Today's Tech News: Notable or Not?

https://techxplore.com/news/2024-10-generator-offshore-renewables.html "extend installation's lifespan... each module can be added, replaced, moved individually without long downtimes... 10 to 15% reduced cost of energy produced, 30 to 40% increased operational life, 50 to 70% reduced lifetime operating and maintenance costs"

https://interestingengineering.com/energy/screw-like-tidal-energy-generator-uk "large Archimedes screw modified by addition of aerofoils increasing torque, greater energy output... screw submerged, bu power generation happens above water in drier conditions... modular, 3D printed before shipping... if broken, modular section removed/ replaced for easy repair... 66 feet long... mounted on floating platforms... lowest energy cost energy generation among all types of energy generation worldwide... 500 kW at 3.5 m/s power output" Related: Australian startup WaveX aims to revolutionise wave energy production https://greenreview.com.au/energy/australian-startup-wavex-aims-to-revolutionise-wave-energy-production/ Wave energy's huge potential could finally be unlocked by the power of sound—new research https://techxplore.com/news/2025-04-energy-huge-potential-power.html WEPTOS wave energy converter https://www.youtube.com/shorts/rBW_a4-kk-M Eco Wave Power installation of floaters...

https://www.cnbc.com/2023/02/21/firm-announces-world-first-as-tidal-power-project-passes-milestone.html "50GWh off Pentland Firth coast, installation area 3600X smaller, capacity factor close to 100%" Related: New cost-effective turbine blade can make tidal energy more affordable https://interestingengineering.com/innovation/new-turbine-blades-tidal-energy-affordable World’s biggest tidal energy ‘kite’ could single-handedly power a small town https://thenextweb.com/news/tidal-energy-kite-minesto  see also: 28-ton, 1.2-megawatt tidal kite is now exporting power to the grid  https://newatlas.com/energy/minesto-tidal-kite/ European project shows potential for significant reduction in tidal energy costs https://www.offshore-energy.biz/european-project-shows-potential-for-significant-reduction-in-tidal-energy-costs/ Proteus Marine Renewables’ AR1100 tidal turbine has a capacity of 1.1 MW https://www.impactlab.com/2025/02/24/japans-renewable-energy-leap-proteus-marine-unve...

https://techxplore.com/news/2022-09-energy-technology-electricity-ocean-cars.html "flexWECs do not concentrate ocean wave energy into a singular energy converter or one power transmission system... avoid accumulating ocean wave forces that could shut off or damage... go with the flow... frames could also enable them to harness energy from a far wider range of ocean locations and wave energy frequencies. "One day, there could be DEEC-Tec-based marine renewable energy farms... powering coastal communities or the utility grid at large" Related:  Tidal stream power can significantly enhance energy security https://techxplore.com/news/2023-02-tidal-stream-power-significantly-energy.html Green Energy Revolution: Brazilian Physicist Invents Smaller and More Efficient Sub-aquatic Turbine https://www.damalion.com/2023/02/12/green-energy-revolution-brazilian-physicist-invents-smaller-and-more-efficient-sub-aquatic-turbine/ Energy company announces world first as its tidal power pr...

https://waterotor.com/our-solution/ "Waterotor’s breakthrough technology converts over 50% of the available energy in flowing water to electricity at speeds as slow as 2.0 mph (0.9 m/s). Waterotor will produce power as low as $0.05 per kW-hour at 5.5 mph (2.46 m/s) and lower than $0.15 at 4 mph (1.78 m/s)...  bringing electricity to more than 2 billion people. Rivers, canals, and major ocean currents such as the Gulf Stream are all venues... Unlike propeller turbines submerged within water flow speeds that must be in excess of 6.5 mph" Related: Blowhole wave energy generator exceeds expectations in 12-month test https://newatlas.com/energy/blowhole-wave-energy-generator Rbust generator made from recycled material to harness wave power https://techxplore.com/news/2022-08-rbust-recycled-material-harness-power.html This Startup Is Building Generators That Can Power Up to 500 Homes Using Only Ocean Waves https://www.democratizing.finance/post/this-startup-is-building-generators-t...