Outdoor Performance Assessment of New and Old Photovoltaic Panel Technologies Using a Designed Multi-Photovoltaic Panel Power Measurement System

Table 1

Characteristics of new and 5-year-old PV panel technologies used in the study.

PV panel type	(nominal power)	(open circuit voltage)	(short circuit current)	(voltage at MPP)	(current at MPP)
Monocrystalline (mono-new)	140 Wp (±3%)	21.5 V	8.33 A	18.0 V	7.78 A
Monocrystalline (mono-old)	140 Wp (±3%)	21.5 V	8.33A	18.0 V	7.78 A
Polycrystalline (poly-new)	150 Wp (±3%)	22.4 V	8.46 A	18.2 V	7.95 A
Polycrystalline (poly-old)	150 Wp (±3%)	22.4 V	8.46 A	18.2 V	7.95 A
CIS (CIS-new)	125 Wp (±4%)	59.3 V	3.22 A	44.0 V	2.84 A
CIS (CIS-old)	125 Wp (±4%)	59.3 V	3.22 A	44.0 V	2.84 A
CdTe (CdTe-new)	60 Wp (±5%)	89.7 V	1.23 A	62.2 V	0.99 A
CdTe (CdTe-old)	60 Wp (±5%)	89.7 V	1.23 A	62.2 V	0.99 A