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Wind turbine

can be hooked up in your home grid to supply electricity.
add a battery

Horizontal-axis turbines

traditional wind mill design
uses rudder

  • no planning permission needed source
  • but source says plan permission is needed
Vertical-axis turbines

catches wind from any direction
AFAIK better, more modern design

pros

  • smaller footprint than solar
  • works during night, or cloudy days
  • more efficient (50%) than solar (20%)
  • production is better for planet

cons

  • regular maintenance
  • visual & noise impact
  • horizontal-axis turbine blades kill birds
  • doesn’t work on windless day

wind energy