The federal government leases tracts on the Outer Continental Shelf for oil and gas development under five-year leasing plans set by the Interior Department. The Gulf of Mexico accounts for the bulk of U.S. offshore production; Atlantic, Pacific, and Arctic waters have seen far less recent leasing.
The 2010 Deepwater Horizon disaster killed 11 workers and produced the largest marine oil spill in U.S. history, prompting regulatory reforms. Administrations have varied sharply: some have proposed major leasing expansions including in Atlantic and Pacific waters; others have narrowed lease sales to the smallest in decades. The Inflation Reduction Act tied new offshore wind leasing to continued offshore oil and gas leasing.
Coastal-state politics often diverge from national politics, with both Republican and Democratic governors at times opposing offshore leasing on tourism and fisheries grounds.