A description on Solar Botanic's website says, "The more wind there is, the more Nanoleaves are moved." And, "The stronger the wind, the higher the 'flap' frequency, and therefore the larger the watts generated."
Plus, falling raindrops can also producing electricity by stimulating leaf movement. Though each individual movement, warmth or ray will only generate picowatts of power, hundreds of leaves on a single tree can combine to generate a siginificant wattage.
According to Solar Botanic, a broad leaf artificial tree resembling an oak or a maple could generate 3500kWh and 7000kWh per year, and an evergreen could crank out 2500kWh to 7000kWh per year.
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The company said their solutions offer, "50 percent more power than conventional solar systems." Energy gathered is stored in the trunk until it can be used by the house.
Solar Botanic has plans to create shrubs and bushes as well.
If successfully created and affordalbe, these trees have other added benefits versus more traditional alternative power systems: they look like trees.