compliance with Regulation S under the Securities Act. The notes will not be registered under the Securities Act and may not be offered or sold by holders thereof without registration unless an exemption from such registration is available.

Item 9.01 — Financial Statements and Exhibits

99.1 Press release dated May 9, 2006

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: May 9, 2006	By:	/s/ John. E. Brown
		John E. Brown
		Controller


	Nevada Power Company (Registrant)
Date: May 9, 2006	By:	/s/ John. E. Brown
		John E. Brown
		Controller

Commission
File Number

Registrant, Address of Principal Executive Offices
and Telephone Number

I.R.S. employer Identification Number

State of
Incorporation

SIERRA PACIFIC RESOURCES
P. O. Box 10100 (6100 Neil Road)
Reno, Nevada 89520-0400 (89511)
(775) 834-4011

NEVADA POWER COMPANY
6226 West Sahara Avenue
Las Vegas, Nevada 89146
(702) 367-5000