New Scottish blade a 'step change' for tidal energy industry

The design engineers, from the University of Edinburgh, say the new structure reduces the amount of materials necessary - bringing down the weight, volume and, crucially, the cost of manufacturing the blade.

Waterotor Unveils "The Big Cajun," a 20MW Hybrid Ocean Energy-Generating System

The 20-megawatt Big Cajun is the first hybrid ocean system that simultaneously extracts energy from slow-moving water and wind. This worldwide, patented technology utilizes unique rotor stacks in any water speed and conventional wind turbines to extract power.

Turning the Tide for Renewables in Alaska

NREL Tidal Research Reveals Opportunities for Rebuilding Alaska's Economy with Renewable Energy

Two million VOLT sparks Scottish tidal energy scale up

TIDAL energy leader Nova Innovation has been awarded a £2 million cash injection from the Scottish Government to advance tidal turbine manufacturing to a global level.

Futureproofing Tidal Power - How Technology Can Help Tidal Power to Realise Its Potential

Protecting submerged turbines from their marine co-habitants isn't the only step tidal power plants should take. Sudden changes in water flow can be equally challenging for tidal turbines.

The Future of Offshore Renewable Energy

While offshore wind has come the farthest and gets the most attention, there are other offshore generation resources that may start making waves in the near future too.

Boosting Tidal Power

NauticExpo: Developed by Netherlands-based Water2Energy, a vertical axis water turbine (VAWT) with an innovative pitch control system is proving from 30% to 50% more efficient than traditional systems.

Innovative tidal technology gets $4.6 million funding

Anmar Frangoul for CNBC:  The European Commission has awarded 4.4 million euros ($4.63 million) in funding to a European tidal energy consortium to demonstrate innovative technology for tidal turbines. The consortium, led by Scotland's Nova Innovation, will use the funding to demo and show a "direct drive power take-off (PTO) solution" for tidal turbines. According to Nova Innovation, this technology could help to cut the lifetime cost of tidal power by 20 percent. The project will be known as TiPA (standing for Tidal turbine Power take-off Accelerator) and run for 36 months. Organizations involved in the project include Siemens, the University of Edinburgh, and Delft Technical University, among others.   Cont'd...

First Tidal Energy Turbine with Lockheed Martin Technology Deployed Off Scotland Coast

Under contract and in partnership with Atlantis, Lockheed Martin designed the 1.5 megawatt AR1500 turbine. In addition to system design, Lockheed Martin developed, manufactured and delivered two innovative subsystems, the Yaw Drive System (YDS) and the Variable Pitch System (VPS). The two elements enable the turbine to rotate autonomously around its base, so it always faces into the tidal flow. The pitch angle of the turbine blades also adjusts to optimize the power generation in a given tidal stream.

Tidal Power Can Make the U.K. a Green Energy Leader

Mark Gilbert for Bloomberg:  The U.K. government is mulling whether to support a 1.3 billion pound  ($1.6 billion) proposal to build a tidal lagoon in South Wales. It should stop dithering and subsidize the project to help meet the country's green energy goals, produce cheaper power, and establish Britain as the world leader in technology that harnesses the power of the tides to generate electricity. The U.K. lost its energy independence in 2004, and now depends upon imports to meet about half of its energy needs. And while the contribution from renewable energy sources has climbed to a bit less than 10 percent from about 1 percent at the start of the last decade, the U.K. commitment to reduce carbon emissions to 57 percent of their 1990 levels by 2030 means even less electricity needs to come from coal-fired power plants.   Cont'd...

The First Tidal Generator in North America Is Now Online

Avery Thompson for Popular Mechanics:  The first tidal generator in North America has gone online this month in the Bay of Fundy, and is expected to generate enough electricity to power 500 homes. While most hydro generators harness the energy of falling water, or the energy of the waves, tidal power uses the energy of the high and low tides. At the Bay of Fundy in Nova Scotia, which has the largest tides in the world, that energy is being harnessed to generate 2 megawatts of electrical power. In the Bay of Fundy, the difference between high and low tide is about 56 feet. Approximately 115 billion tons of water flow in and out of the bay every tidal period. Two renewable energy developers, OpenHydro and Emera, decided to build turbines on the seafloor that could harness that power.   Cont'd...

Minesto's tidal energy technology awarded as most promising in the industry

On Tuesday evening, in a global competition of the most prominent players in the industry, leading tidal energy developer Minesto won the award for the Most Promising Turbine Concept at the International Tidal Energy Summit in London.

Tidal demonstrator to be built by HydroQuest and the CMN group

Implemented with support from the University of Caen Normandie, this project involves installing an ocean-based 1 MW hydrokinetic tidal turbine at the Paimpol-Brhat site, as part of an agreement with EDF, from the second half of 2017.

PTEC PARTNERS WITH WORLD-LEADING AND STATE-OF-THE-ART TIDAL TURBINE MANUFACTURERS

The 30MW project, to be created off the Isle of Wight, will allow long-term operation of SCHOTTEL HYDRO and TOCARDO turbine arrays, simultaneously optimising their performance and delivering reliable electricity to the grid. PTEC is also expected to create and safeguard hundreds of jobs and attract significant investment into the local economy, building on the success of the existing British marine and offshore wind sectors.

New milestone in Australian tidal energy

In an important step for this emerging form of renewable energy, a tidal energy turbine has been installed in the Tamar estuary in Launceston, Tasmania, as part of a project to investigate and optimise the device's performance.

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