Research Article
A Comparison of Hour-Ahead Solar Irradiance Forecasting Models Based on LSTM Network
Table 6
The performance of Model II-BC and II-BD with 1–12-hour historical irradiance (from Lagging 1 to Lagging 12).
| | | Model II-BC | Model II-BD | | RMSE (W/m2) | nRMSE (%) | RMSE (W/m2) | nRMSE (%) |
| | Lagging 1 (1 h) | 72.3486 | 37.5875 | 67.076 | 34.8482 | | Lagging 2 (2 h) | 72.7865 | 37.8108 | 66.3851 | 34.4854 | | Lagging 3 (3 h) | 71.5573 | 37.168 | 66.7471 | 34.6695 | | Lagging 4 (4 h) | 72.5258 | 37.6668 | 66.0398 | 34.2982 | | Lagging 5 (5 h) | 72.8937 | 37.8535 | 64.2217 | 33.3502 | | Lagging 6 (6 h) | 70.9322 | 36.8307 | 63.4328 | 32.9368 | | Lagging 7 (7 h) | 70.4761 | 36.5898 | 64.4025 | 33.4365 | | Lagging 8 (8 h) | 71.8012 | 37.2735 | 63.4285 | 32.927 | | Lagging 9 (9 h) | 71.4277 | 37.0758 | 62.955 | 32.678 | | Lagging 10 (10 h) | 71.2123 | 36.9626 | 63.0588 | 32.7305 | | Lagging 11 (11 h) | 70.8344 | 36.7688 | 64.965 | 33.7222 | | Lagging 12 (12 h) | 71.6534 | 37.1976 | 62.1618 | 32.2702 |
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