A New Configuration of Vertically Connecting Solar Cells: Solar Tree

Table 1

Monthly average of irradiation in M’sila.

Month	Irradiation with optimal inclination ()	Optimal inclination ()
January	4790	61°
February	5440	53°
March	6510	39°
April	6590	25°
May	6780	11°
June	7040	3°
July	7250	6°
August	7250	18°
September	6400	34°
October	6100	48°
November	5010	58°
December	4430	63°
Year	6140	35°