| Chicap Pipeline* | Enbridge Inc. (43.8%) | 205 | Patoka, Ill. to Chicago, Ill. | 360,000 |
|
| Frontier Pipeline*** | Enbridge Inc. (77.8%) | 289 | Salt Lake City, Utah to Casper, Wyo. | 62,200 |
 | Lakehead System (U.S. Mainline) | Enbridge Energy Partners, L.P. | 1,900
Mainline Configuration & Capacities | Neche, N.D. to Chicago, Ill. plus extension into Buffalo, N.Y. | 2,500,000 (combination with Canadian mainline) |
|
| Louisiana Liquids Pipeline | Enbridge Energy Partners, L.P. | 42 | Chalmette, La. to Bayou Perot, La. | 20,000 |
|
| Mustang Pipeline** | Enbridge Inc. (30%) | 215 | Chicago, Ill. to Patoka, Ill. | 100,000 |
|
| North Dakota System | Enbridge Energy Partners, L.P. | 970 | Plentywood, Mont. to Clearbrook, Minn. | 210,000 |
|
| Olympic Pipeline* | Enbridge Inc. (85%) | 289 | Blaine, Wash. to Portland, Ore. | 290,000 |
|
| Ozark Pipeline | Enbridge Energy Partners, L.P. | 435 | Cushing, Okla. to Wood River, Ill. | 215,000 |
| Southern Lights Pipeline | Enbridge Inc. | 647 | Manhattan, Ill. to Edmonton, Alberta | 180,000 |
|
| Spearhead Pipeline | Enbridge Inc. | 650 | Flanagan, Ill. to Cushing, Okla. | 193,300 |
|
| Tinsley Pipeline | Enbridge Energy Partners, L.P. | 39 | Tinsley, Miss. to Mayersville, Miss. | 12,400 |
|
| Toledo Pipeline | Enbridge Inc. | 88 | Stockbridge, Mich. To Oregon, Ohio | 100,000 |