- Canada's Race Rocks site, where a single turbine generator converts 65 kW of energy, cost $4,000,000
- France's La Rance tidal barrage had an initial cost of about $66 million
- Its capital cost should be less than €530,000 (~$700,000 USD) per MegaWatt ( 1 millions watts)
- Canada's Race Rocks site, cost $4,000,000.
- Consumers may pay at most 23 cents per kwWh