| Algorithm | Variables | RMSE | Reference |
| Similarity-based forecasting models (SBFMs) | Temperature, humidity, dew point, wind speed, irradiance, and sky cover data | 27.4 | [40] | ANN | Sky image and solar irradiance | 59.8 | [52] | Based on cluster analysis and ensemble regression. | Global irradiance, ambient temperature | 8.88 | [53] | ANN | Sunshine, temperature, cloudiness, precipitation, relative humidity, dew point, temperature, soil temperature, evaporation, and pressure | 33 | [41] | ANN | Global irradiance, ambient temperature, relative humidity, wind direction and speed, solar azimuth, and elevation angles | 8.54 | [42] | SVM | Global horizontal radiation and diffuse horizontal radiation | 6.19 | [43] | ANN | Solar_Radiation, Wind_Speed, Relative_Humidity, temperature PV power | 4.42 | Present study | QSVM | 16.8 | TREE | 8.76 |
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