The study uses data from over 120,000 US households from 2011 to 2023 and compares households before and after the installation of nearby wind turbines. Neither self-reported health problems nor actual purchasing behaviour (sleeping pills, painkillers) show a demonstrable negative effect at typical distances.
Methodology: Households as their own control group
The study links data on the locations of around 75,000 wind turbines with the NielsenIQ Ailments Survey, which annually collects self-reported information on health complaints such as insomnia, depression, anxiety and headaches from a total of over 120,000 US households. The health data is supplemented by purchasing behaviour: those who buy more sleeping pills or painkillers following the installation of a wind turbine leave objective traces that indicate health problems – regardless of subjective assessments.
At the heart of the method is a so-called event-study design: Each household is compared with itself – in the years before and after the commissioning of a nearby wind turbine. Confounding factors such as income, age, household size or regional trends are statistically controlled for. The study underwent peer review for publication in the journal PNAS: it was anonymously reviewed by other scientists and deemed valid.
Results: No measurable effects on health or behaviour
The research team found no statistically detectable associations between the construction of new wind turbines and health reports or purchasing behavior. Similarly, there were no changes in time use (hours of sleep, exercise, time spent outdoors) or in expenditure on alcohol, tobacco and general medicines. The result remains consistent across all subgroups examined: age, gender, income, educational attainment and ethnicity.
“Wind turbines are frequently subject of health concerns. However, the evidence to date is somewhat inconsistent and often limited by small sample sizes or purely correlational analyses. Our analyses, using extensive US household data, show no measurable negative health effects at typical distances between wind turbines and residential areas,” says Niklas Rott, a researcher at the Chair of Economics with a focus on health economics at the University of Augsburg and co-author of the study.
The authors also emphasise that local burdens such as noise, shadow flicker or visual impacts can affect quality of life and reduce acceptance of wind power projects – even in the absence of detectable health effects. They recommend that debates on wind power should focus more on evidence-based noise limits, fair cost-sharing and transparent planning procedures – rather than on unsupported health risks.
Contact for scientific information:
Niklas Rott M.Sc.
Wiss. Mitarbeiter
Prof. Dr. Robert Nuscheler: Volkswirtschaftslehre mit Schwerpunkt Gesundheitsökonomik
E-Mail: niklas.rott@uni-a.de
Original publication:
Wind Turbine Proximity and Health: Longitudinal Evidence from US Households.
Autoren: Niklas Rott (Universität Augsburg), Douglas Almond (Columbia University, New York), Osea Giuntella (University of Pittsburgh)
Zeitschrift: Proceedings of the National Academy of Sciences (PNAS), Vol. 123, No. 21.
