UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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~~March 2817, 2011

Cloud Peak Energy Resources LLC

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or Other Jurisdiction of Incorporation)

001-34547		26-4073917
(Commission File Number)		(IRS Employer Identification No.)

505 S. Gillette Ave.
Gillette, WY		82716
(Address of Principal Executive Offices)		(Zip Code)

(307) 687-6000

(Registrant’s Telephone Number, Including Area Code)

(Former Name or Former Address, 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 (see General Instruction A.2. below):

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

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

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))

Item 75.0102 ~~Regulation~~Departure FDof ~~Disclosure.~~Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On ~~February~~March 2817, 2011, ~~Colin~~Cloud ~~Marshall,~~Peak ~~President~~Energy ~~and~~Resources ~~Chief~~LLC ~~Executive~~(“CPE ~~Officer~~LLC”), a wholly owned subsidiary of Cloud Peak Energy Inc., ~~the~~(“CPE ~~sole~~Inc.”), ~~managing~~adopted ~~member~~and ofapproved the Cloud Peak Energy Resources LLC, ~~will~~Nonqualified ~~speak~~Deferred atCompensation Plan (the ~~BMO~~“Plan”). ~~Capital~~The ~~Markets~~Plan ~~Global~~is ~~Metals~~an &unfunded, ~~Mining~~nonqualified ~~Conference~~deferred compensation program sponsored by CPE LLC to provide senior executives and other highly compensated employees of CPE LLC, CPE Inc. Mrand their affiliated entities the opportunity to defer compensation into the Plan. The ~~Marshall’s~~effective ~~written~~date ~~presentation~~of isthe ~~furnished~~Plan asis ~~Exhibit~~March 9918, 2011.1 Participants may defer up to ~~this~~80% ~~Form 8-K~~of their annual base salary and ~~incorporated~~up ~~herein~~to by100% ~~reference~~of any performance or year-end bonus into the Plan. A ~~copy~~CPE LLC will make matching and profit sharing contributions on behalf of each participant as provided by the ~~slides~~Plan. ~~will~~In ~~also~~addition, CPE LLC may make additional discretionary contributions to be ~~available~~credited atto ~~www~~the account of any or all participants in the Plan.~~cloudpeakenergy.com/investor-relations/webcasts-and-presentations. The~~ ~~Cloud~~Under ~~Peak~~the ~~Energy~~terms ~~website~~of isthe ~~not~~Plan, ~~intended~~CPE toLLC ~~function~~may establish a “rabbi” trust as a ~~hyperlink,~~reserve for the benefits payable under the Plan. Distributions from the Plan are governed by the Internal Revenue Code and the ~~information~~Plan. Participation ~~contained~~in onthe ~~such~~Plan ~~website~~by isexecutive ~~not~~officers aof ~~part~~CPE Inc. has been approved by the Compensation Committee of ~~this~~the ~~Form 8-K~~Board of Directors of CPE Inc.

OnThis ~~February~~summary ~~28,~~of ~~2011,~~the ~~Cloud~~Plan ~~Peak~~does ~~Energy~~not ~~Inc.,~~purport ~~posted~~to ~~investor~~be ~~slides,~~complete ~~dated~~and ~~February~~is ~~2011,~~qualified onin ~~the~~its ~~Investor~~entirety ~~Relations~~by ~~section~~reference ofto ~~www.cloudpeakenergy.com. These~~the ~~slides~~Plan, ~~are~~which ~~furnished~~is attached as Exhibit 9910.21 to this Form 8-K and incorporated ~~herein~~ by reference~~. The~~ ~~Cloud~~in ~~Peak Energy website is not intended to function as a hyperlink, and the information contained on such website is not a part of~~ this ~~Form 8-K~~Item 5.02.

Item 9.01

Financial Statements and Exhibits

(d) Exhibits. The following ~~exhibits~~exhibit ~~are~~is being ~~furnished~~filed herewith.

99.1		Furnished Slides from the BMO Capital Markets Global Metals & Mining Conference
99.2		Furnished February 2011 Investor Slides

10.1

Cloud Peak Energy Resources LLC Nonqualified Deferred Compensation Plan

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	CLOUD PEAK ENERGY RESOURCES LLC
	By:	/s/ Amy J. Stefonick
		Name:	Amy J. Stefonick
		Title:	Corporate Secretary
Date: February 28, 2011
Date: March 22, 2011

EXHIBIT INDEX

Exhibit No.		Description
99.1		Furnished Slides from the BMO Capital Markets Global Metals & Mining Conference
10.1		Cloud Peak Energy Resources LLC Nonqualified Deferred Compensation Plan
99.2		Furnished February 2011 Investor Slides

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