Review of mapping analysis and complementarity between solar
Studies use observed data, such as land-based monitoring stations, upper-air stations, wind towers, and satellite data. Additionally, they use meteorological modeling, such
On all other scales studied, including daily and inter-annual scales, the potential for wind-solar complementarity is significantly lower with wind and solar being usually very weakly anti-correlated or being uncorrelated. On these scales, there is hardly any compensation of times with low solar resource by the wind resource and vice versa.
This study provided the first spatially comprehensive analysis of solar and Wind energy Complementarity on a global scale. In addition, it showed which regions of the world have a greater degree of Complementarity between Wind and solar energy to reduce energy storage requirements.
In the case of wind-solar hybrid systems, it was found that Complementarity can be enhanced through the dispersion of wind farms but not for solar energy. However, when considering wind farms, the feasibility must consider the requirement for long-distance transmission lines in this scenario.
Conclusions The newly developed small-scale analysis shows that wind-solar complementarity in Germany is highly dependent on the timescale considered. The proposed approach enables a detailed differentiation of scales on which the complementary use of wind and solar is possible.
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