During its early research, the PUD focused on Admiralty Inlet and Deception Pass.

Click on the graphic above to view a map of the proposed tidal sites
- Deception Pass, North Whidbey Island – 3 average-megawatts; FERC Project # P-12687
- Admiralty Inlet, East of Port Townsend – 29.3 to 75.3 average-megawatts; FERC Project # P-12690