Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua

Kodji Deli; Etienne Tchoffo Houdji; Albert Ayang; Dieudonne Kidmo Kaoga; Noel Djongyang

doi:doi:10.11648/j.ijrse.20241302.12

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Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua

Kodji Deli^*

, Etienne Tchoffo Houdji

, Albert Ayang

, Dieudonne Kidmo Kaoga

, Noel Djongyang

Published in International Journal of Sustainable and Green Energy (Volume 13, Issue 2)

Received: 8 June 2024 Accepted: 1 July 2024 Published: 15 July 2024

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Abstract

The main objective of this study is to compare thirty-five (35) solar radiation models available in the open literature in order to predict monthly solar radiation in two main cities of Cameroon. This estimation and comparison are based on selected statistical comparison parameters named, root mean square error (RMSE), mean bias error (MBE), mean percentage error (MPE) and determination coefficient (R²). These different models are implemented using regression analysis tools named Exel and MATLAB. Estimated values were compared with measured values according to normalized values of statistical parameters, using measured meteorological data of more than 19 years, from 1984 to 2015. All the models have been classified with their associated ranking according to their statistical parameter accuracy. From this study it appears that the models of Ertekin and Yaldiz (MOD20), Togrul and Onat (MOD28), are more accurate than other models. Indeed, for the city of Maroua (MBE%=-2.82E-14; RMSE%=0.862; MPE=-0.00845; R²=0.985), while for Garoua (MBE%=-9.21E-15; RMSE%=0.806; MPE=-0.00631; R²=0.959). according to their accuracy these models can be therefore be used to predict monthly solar radiation for soudano-sahelian regions of Cameroon. Correlation equations found in this paper will help solar energy researcher to estimate data with trust because of its fine agreement with the observed one. hence the models presented in this study could be used to evaluate accurately the solar radiation at any locations with similar climate.

Published in	International Journal of Sustainable and Green Energy (Volume 13, Issue 2)
DOI	10.11648/j.ijrse.20241302.12
Page(s)	28-42
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Meteorological Data, Global Solar Radiation, Empirical Models, Performance, Statistical Parameters, Cameroon

References

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APA Style

Deli, K., Houdji, E. T., Ayang, A., Kaoga, D. K., Djongyang, N. (2024). Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua. International Journal of Sustainable and Green Energy, 13(2), 28-42. https://doi.org/10.11648/j.ijrse.20241302.12

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ACS Style

Deli, K.; Houdji, E. T.; Ayang, A.; Kaoga, D. K.; Djongyang, N. Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua. Int. J. Sustain. Green Energy 2024, 13(2), 28-42. doi: 10.11648/j.ijrse.20241302.12

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AMA Style

Deli K, Houdji ET, Ayang A, Kaoga DK, Djongyang N. Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua. Int J Sustain Green Energy. 2024;13(2):28-42. doi: 10.11648/j.ijrse.20241302.12

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@article{10.11648/j.ijrse.20241302.12,
  author = {Kodji Deli and Etienne Tchoffo Houdji and Albert Ayang and Dieudonne Kidmo Kaoga and Noel Djongyang},
  title = {Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua
},
  journal = {International Journal of Sustainable and Green Energy},
  volume = {13},
  number = {2},
  pages = {28-42},
  doi = {10.11648/j.ijrse.20241302.12},
  url = {https://doi.org/10.11648/j.ijrse.20241302.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijrse.20241302.12},
  abstract = {The main objective of this study is to compare thirty-five (35) solar radiation models available in the open literature in order to predict monthly solar radiation in two main cities of Cameroon. This estimation and comparison are based on selected statistical comparison parameters named, root mean square error (RMSE), mean bias error (MBE), mean percentage error (MPE) and determination coefficient (R2). These different models are implemented using regression analysis tools named Exel and MATLAB. Estimated values were compared with measured values according to normalized values of statistical parameters, using measured meteorological data of more than 19 years, from 1984 to 2015. All the models have been classified with their associated ranking according to their statistical parameter accuracy. From this study it appears that the models of Ertekin and Yaldiz  (MOD20), Togrul and Onat (MOD28), are more accurate than other models. Indeed, for the city of Maroua (MBE%=-2.82E-14; RMSE%=0.862; MPE=-0.00845; R2=0.985), while for Garoua (MBE%=-9.21E-15; RMSE%=0.806; MPE=-0.00631; R2=0.959). according to their accuracy these models can be therefore be used to predict monthly solar radiation for soudano-sahelian regions of Cameroon. Correlation equations found in this paper will help solar energy researcher to estimate data with trust because of its fine agreement with the observed one. hence the models presented in this study could be used to evaluate accurately the solar radiation at any locations with similar climate.
},
 year = {2024}
}

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TY  - JOUR
T1  - Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua

AU  - Kodji Deli
AU  - Etienne Tchoffo Houdji
AU  - Albert Ayang
AU  - Dieudonne Kidmo Kaoga
AU  - Noel Djongyang
Y1  - 2024/07/15
PY  - 2024
N1  - https://doi.org/10.11648/j.ijrse.20241302.12
DO  - 10.11648/j.ijrse.20241302.12
T2  - International Journal of Sustainable and Green Energy
JF  - International Journal of Sustainable and Green Energy
JO  - International Journal of Sustainable and Green Energy
SP  - 28
EP  - 42
PB  - Science Publishing Group
SN  - 2575-1549
UR  - https://doi.org/10.11648/j.ijrse.20241302.12
AB  - The main objective of this study is to compare thirty-five (35) solar radiation models available in the open literature in order to predict monthly solar radiation in two main cities of Cameroon. This estimation and comparison are based on selected statistical comparison parameters named, root mean square error (RMSE), mean bias error (MBE), mean percentage error (MPE) and determination coefficient (R2). These different models are implemented using regression analysis tools named Exel and MATLAB. Estimated values were compared with measured values according to normalized values of statistical parameters, using measured meteorological data of more than 19 years, from 1984 to 2015. All the models have been classified with their associated ranking according to their statistical parameter accuracy. From this study it appears that the models of Ertekin and Yaldiz  (MOD20), Togrul and Onat (MOD28), are more accurate than other models. Indeed, for the city of Maroua (MBE%=-2.82E-14; RMSE%=0.862; MPE=-0.00845; R2=0.985), while for Garoua (MBE%=-9.21E-15; RMSE%=0.806; MPE=-0.00631; R2=0.959). according to their accuracy these models can be therefore be used to predict monthly solar radiation for soudano-sahelian regions of Cameroon. Correlation equations found in this paper will help solar energy researcher to estimate data with trust because of its fine agreement with the observed one. hence the models presented in this study could be used to evaluate accurately the solar radiation at any locations with similar climate.

VL  - 13
IS  - 2
ER  -

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Author Information

Kodji Deli

Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon

Contact Email

http://orcid.org/0000-0002-6206-2827
Etienne Tchoffo Houdji

Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon; Department of Renewable Energy, Advanced School of Mines Processing and Energy Resources, University of Bertoua, Cameroun

Contact Email

http://orcid.org/0000-0002-2361-2136
Albert Ayang

Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon; Department of Applied Sciences, University of Québec in Chicoutimi, 555 Boulevard de l’Université, Chicoutimi, Canada

Contact Email

http://orcid.org/0000-0002-3398-5868
Dieudonne Kidmo Kaoga

Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon

Contact Email

http://orcid.org/0000-0003-4244-2731
Noel Djongyang

Department of Renewable Energy, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon

Contact Email

http://orcid.org/0000-0003-4024-4969

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Plain Text BibTeX RIS

APA Style

Deli, K., Houdji, E. T., Ayang, A., Kaoga, D. K., Djongyang, N. (2024). Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua. International Journal of Sustainable and Green Energy, 13(2), 28-42. https://doi.org/10.11648/j.ijrse.20241302.12

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ACS Style

Deli, K.; Houdji, E. T.; Ayang, A.; Kaoga, D. K.; Djongyang, N. Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua. Int. J. Sustain. Green Energy 2024, 13(2), 28-42. doi: 10.11648/j.ijrse.20241302.12

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AMA Style

Deli K, Houdji ET, Ayang A, Kaoga DK, Djongyang N. Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua. Int J Sustain Green Energy. 2024;13(2):28-42. doi: 10.11648/j.ijrse.20241302.12

Copy | Download

@article{10.11648/j.ijrse.20241302.12,
  author = {Kodji Deli and Etienne Tchoffo Houdji and Albert Ayang and Dieudonne Kidmo Kaoga and Noel Djongyang},
  title = {Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua
},
  journal = {International Journal of Sustainable and Green Energy},
  volume = {13},
  number = {2},
  pages = {28-42},
  doi = {10.11648/j.ijrse.20241302.12},
  url = {https://doi.org/10.11648/j.ijrse.20241302.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijrse.20241302.12},
  abstract = {The main objective of this study is to compare thirty-five (35) solar radiation models available in the open literature in order to predict monthly solar radiation in two main cities of Cameroon. This estimation and comparison are based on selected statistical comparison parameters named, root mean square error (RMSE), mean bias error (MBE), mean percentage error (MPE) and determination coefficient (R2). These different models are implemented using regression analysis tools named Exel and MATLAB. Estimated values were compared with measured values according to normalized values of statistical parameters, using measured meteorological data of more than 19 years, from 1984 to 2015. All the models have been classified with their associated ranking according to their statistical parameter accuracy. From this study it appears that the models of Ertekin and Yaldiz  (MOD20), Togrul and Onat (MOD28), are more accurate than other models. Indeed, for the city of Maroua (MBE%=-2.82E-14; RMSE%=0.862; MPE=-0.00845; R2=0.985), while for Garoua (MBE%=-9.21E-15; RMSE%=0.806; MPE=-0.00631; R2=0.959). according to their accuracy these models can be therefore be used to predict monthly solar radiation for soudano-sahelian regions of Cameroon. Correlation equations found in this paper will help solar energy researcher to estimate data with trust because of its fine agreement with the observed one. hence the models presented in this study could be used to evaluate accurately the solar radiation at any locations with similar climate.
},
 year = {2024}
}

Copy | Download

TY  - JOUR
T1  - Performance Comparison of Empirical Models for Estimating Global Solar Irradiation in the Soudano-Sahelian Zone of Cameroon: The Case of the City of Maroua and Garoua

AU  - Kodji Deli
AU  - Etienne Tchoffo Houdji
AU  - Albert Ayang
AU  - Dieudonne Kidmo Kaoga
AU  - Noel Djongyang
Y1  - 2024/07/15
PY  - 2024
N1  - https://doi.org/10.11648/j.ijrse.20241302.12
DO  - 10.11648/j.ijrse.20241302.12
T2  - International Journal of Sustainable and Green Energy
JF  - International Journal of Sustainable and Green Energy
JO  - International Journal of Sustainable and Green Energy
SP  - 28
EP  - 42
PB  - Science Publishing Group
SN  - 2575-1549
UR  - https://doi.org/10.11648/j.ijrse.20241302.12
AB  - The main objective of this study is to compare thirty-five (35) solar radiation models available in the open literature in order to predict monthly solar radiation in two main cities of Cameroon. This estimation and comparison are based on selected statistical comparison parameters named, root mean square error (RMSE), mean bias error (MBE), mean percentage error (MPE) and determination coefficient (R2). These different models are implemented using regression analysis tools named Exel and MATLAB. Estimated values were compared with measured values according to normalized values of statistical parameters, using measured meteorological data of more than 19 years, from 1984 to 2015. All the models have been classified with their associated ranking according to their statistical parameter accuracy. From this study it appears that the models of Ertekin and Yaldiz  (MOD20), Togrul and Onat (MOD28), are more accurate than other models. Indeed, for the city of Maroua (MBE%=-2.82E-14; RMSE%=0.862; MPE=-0.00845; R2=0.985), while for Garoua (MBE%=-9.21E-15; RMSE%=0.806; MPE=-0.00631; R2=0.959). according to their accuracy these models can be therefore be used to predict monthly solar radiation for soudano-sahelian regions of Cameroon. Correlation equations found in this paper will help solar energy researcher to estimate data with trust because of its fine agreement with the observed one. hence the models presented in this study could be used to evaluate accurately the solar radiation at any locations with similar climate.

VL  - 13
IS  - 2
ER  -

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