Uploaded May 2026 | Updated September 2026, 2 weeks ago
Proposals to install wind turbines or entire wind farms often face local resistance. This is due in part to the light pollution that wind turbines emit at night.
As aviation regulations require any obstacle more than 100 metres tall to be fitted with obstruction lights to keep aircraft from colliding with them, wind farm planners and operators seek to mitigate light pollution by switching obstruction lights off at night whenever possible.
Proposals to install wind turbines or entire wind farms often face local resistance. This is due in part to the light pollution that wind turbines emit at night.
As aviation regulations require any obstacle more than 100 metres tall to be fitted with obstruction lights to keep aircraft from colliding with them, wind farm planners and operators seek to mitigate light pollution by switching obstruction lights off at night whenever possible.
