World’s First Floating Wind Farm
Giant turbine are being stationed 15 miles off Peterhead, the north-east coast of Scotland, giving rise to a floating wind farm, says BBC News on July 23, 2017.
The Peterhead wind farm called Hywind, will is expected to power around 20,000 homes. This project is set up to harvest wind power in waters that are too deep for the conventional turbines to generate power. This will be advantageous to Japan and the west coast of the US, where waters are deep.
So far, only one giant turbine has been towed into place, while four more will soon be stationed. Turbines are mostly very expensive, however, these floating wind turbines would cost lesser.
Each tower, measures 175m in height and weighs 11,500 tons. Each blade is 75m long. The turbines can operate up to a depth of one kilometer into the water. The blades are innovatively designed to hold the tower upright by its twisting to dampen motions from the wind, waves and currents.
The crew who towed the turbines attached thick cables to tug boats and used remote-controlled submarines to check for obstacles. The turbine that is already moved, is floating on a sealed vase-like tube at a depth 78m. The bottom is filled with iron ore so as to weight the base and keeping it upright in the water.
The price of energy from offshore wind farms has fallen by 32% since 2012. This drop in price is four years ahead that the government’s target, making offshore wind more affordable than the new nuclear power.
The bird charity RSPB Scotland opposed this project as there are already many offshore turbines in the area and it fears the death of thousands of sea birds due to this.
The Intergovernmental Panel on Climate Change (IPCC) say that the government needs to increase its investments in new technologies to keep with its promises on reducing emissions.
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