Title Page
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Site name
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Conducted on
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Prepared by
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Location
Inspection Items
Preventative Testing & Maintenance (DC Components)
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Verify system signage is in place
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Confirm electrical enclosures and combiner boxes/string inverter as secure, weather protected, and free of corrosion
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Inspect for corrosion on racking system and panels
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Ensure no hanging or suspended cabling outside wire management systems and perform wire maintenance if needed
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Clean solar panels as-needed based on inspection. Verify no broken, damaged, or distorted panels
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Verify panel connection to racking system
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Check and tighten connections between strings and inverters
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Ensure weather station sensors are in appropriate location and functioning. Adjust or calibrate units as required by manufacturer. Clean sensors from accumulated soiling.
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Inspect heat sinks, clean filters, etc. on inverter enclosures and combiner boxes
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Check fuses throughout system
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Check continuity of system grounding and equipment grounding
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Conduct IV Testing (or comparable test) and record results
Preventative Testing & Maintenance (Medium Voltage)
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Inspection of physical / mechanical condition and evidence of overheating
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Transformer Dissolved Gas Analysis (DGA) and thermography
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Inspection of anchorage, alignment, and grounding
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Performance of as-found tests
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Cleaning of applicable components
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Verification of alarm, control, and trip circuits from temperature and level indicators, gas pressures, and pressure relief devices
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Inspect bolted electrical connections
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Verification of fuse size and types, along with contact integrity
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Appropriate lubrication of moving current carrying parts and on moving and sliding surface
Preventative Testing & Maintenance (Inverters and Circuit Breakers)
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Inspection of physical / mechanical condition and evidence of overheating
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Inspection of anchorage, alignment, and grounding
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Performance of as-found tests
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Cleaning of applicable components
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Verification of alarm, control, and trip circuits
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Verification of fuse size and types, along with contract integrity
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Verify operation of light emitting diodes, displays, and targets
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Appropriate lubrication of moving current carrying parts and on moving and sliding surfaces
