Optimal Sizing and Analysis of a Small Hybrid Power System for Umuokpo Amumara in Eastern Nigeria

Table 5

Electrical details of the components of the proposed hybrid system.

Battery
Nominal capacity	36,000 kWh
Usable nominal capacity	21,600 kWh
Autonomy	55 hrs
Lifetime throughput	13,755,000 kWh
String size	50
Strings in parallel	300
Total number of battery units	15,000
Energy in	2,970,676 kWh/yr
Energy out	2,391,040 kWh/yr
Expected life	5.15 yrs
Solar PV system
Rated capacity	2,750 kW
Mean output	415 kW
Mean output	9,916 kWh/d
Capacity factor	15.1%
Maximum output	2,649 kW
PV penetration	106%
Total production	3,635,785 kWh/yr
Diesel generator
Rated capacity	1,000 kW
Mean electrical output	1,000 kW
Operational life	15.6 yrs
Capacity factor	10.9%