alt Hacker NewsSadly wind turbines don’t really scale down like PV panels. The energy produced by PV panels is a linear function of their surface area. For wind turbines, it scales with the square of the blade length.
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aidenn0 • yesterday at 10:51 PM
Doesn't the area described by a turbine's motion scale with the square of the blade-length, so given a circular area covered by a turbine, the power will scale linearly with that area?
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This is true, but if you already have a battery, getting an extra 200-400w when the sun isn't shining is really useful. (for a UK based house. Not so sure about the USA.)
The cost isn't as good as solar though. a 1kw turbine is expensive.