As filed with the Securities and Exchange Commission on March 20, 2007

Registration No. 333-          

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form S-1

REGISTRATION STATEMENT

UNDER THE SECURITIES ACT OF 1933

CHENIERE ENERGY PARTNERS, L.P.

(Exact name of registrant as specified in its charter)

717 Texas Avenue, Suite 3100

Houston, Texas 77002

(713) 659-1361

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

Don A. Turkleson

Chief Financial Officer

717 Texas Avenue, Suite 3100

Houston, Texas 77002

(713) 659-1361

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

Copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after this Registration Statement becomes effective.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box.    ¨

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    þ 333-139572

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    ¨

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    ¨

CALCULATION OF REGISTRATION FEE

The Registration Statement shall become effective upon filing with the Securities and Exchange Commission, in accordance with Rule 462(b) under the Securities Act of 1933, as amended.

EXPLANATORY NOTE

This registration statement relates to the registrant’s Registration Statement on Form S-1 (Registration No. 333-139572) filed with the Securities and Exchange Commission (the “Commission”) on December 21, 2006, as amended, which covers up to 14,375,000 Common Units representing limited partner interests in the registrant and was declared effective by the Commission on March 20, 2007 (as amended, the “Prior Registration Statement”). This registration statement is being filed pursuant to Rule 462(b) and General Instruction V of Form S-1, both as promulgated under the Securities Act of 1933, as amended, to cover up to an additional 1,150,000 Common Units. The contents of the Prior Registration Statement are incorporated by reference into, and shall be deemed part of, this registration statement.

PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 16. Exhibit and Financial Statement Schedules

All exhibits filed with or incorporated by reference into the Prior Registration Statement are incorporated by reference into, and shall be deemed to be a part of, this registration statement. In addition, the following exhibits are filed herewith:

(a) The following documents are filed as exhibits to this registration statement.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Houston, State of Texas, on March 20, 2007.

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

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EXHIBIT INDEX