Region | No. of epoch | No. of observation | Energy output (kWh/m2/day) | MAE | RMSE | R2 | *Global Solar Atlas estimate (kWh/m2/day) |
---|---|---|---|---|---|---|---|
Abakaliki | 30 | 13,052 | 4.92 | 0.03 | 0.06 | 0.94 | 4.87 |
Awka | 30 | 12,832 | 4.77 | 0.04 | 0.07 | 0.92 | 4.72 |
Enugu | 30 | 12,777 | 4.98 | 0.04 | 0.05 | 0.93 | 4.82 |
Owerri | 30 | 12,817 | 4.68 | 0.04 | 0.06 | 0.91 | 4.59 |
Umuahia | 30 | 12,802 | 4.61 | 0.03 | 0.05 | 0.93 | 4.66 |