The rapid expansion of renewable energy projects, particularly wind farms, has introduced new challenges for aviation infrastructure. Wind turbines can affect aeronautical radar systems through signal reflection, shadowing, and clutter, potentially impacting the performance of surveillance and air traffic management systems. As wind energy projects continue to expand, careful assessment is required to ensure the coexistence of wind farm infrastructure and aviation safety systems.
Challenges Facing the Industry
Wind farm developments located near airports or air navigation infrastructure can introduce several technical challenges for aeronautical radar systems:
Without accurate modelling and technical assessment, wind farm developments risk affecting the reliability of critical aviation surveillance systems.
Project Approach
To assess the potential impact of the proposed wind farm, the project team conducted a detailed radio engineering study employing advanced radio modelling techniques.
The study integrated high-resolution digital terrain and cartographic datasets to accurately represent the wind farm environment and surrounding airspace. Deterministic propagation models were used to simulate radar signal behaviour and evaluate how turbine structures could influence radar performance. By modelling the turbines within the simulation environment, engineers were able to analyse potential signal reflections, shadowing effects, and coverage degradation across the radar service area.
The analysis also assessed the interaction between the wind farm and existing aeronautical infrastructure, enabling engineers to identify areas where radar performance might be affected and evaluate potential mitigation strategies. This modelling-based approach allowed different deployment scenarios to be assessed before construction, providing a clear understanding of the technical risks associated with the development.
Solution and Project Outcome
Using ATDI’s advanced radio network modelling tool, HTZ Communications, the project team evaluated the potential impact of the wind farm on nearby aeronautical radar systems. The analysis enabled engineers to assess radar coverage degradation, identify areas where turbine structures could introduce interference or signal shadowing, and determine whether the proposed development would affect the operational performance of the radar network. By modelling the interaction between turbine structures and radar signals, the study provided a detailed understanding of potential interference scenarios and supported informed decision-making for both the wind farm developer and aviation stakeholders. As a result, the project provided a technically grounded basis for regulatory decision-making, enabling both the wind farm developer and aviation stakeholders to understand the real electromagnetic impact before construction
HTZ Communications – Advanced Radio Modelling and Interference Analysis
HTZ Communications is designed to simulate radio systems, evaluate coverage performance, and conduct interference analysis prior to deployment.
In wind farm and aviation coexistence studies, HTZ models the electromagnetic interaction between turbine structures and radar systems, enabling engineers to assess radar clutter, shadowing effects, and potential degradation of surveillance coverage. The software supports multi-technology analysis within a unified simulation environment, allowing engineers to evaluate coexistence between aeronautical systems and surrounding infrastructure. By integrating high-resolution terrain data with deterministic propagation models, HTZ enables detailed RF simulations and interference assessments that support regulatory compliance and technical decision-making without relying solely on field measurements.
IQT – Engineering Expertise for Complex Spectrum Studies
iQual Tech (IQT) is ATDI’s specialist engineering and consultancy services in radio spectrum engineering, interference analysis, and network modelling. As ATDI’s local partner in Romania, IQT delivers technical studies for wind farm developers and infrastructure investors, assessing the electromagnetic impact on aviation surveillance systems and supporting regulatory submissions to aviation authorities, including ROMATSA.
