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Proposed and Current Tidal Power Locations

Dynamic tidal power (DTP) is the only technology that can almost universally be applied anywhere there is ocean water, but the technology is unproven. Other systems, like tidal barrage, tidal lagoon, and tidal stream generators are not so universal as they rely on either tides that reach an adequate height to generate enough pressure to spin a turbine or on tides that move swiftly enough to spin a propeller of some sort. The result of this situation is that, until DTP is fully tested and vetted, the choice of location for tidal power is limited.


  • China
    • Hangzhou
  • India
    • Gujarat
  • South Korea
    • Sihwa Lake
    • Jindo Uldolmok


  • Wales
    • Severn Estuary
  • France
    • La Rance
  • Northern Ireland
    • Strangford Lough
  • Scotland
    • Islay

North America

  • Canada
    • New Brunswick
    • Annapolis, Nova Scotia
    • Race Rocks, Vancouver Island
  • United States
    • Maine
    • New York
    • Oregon
    • Florida

Choosing a Location

Like any type of renewable energy, choosing where to build a tidal power facility is based on environmental conditions. Just like you wouldn’t have the best outcome from solar panels built in cloudy Michigan, building tidal schemes in places with low tidal rises doesn’t make much sense. Fortunately, the oceans are quite large and there are number of potential tidal hotspots throughout the world. The table below outlines the locations and their power generation potential.

Western Horn  
The Gulfs of Kutch and Khambhat offer more than 250 MW
Estimated 305 GWh/year
Targeting 2 MW in 2011
Tidal stream generators could produce upwards of 500 MW
Estimated at 45 GW in total, or the equivalent of forty-five nuclear reactors (Japan currently has nearly 60 reactors)
The Kola Bay has an estimated 100 GW potential. A plant on the Barents Sea could generate upwards of 200 TWh/year
Southern Coast  
Northern /Western Coast  
King Sound has tides over 10m. Identified 3 GW near Derby
New Zealand  
United Kingdom  
An estimated 18 TWh/y with 40% of this in Pentland Firth and the Orkeny Islands of Scotland. The Severn Estuary has been estimated to provide as much as 8 GW of energy or 10% of the UK’s need.
Northern Ireland  
Strangford Lough
The Channel Islands
The inlet to the Mediterranean Sea
  North America
The Bay of Fundy and the St. Lawrence River have some of the highest tidal ranges in the world at nearly 15 meters. British Columbia offers excellent tidal stream potential.
United States  


East Coast (Maine to North Carolina)

East Coast (South Carolina to Florida)

Gulf of Mexico
1,300 TWh/year

600 TWh/year

200 TWh/year

40 TWh/year

80 TWh/year
  South America
500 MW
150 kW/m of coast