numerical simulations of an offshore photovoltaic (PV) plant were conducted using the Weather Research and Forecasting - Building Environment Parameterization (WRF-BEP) model. By comparing the regional climate before and after the construction of the offshore PV plant
the analysis examines its impact on the local climate
particularly the microclimate of adjacent building clusters. The results show that the offshore PV plant has significant impacts on the microclimate of downwind building clusters during summer days
with the affected area extending beyond 10 km. In the studied case
the temperature in the open high-rise building cluster located 11.1 km downwind increases by up to 1.04℃. The impacts on building clusters outside the downwind zone are much less pronounced compared to those downwind. Therefore
offshore PV plants should avoid deployment upwind of building clusters and prioritize development in distant offshore areas to mitigate their impacts on the coastal climate by leveraging the buffering effect of the ocean. For building clusters within a 10 km range that are not downwind of offshore PV plants
layout optimization should be considered to mitigate adverse climatic effects.
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