Aeromine: a bladeless rooftop wind unit built to work alongside solar
Warehouses and factories have huge flat roofs, and solar panels cover many of them, but solar goes quiet in the evenings and in winter.
Wind energy
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6UN goals
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Kitepower Hawk: a Dutch kite that charges batteries on off-grid building sites
Construction sites, farms and islands still burn diesel because the grid is full, far away or not there at all.
Siemens Gamesa RecyclableBlade: offshore wind blades designed to come apart at end of life
Wind turbines are mostly steel, copper and concrete that can already be recycled, but their giant composite blades have usually been cut up and buried or burned.
Suzlon S144: India's flagship low-wind turbine passes 10 GW of orders
Much of India's remaining wind potential sits at sites with only moderate wind, where older turbines struggled to pay their way.
Vestas V236-15.0 MW: Europe's flagship offshore turbine reaches commercial scale
Offshore wind is Europe's biggest bet for clean, home-grown power, and fewer, larger turbines make it cheaper to build and run.