Exhibit 3.13.1

CERTIFICATE OF AMENDMENT

OF

U.S. Propane, L.L.C.

1. The name of the limited liability company is U.S. Propane, L.L.C.

2. The Certificate of Formation of the limited liability company is hereby amended as follows:

The name of the limited liability company is Energy Transfer Partners, L.L.C.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Amendment of U.S. Propane, L.L.C. this 25^th day of February, 2005.

/s/ Kelcy Warren

Kelcy Warren

        Authorized Person