Improvements make Alstom's new Oceade tidal stream turbine more efficient, cost-effective and easier to maintain that its previous models, the French manufacturer said. The units, called the "Oceade 18-1.4 MW," have a rotor diameter of 18 m and three variable pitch blades. Alstom said the internal components are easily accessible through a rear inspection hatch, making assembly and maintenance faster than before. The turbines are also buoyant, making them easy to tow to and from operating sites without specialized vessels. "With this new tidal energy production solution, Alstom has made definite headway," Alstom New Energies Senior Vice President Jacques Jamart said. "The project is seeking to demonstrate a new design for an efficient, reliable turbine to reduce installation and maintenance costs with a view to commercial production."
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