Tidal Energy

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Tide Sustainable Energy - Without The Hot Air

c. 250GW raw energy
"If we imagine extracting 10% of this incident energy, and if the conversion and transmission processes are 50% efficient, the average power delivered would be 5 kWh per day per person."

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Tidal developments power forward Gail Rajgor; Renewable Energy Focus; 17 Mar 2016

If it can be made to work at scale and cost-effectively the predictability of tidal power gives it a significant advantage over wind and solar PV technologies. Gail Rajgor takes a look at the latest project developments in the sector.

Sihwa Lake Tidal Power Station Wikipedia

South Korea, 254MW

Rance Tidal Power Station Wikipedia

Brittany, peak output at 240 megawatts and average 57 megawatts, a capacity factor of approximately 24%.
The power density is of the order of 2.6 W / m². The cost of electricity production is estimated at 12 eurocents of kWh.

Bay of Fundy to get tidal power turbine next month The Star; 19 May 2016

“Our project aims to deploy two two-megawatt hydro devices at the Fundy Ocean Research Centre for Energy (FORCE) site, just west of Parrsboro, and we’re aiming to put both of those turbines in the water this year”. The turbine ... is 16-metres in diameter and weighs 1,000 tonnes

The Tide Is Turning for a New Source of Green Energy Taylor Hill; Take Part; 1 Sep 2016

... two 100-kilowatt turbines have been installed in the turbulent tidal stream of Bluemull Sound off the Shetland Islands—an archipelago about 120 miles north of mainland United Kingdom, where the North Sea meets the Atlantic Ocean. Nova is planning to construct five turbines in the region, providing power to residents and businesses on the Shetland Islands.
0.5 megawatts expected to come online from the underwater turbines
$3.9 million Shetland tidal project