World’s most powerful tidal turbine prepares for first dip into US waters
🔹 Orbital Marine, a renewable energy company focused on deploying its pioneering floating tidal turbine, has been confirmed as the technology partner for Orcas Power & Light Cooperative’s (OPALCO) proposed site off Blakely Island in Rosario Strait, Washington State.
🔹 OPALCO was one of the two firms the Water Power Technologies Office selected under DOE to explore tidal energy development in the US. The team will work with stakeholders, conduct technical feasibility studies, and start preliminary permitting procedures over the next ten months.
🔹 OPALCO has already completed the grant-funded preliminary study, which included environmental impact assessments, interactions with regulatory bodies and tribes, and tidal flow studies
🔹 Orbital already operates the O2 tidal turbine, which can generate a substantial amount of power and help supply electricity to thousands of households in the UK. A single O2 unit equipped with two turbines can generate almost 2 megawatts of power and provide electricity to more than 2,000 UK households annually.
🔹 The entire steel rig of an O2 tidal turbine is constructed using techniques that help reduce costs and make the turbine more adaptable to mass production. Additionally, its design enables the draft of the unit to be lowered to less than 9.8 feet (3 meters), making it easier to transport and install with reasonably sized workboats.
🔹 In addition, the turbine has been designed with retractable legs that resemble “gull wings” to facilitate maintenance and repair. These legs have been specially constructed to lift the nacelles, pitch hubs, and blades out of the water, making it easier to fix any issues that may arise.
🔹 Each turbine can rotate 360 degrees and has a rotor diameter of 64 feet (20 meters), which is the largest combined rotor area on a single tidal-producing platform to date, measuring 600 m2 (1.969 square feet).
🔹 This unique feature enables the turbine to produce power without changing direction when the tides change completely. Moreover, it allows the rotors to be adjusted dynamically and safely to gather power from different tidal directions without yawing the entire platform.
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Semi Retired at Electrician at Home, so lots of different thing
1moI am still asking those that know, your GC is doing 900 complete systems! Connecting power, control and surely building several substations! Even transmission lines and a grid connect! So what is the total cost purchase, shipping, cranes and everything else? Even divide it by 900 so we little people can get an idea of what the cost of 3,500 megawatts of grid power cost! I am trying to be realistic with how much it actually cost for that much free electricity