As filed with the Securities and Exchange Commission on April 14, 2010

Registration No. 333-146822

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________

POST EFFECTIVE AMENDMENT NO. 2

TO

Form S-8

REGISTRATION STATEMENT

UNDER THE SECURITIES ACT OF 1933

_______________

NV Energy, Inc.

(Exact name of registrant as specified in its charter)

_______________

NEVADA

(State or other jurisdiction of incorporation or organization)

_______________

88-0198358

(I.R.S. Employer Identification No.)

_______________

6226 West Sahara Avenue

Las Vegas, Nevada 89146

(702) 402-5000

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

_______________

NV Energy, Inc. Amended and Restated Employee Stock Purchase Plan

NV Energy, Inc. 2003 Non-Employee Director Stock Plan

NV Energy, Inc. Executive Long-Term Incentive Plan

 (Full title of the plan)

_______________

Paul J. Kaleta, Esq.

Senior Vice President, General Counsel and Shared Services, Corporate Secretary

NV Energy, Inc.

6226 West Sahara Drive

Las Vegas, Nevada 89146

(702) 402-5000

(Name, address, including zip code, and telephone number, including area code, of agent for service)

With a copy to:

James A. McDaniel, Esq.

Choate, Hall & Stewart LLP

Two International Place

Boston, Massachusetts 02110

(617) 248-5000

EXPLANATORY STATEMENT

NV Energy, Inc. is filing this Post-Effective Amendment No. 2 to its Registration Statement on Form S-8 (No. 333-146822) to update Exhibit 99.1 (NV Energy, Inc. Amended and Restated Employee Stock Purchase Plan), in Part II, Item 8 of this Registration Statement.

Part II

INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 8.                      Exhibits

 See Index to Exhibits preceding the Exhibits included as part of this registration statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No. 2 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Las Vegas, State of Nevada, on April 14, 2010.

NV ENERGY, INC.

By: /s/ E. Kevin Bethel

E. Kevin Bethel

Interim Chief Financial Officer and Treasurer

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated:

Signature	Title	Date
/s/ *	Director, Chief Executive Officer	April 14, 2010
Michael W. Yackira	and President (Principal Executive
	Officer)
/s/ E. Kevin Bethel	Chief Accounting Officer	April 14, 2010
E. Kevin Bethel	(Principal Accounting Officer)
	Interim Chief Financial Officer
	(Principal Financial Officer)

Signature	Title	Date
/s/ *	Chairman of the Board	April 14, 2010
Philip G. Satre
	Director
Joseph B. Anderson, Jr.
/s/ *	Director	April 14, 2010
Glenn C. Christenson
	Director
Susan F. Clark
/s/ *	Director	April 14, 2010
Theodore J. Day
	Director
Stephen F. Frank
/s/ *	Director	April 14, 2010
Brian J. Kennedy
	Director
Maureen T. Mullarkey
/s/ *	Director	April 14, 2010
John F. O’Reilly
/s/ *	Director	April 14, 2010
Donald D. Snyder
/s/ Paul J. Kaleta	Attorney –In-Fact	April 14, 2010
Paul J. Kaleta

INDEX TO EXHIBITS

Exhibit Number	Description
4.1	Restated and Amended Articles of Incorporation of NV Energy, Inc., dated May 1, 2009 (filed as Exhibit 3.1 to Form 10-Q for quarter ended June 30, 2009)
4.2	By-laws of NV Energy, Inc., as amended through May 1, 2009 (filed as Exhibit 3.1 to Form 10-Q for quarter ended June 30, 2009)
5.1	Opinion of Choate, Hall & Stewart LLP (filed as Exhibit 5.1 to Form S-8 dated October 19, 2007)
5.2	Opinion of Woodburn and Wedge (filed as Exhibit 5.2 to Form S-8 dated October 19, 2007)
23.1	Consent of Deloitte & Touche LLP (filed as Exhibit 23.1 to Form S-8 dated October 19, 2007)
23.2	Consent of Choate, Hall & Stewart LLP (filed as Exhibit 23.2 to Form S-8 dated October 19, 2007)
23.3	Consent of Woodburn & Wedge (filed as Exhibit 23.3 to Form S-8 dated October 19, 2007)
24.1	Powers of Attorney (filed as Exhibit 24.1 to Form S-8 dated October 19, 2007)
*99.1	NV Energy, Inc. Amended and Restated Employee Stock Purchase Plan
99.2	NV Energy, Inc. 2003 Non-Employee Director Plan, as amended (filed as Exhibit 99.2 to Form S-8 dated October 19, 2007)
99.3	NV Energy, Inc. 2004 Executive Long-Term Incentive Plan (filed as Appendix A to 2004 Proxy Statement)

*  Filed herewith.