Modeling and Optimization of a Residential Solar Stand-Alone Power System

Table 9

Output data of demand load and required number of PV modules.

Month	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.
Total daily electrical demand including hot water demand (kWh)	46.77	46.77	34.7	34.7	39.3	49.65	49.65	49.65	49.65	39.3	34.7	46.77
Daily output power of 200 W PV module (Wh)	858.6	956	1038	1086	1058	1042	1044	1040	1011	943.8	878	771.8
Required capacity of PV (kW)	10.9	9.8	6.7	6.4	7.5	9.6	9.6	9.6	9.9	8.4	8	12.2
Daily output power of 200 W PV module with dual tracking (Wh)	869.5	1047	1252	1427	1503	1530	1496	1406	1256	1047	868	796.3
Required capacity of PV (kW)	10.8	9	5.6	4.9	5.3	6.5	6.7	7.1	8	7.6	8	11.8
Daily output power of 200 W PV module with cooling (Wh)	968.7	1105	1229	1330	1347	1350	1362	1341	1269	1166	1053	879.4
Required capacity of PV (kW)	9.7	8.5	5.7	5.3	5.9	7.4	7.3	7.5	7.9	6.8	6.6	10.7