Line 5 pipeline
Current understanding
State action and litigation over the Line 5 pipeline under the Straits of Mackinac.
Evidence log
- 2026-07-31 — In Re APPLICATION OF ENBRIDGE ENERGY TO REPLACE AND RELOCATE LINE 5: Michigan Supreme Court ruled in In re Application of Enbridge Energy to Replace and Relocate Line 5 that courts must review agency MEPA determinations de novo and that MEPA analysis must address environmental impacts factually and proximately caused by the proposed conduct along with a fair comparison of alternatives, in consolidated appeals of PSC approval of the Straits tunnel replacement. (novelty: 3)
Open questions
Related
Contributing findings
In Re APPLICATION OF ENBRIDGE ENERGY TO REPLACE AND RELOCATE LINE 5
31-jul-2026
novelty 3
per-area 3
strengthens