Research Article
A Comparison of Hour-Ahead Solar Irradiance Forecasting Models Based on LSTM Network
Table 4
The performance of Model I-B with 1–12 hour historical irradiance (from Lagging 1 to Lagging 12).
| | | RMSE (W/m2) | nRMSE (%) | MAE (W/m2) | MBE (W/m2) | R |
| | Lagging 1 (1 h) | 75.4654 | 39.2068 | 34.179 | −7.2412 | 0.9615 | | Lagging 2 (2 h) | 73.0181 | 37.9311 | 32.2728 | −5.3405 | 0.9637 | | Lagging 3 (3 h) | 72.0597 | 37.429 | 33.022 | −8.7159 | 0.9648 | | Lagging 4 (4 h) | 73.1294 | 37.9803 | 35.0303 | −13.1121 | 0.9649 | | Lagging 5 (5 h) | 72.5747 | 37.6879 | 32.0244 | −5.851 | 0.9641 | | Lagging 6 (6 h) | 73.3373 | 38.0796 | 34.9869 | −10.9972 | 0.9638 | | Lagging 7 (7 h) | 72.0033 | 37.3826 | 30.9602 | −3.4511 | 0.9648 | | Lagging 8 (8 h) | 71.9089 | 37.3294 | 30.8381 | −3.7222 | 0.9647 | | Lagging 9 (9 h) | 71.4177 | 37.0707 | 31.2055 | −2.3624 | 0.9656 | | Lagging10 (10 h) | 72.6381 | 37.7026 | 30.7169 | −0.6251 | 0.9642 | | Lagging 11 (11 h) | 71.0791 | 36.8959 | 32.8573 | −7.3356 | 0.9656 | | Lagging 12 (12 h) | 71.8434 | 37.2962 | 30.6385 | −1.9523 | 0.9649 |
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