The blades of IWTs produce unavoidable shadow
flicker bright enough to pass through closed eyelids,
and moving shadows cast by the blades on windows
can affect illumination inside buildings.32 The Danish
Energy Agency classifies shadow flicker from IWTs
experienced by residents as a “nuisance.”33
People exposed to shadow flicker from IWTs
report negative effects to their health and wellbeing.
7 Currently, most jurisdictions in Canada do
not have regulations that prevent negative effects
from visual burdens caused by IWT