GHI predictions over the following week
Actual GHI versus predicted GHI over recent recorded days
Predicted vs actual model performance
Model accuracy bands and expected prediction spread
±MAE
69.24% of predictions fall within the MAE band, while 66.91% of actual values fall inside that same range.
±1 STD
78.71% of predictions fall within one standard deviation, compared with 75.84% coverage from actual values.
±2 STD
91.94% of predictions fall within two standard deviations, while actual values land inside that interval 89.62% of the time.
±3 STD
96.26% of predictions fall within three standard deviations, versus 95.11% for actual observed values.
Estimate energy output using forecasted GHI, panel array size, and efficiency.
Based on current forecasted GHI of 13.01 kWh/m².