Fig. 3

Anomaly detection in solar and wind energy production using Z-score analysis. The red dashed lines represent \(\pm 3\sigma\) anomaly thresholds, while the yellow dashed lines indicate the \(\pm 2\sigma\) warning zone.

Anomaly detection in solar and wind energy production using Z-score analysis. The red dashed lines represent \(\pm 3\sigma\) anomaly thresholds, while the yellow dashed lines indicate the \(\pm 2\sigma\) warning zone.