This roof is hiding a secret: sleek new wind turbines you can barely see

"Founder Erika Boeing, a mechanical engineer, started considering the idea while she was on a Fulbright Scholarship in the Netherlands. One night, while sitting in a brewery, she looked at the buildings across the street and suddenly had the thought that wind could be harnessed on roofs. "I went home, and when I did the math, I realized that there's actually a ton of power right at the edge of the roof," she says."

"A handful of other startups have also designed rooftop wind turbines. But Accelerate Wind added something new-a patented airfoil that hangs over the edge of the building to maximize the speed of the wind hitting the turbines. Without it, you'd need tall turbines to generate much power. "We're able to capture more power lower to the ground, because we have a spoiler that lets us really use all the wind that's accelerated by the building," Boeing says."

Accelerate Wind developed rooftop-edge wind turbines that use a patented overhanging airfoil to accelerate wind and increase turbine output without tall towers. The design exploits increased wind speeds at building edges where airflow accelerates over a sharp roof edge. The system can be installed on large flat roofs such as warehouses and big-box stores, adding about 25% more generation when paired with rooftop solar. Company analysis using AI indicates roughly 375,000 suitable buildings in the U.S., accommodating about 2 million turbines and potentially generating enough energy for approximately 29 million homes.

Read at Fast Company