Not Safe

Infrasound

Infrasound is sound waves with frequencies below the lower limit of human audibility.
"An acoustical study was conducted to investigate the presence of infrasonic and low-frequency noise emissions from wind turbines located in Falmouth, Massachusetts, USA. During the study, the investigating acousticians experienced adverse health effects consistent with those reported by some Falmouth residents. The authors conclude that wind turbine acoustic energy was found to be greater than or uniquely distinguishable from the ambient background levels and capable of exceeding human detection thresholds."
Other sensory cells or structures in the inner ear, such as the outer hair cells, are more sensitive to infrasound than the inner hair cells and can be stimulated by low frequency sounds at levels below those that are heard. The concept that an infrasonic sound that cannot be heard can have no influence on inner ear physiology is incorrect.
"Alves-Pereira and Castelo Branco (2007a) have argued that infrasound and LFN from wind turbines may cause 'vibroacoustic disease' (Castelo Branco and Alves-Pereira 2004, Alves-Pereira and Castelo Branco 2007b). The authors list a variety of symptoms, including increased risk of epilepsy and cardiovascular effects such as increased risk for coronary artery surgery."

Sound Disturbance

“Wind turbines produce sound that is capable of disturbing local residents and is reported to cause annoyance, sleep disturbance, and other health-related impacts.”

"Wind turbine noise is causing noise annoyance, and possibly also sleep disturbance, which means that one cannot completely rule out effects on the cardiovascular system after prolonged exposure to wind turbine noise, despite moderate levels of exposure."

Shadow Flicker

Farmers and Farmer's residences will be impacted the most by shadow flicker. Collectively, receptors with predicted shadow flicker of more than 30 hours per year would experience shadow for 2 to 8 months of the year (theoretical maximum of 47-248 days with shadow per year), with maximum shadow flicker times per day ranging from 17 minutes to 2 hours and 20 minutes (Table 4.18-3). Na Pua Makani Wind Project 4-258 - FINAL ENVIRONMENTAL IMPACT STATEMENT
This is a Kahuku example of shadow flicker from a FB post.

Nuisance and Annoyance

"The Falmouth, MA turbines were taken down due to nuisance.The nuisance claim was raised by the Funfars, neighbors to the town-owned turbines, who alleged harms from turbine noise including stress, anxiety, insomnia, and nausea, and deprivation of the use and enjoyment of their land as they could not stand to be outside for extended periods."

Fires

Toxic fires can not be extinguished.
There have already been three fires at the current Kahuku wind farm. Two happened in April and May of 2011 and a third resulted in the shut down of the facility in 2012 through February of 2014.

Blade Throw

Flying parts during hurricanes, or breakage, pose a serious safety risk.
"The blades, hub and nacelle of one of eight Auwahi Wind turbines in the Kanaio area separated from the tower and fell to the ground on October 4th 2016."

Lightning

"Wind turbines are lightning magnets—and strikes on these tall, spinning structures can cause significant damage. Blades explode; generators and control system electronics fry."

Artist: Jenica Taylor

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