Solar Testing & Maintenance
Commonwealth Electrical Technologies’ Service & Maintenance team provides 24/7/365 emergency solar response to ensure that our customers’ solar facilities and businesses are running smoothly. We also perform regular solar inspections and testing to maintain optimal solar performance and reliability.
Expertise & Experience
Damage or foreign debris
Potential shading and equipment encroachments
Wire connections for proper torque
Infrared scan of PV modules and equipment connections
Fuses and breakers
Sensor equipment, DAS, and weather station
Disconnects and combiner boxes
Inverter maintenance transformers and associated AC electrical distribution
Tracker system maintenance
PV module cleaning
We provide the following solar system performance testing:
VOC, IMPS, and ISC of each string
VMP and IMP output at each combiner box
AC power output
Instantaneous system production against DAS, adjusting for cell temperature and irradiance
IV curve testing and verification