Title Page

  • Site Conducted

  • System Size DC (kWp)

  • System Size AC (kW)

  • Conducted on

  • Prepared by

  • Location
  • Document Number

Solar Site Inspection

General Site Conditions

  • Weather conditions on day of inspection.

  • Overall cleanliness of modules.

  • Time of Inspection.

  • Ambient temperature.

Overall site inspection

Fencing and access control

  • Are all fences and gates intact and without ay visible damage where applicable?

  • Are all locks functional and not corroded?

  • Are all walkways and paths clear of debris and vegetation where applicable?

Working at heights equipment

  • Is the system ground mounted or roof mounted?

  • Are all anchoring points securely fastened and free from damage?

  • Are all CAT ladders structurally sound and free from damage or corrosion?

  • Are all CAT ladder access hatches suitably locked and are the locks in good condition?

Water supply

  • Are all water supply points accessible and operating correctly?

Lightning protection system

  • Where applicable, does the LPS appear to be intact and functional? Check specifically for corrosion at joints, damage to conductors, etc.

Vegetation control

  • Is all vegetation well maintained underneath and around the solar modules?

Mounting Structure

  • Inspect a random subset of bolts and confirm torque values where applicable.

  • Inspect if any parts of the mounting structure are loose.

  • Inspect a random subset of modules to ensure that they are securely fastened to the structure.

  • Inspect structural parts for signs of corrosion.

  • Where applicable, confirm that foundations are still within specification.

  • Where any boundary layers have been penetrated, confirm that waterproofing is still intact.

  • Confirm that there is no damage to the roof that may affect the structural integrity of the mounting structure.

  • This section is for anything you may want to take note of during your inspection.

PV Modules

  • Earthing/bonding connections are still sound and intact.

  • Modules have not become misaligned.

  • All modules are in sound and good working condition (no black spots, no deformed/broken cells or frames, etc.)

  • Modules are dust and dirt free.

  • Modules and module frames have no damage.

  • Thermal inspection of random subset of modules.

  • Test a random subset of modules for bonding continuity with a low-ohm continuity tester to see if it adheres to less than 0.2 ohm.

  • This section is for anything you may want to take note of during your inspection.

Electrical Cables

  • Confirm there is no cable damage of cables beneath modules

  • Confirm no cable damage of cables in trays or trunking

  • Confirm all trays and trunking are still secure on roof

  • No water or unwanted materials in trays or trunking

  • Cables are not at risk of damage on bends

  • Cable tray covers are still intact

  • Warning labels are still intact

  • No rust on trays or trunking

  • This section is for anything you may want to take note of during your inspection.

General Cable Routing Inspection

  • Confirm no cable damage in trunking or trays

  • Confirm trunking and trays are still secure

  • Cables are not at risk of damage on bends

  • Cable tray covers are still intact

  • Warning labels are still intact

  • Test trays or trunking for bonding continuity with a low-ohm continuity tester to see if it adheres to less than 0.2 ohm.

  • This section is for anything you may want to take note of during your inspection.

DC Combiners (Where applicable)

  • Check for loose connections and secure where necessary

  • Check for hotspots, scorch marks, damage, deformities, etc.

  • Confirm no physical damage inside and outside box

  • DC box is watertight and dust free

  • Box is still secured to wall mount

  • Fuses are in tact

  • Warning labels are still intact

  • Surge protection is in working condition

  • Glands are properly sealed

  • Earthing is in tact

  • This section is for anything you may want to take note of during your inspection.

General inverter inspection

  • Check for loose connections and secure where necessary (on each inverter)

  • Check for hotspots, scorch marks, damage, deformities, etc.

  • Inverter and inverter fans are dust free

  • Mounting to wall is secure

  • Communication board is in proper working condition

  • Inverter room ventilation is appropriate

  • Inverter switches are in proper working condition

  • Labelling is still in tact

  • Protection devices are intact

  • Test voltage between earth and neutral connections

  • Test voltages with multi-meter (AC, on & off)

  • Test amperage with multi-meter (AC & DC)

  • After a Power Cycle the system is in good working condition

  • Inverter is clear of dust

  • Thermal imaging

  • This section is for anything you may want to take note of during your inspection.

AC Distribution Board

  • Check for loose connections and secure where necessary

  • AC DB is still securely mounted and undamaged

  • AC DB is not overheating

  • All breakers are in working condition

  • Check for hotspots, scorch marks, damage, deformities, etc.

  • Surge protection is in working condition

  • DB has no external damage

  • Labelling is still in tact

  • Test voltages with multi-meter

  • Test amperage with multi-meter

  • Test earth and neutral connections with multi-meter

  • Temperature in the DB is suitable for proper working condition

  • All components are secured properly to DB panels

  • Thermal imaging

Weather station and monitoring system

  • Where a UPS is installed, battery is still correctly charging and discharging? (Check with mains failure test, measure voltage with and without mains)

  • Weather sensors are securely connected and fastened

  • No rust on devices

  • Cables are secure and watertight

  • Connections on communication devices are secure

  • Protection devices are intact (where applicable)

  • If pyranometer/irradiation sensor are onsite. Have they been cleaned?

Energy Meter

  • Meter is still functional

  • Check for loose connections on meter

  • Check for loose connections of breaker

  • Protection devices are intact

  • Wall mount connection is secure

  • Inverter inspection
  • Please provide inverter number and serial number.

  • Are all parameters still configured as originally intended? For example NRS 097-2-1.

  • Is the active cooling system fully functional and free from excessive noise?

  • Are all air vents free from dust and debris?

  • Are all connectors and terminations still mechanically sound?

  • Are the DC isolators fully functional? (Confirm if inverter shuts down when AC power is removed and the DC isolators are opened.)

AC Voltage Measurements at Inverter CB

  • Phase A to B (V)

  • Phase B to C (V)

  • Phase A to C (V)

  • Phase A to Neutral/Earth

  • Phase B to Neutral/Earth

  • Phase C to Neutral/Earth

AC Voltage Measurements at Inverter Terminals

  • Phase A to B (V)

  • Phase B to C (V)

  • Phase A to C (V)

  • Phase A to Neutral/Earth

  • Phase B to Neutral/Earth

  • Phase C to Neutral/Earth

  • Neutral at inverter to earth terminal in DB

  • String Test
  • Seaward IV Curve Test Result

  • Insulation resistance test result on string at 1000V (MegOhm). Positive to earth, negative to earth and positive to negative.

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