Exhibit 21.1

ENBRIDGE ENERGY PARTNERS, L.P.
Subsidiaries of the Registrant

|Company Name                                     |  | State of Incorporation/
Formation/Organization
|------------------------------------------------ |  | ----------------------------------------------
|Dufour Petroleum, L.P.                           |  | Delaware                                      
|Enbridge Energy, Limited Partnership             |  | Delaware                                      
|Enbridge G & P (North Texas) L.P.                |  | Texas                                         
|Enbridge Gathering (North Texas) L.P.            |  | Texas                                         
|Enbridge Gathering (Texarkana) L.P.              |  | Delaware                                      
|Enbridge Holdings (Texas Systems) L.L.C.         |  | Delaware                                      
|Enbridge Liquids Marketing (North Texas) L.P.    |  | Delaware                                      
|Enbridge Marketing (East Texas) L.P.             |  | Delaware                                      
|Enbridge Marketing (North Texas) L.P.            |  | Delaware                                      
|Enbridge Marketing (U.S.) L.L.C.                 |  | Delaware                                      
|Enbridge Marketing (U.S.) L.P.                   |  | Texas                                         
|Enbridge Midcoast Energy, L.P.                   |  | Texas                                         
|Enbridge Midcoast Holdings, L.L.C.               |  | Delaware                                      
|Enbridge Midcoast Limited Holdings, L.L.C.       |  | Delaware                                      
|Enbridge Offshore Pipelines (Seacrest) L.P.      |  | Texas                                         
|Enbridge Offshore Pipelines (UTOS) LLC           |  | Delaware                                      
|Enbridge Partners Risk Management, L.P.          |  | Delaware                                      
|Enbridge Pipelines (Alabama Gathering) L.L.C.    |  | Alabama                                       
|Enbridge Pipelines (Alabama Intrastate) L.L.C.   |  | Alabama                                       
|Enbridge Pipelines (AlaTenn) L.L.C.              |  | Alabama                                       
|Enbridge Pipelines (Bamagas Intrastate) L.L.C.   |  | Delaware                                      
|Enbridge Pipelines (East Texas) L.P.             |  | Delaware                                      
|Enbridge Pipelines (Lakehead) L.L.C.             |  | Delaware                                      
|Enbridge Pipelines (Louisiana Intrastate) L.L.C. |  | Delaware                                      
|Enbridge Pipelines (Louisiana Liquids) L.L.C.    |  | Delaware                                      
|Enbridge Pipelines (Midla) L.L.C.                |  | Delaware                                      
|Enbridge Pipelines (NE Texas) L.P.               |  | Delaware                                      
|Enbridge Pipelines (NE Texas Liquids) L.P.       |  | Delaware                                      
|Enbridge Pipelines (North Dakota) LLC            |  | Delaware                                      
|Enbridge Pipelines (North Texas) L.P.            |  | Texas                                         
|Enbridge Pipelines (Ozark) L.L.C.                |  | Delaware                                      
|Enbridge Pipelines (SIGCO Intrastate) L.L.C.     |  | Delaware                                      
|Enbridge Pipelines (Tennessee River) L.L.C.      |  | Alabama                                       
|Enbridge Pipelines (Texas Gathering) L.P.        |  | Delaware                                      
|Enbridge Pipelines (Texas Intrastate) L.P.       |  | Texas                                         
|Enbridge Pipelines (Wisconsin) Inc.              |  | Wisconsin                                     
|Enbridge Processing (Mississippi) L.L.C.         |  | Delaware                                      
|H&W Pipeline, L.L.C.                             |  | Alabama                                       
|Mid Louisiana Gas Transmission, L.L.C.           |  | Delaware                                      
|Midcoast Holdings No. One, L.L.C.                |  | Delaware                                      
|Nugget Drilling Corporation                      |  | Minnesota                                     
|Tri-State Holdings, LLC                          |  | Michigan                                      

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