Start by identifying what the assessment predicts at each noise-sensitive receptor.

Record receptor locations, background-noise data, predicted turbine noise, any cumulative contribution from other wind farms and the limits or conditions proposed.

Check the baseline survey.

Identify measurement locations, survey duration, excluded data, wind-speed range and whether the selected locations reasonably represent the receptors they are used for. If one monitor is used as a proxy for several properties, understand why.

Check turbine and operating assumptions.

Noise predictions depend on turbine sound-power data, operating mode, hub height and modelling assumptions. If the final turbine model is not fixed, identify how the assessment deals with the candidate or worst-case specification.

Check cumulative noise.

Where other relevant turbines contribute to the acoustic environment, examine how their contribution is incorporated and whether the scenario corresponds to the applicable guidance and consent position.

Separate predicted compliance from complaint investigation.

An assessment predicts future noise against the relevant framework. A robust condition should also make clear how compliance can later be investigated and measured if complaints arise.

Do not rely on subjective descriptions alone.

Personal concern about noise is legitimate, but a technical challenge is stronger when it identifies a receptor, dataset, modelling assumption, cumulative scenario, limit or enforcement issue.

Sources and further information

GOV.UK - Noise

Scottish Government - Information to be included in an EIA Report

Last checked: 26 September 2026

Start with the receptors and geometry used in the model.

Shadow flicker depends on the relationship between turbine, sun and receptor. Check which properties or other sensitive locations were modelled, turbine dimensions and whether the final layout matches the assessment.

Distinguish theoretical from realistic exposure.

Models may first calculate a theoretical maximum and then apply assumptions about sunshine, turbine operation or screening to estimate a more realistic effect. Record which result is being quoted.

Check screening assumptions.

Buildings, terrain and vegetation can reduce effects, but vegetation can be seasonal or removed. If screening is central to the conclusion, establish whether it is permanent and within appropriate control.

Check mitigation triggers.

Where turbine shutdown or a control system is proposed, identify which turbines and receptors are covered, the operating trigger and how complaints or unforeseen effects would be investigated.

Do not confuse shadow flicker with general moving shadows.

The technical phenomenon assessed in wind applications has a specific geometric basis. Representations should focus on receptors and predicted exposure rather than generic statements that turbines cast shadows.

Sources and further information

Scottish Government - Information to be included in an EIA Report

Last checked: 26 September 2026