Renewable Energy
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Wind Catching Systems has received an important tick of approval for its enormous 40-megawatt Windcatcher offshore floating wind turbine array, as it prepares to build a full size demonstrator project off the Norwegian coast.
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According to the US Energy Information Administration, in the five years from 2019 to 2024, in March and April specifically, electricity production using wind power has almost doubled, significantly outdoing generation from coal-fired power plants.
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Two 650-foot-tall towers have risen in China's Gansu Province. Combined with an array of 30,000 mirrors arranged in concentric circles, the new facility is expected to generate over 1.8 billion kilowatt-hours of electricity every year.
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Perovskite materials are poised to take on the reigning champion of solar, silicon, but their stability is holding them back. Now, scientists in China have developed a new type of hybrid perovskite that boasts a very good efficiency over a long life.
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These remarkable modular wind turbines stack themselves up section by section, removing the need for gigantic cranes and promising to slash the cost of offshore wind installation by as much as half. New investment has kicked off the first project.
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A new offshore wind farm system that promises faster, cheaper installation and operations will be tested in the Mediterranean. Called the NextFloat+ Project, it received a €13.4-million (US$14.4-million) grant from the European Commission.
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One of the world's largest engines becomes a clean generator. Originally designed to burn diesel, dual-fuel, or gasoline for tankers and container ships, the Wärtsilä 31 marine engine gets a new life generating clean, renewable electricity.
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Since revealing an wind turbine wall concept back in 2021, Joe Doucet has been working on bringing the idea to life. That time is here with the launch of Airiva, a modular rotary wind turbine wall destined for installation on city infrastructure.
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Water can hold a huge amount of thermal energy, and a new system to tap into this is being trialed in Scotland. A startup called SeaWarm uses heat stored in bodies of water for buildings, pulling four times more heat out than electricity used.
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The designer of the world's tallest building, SOM, has joined forces with Energy Vault Holdings to investigate the possibility of creating huge skyscrapers that would function as gigantic gravity based energy storage systems.
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A new heat-to-energy converter has reached a record efficiency of 44% – the average steam turbine manages about 35%, for comparison. This thermophotovoltaic cell is a major step on the way to sustainable, grid-scale renewable energy storage.
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It's rarely great news when an area gets blanketed in volcanic ash – but University of Barcelona researchers have discovered it has a rare combination of useful properties, which make it remarkably useful as an energy storage medium.
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