Solar Commissioning Checklist

Use this Solar Commissioning Checklist template to verify installation and that all components of the solar PV system operate effectively and safely.

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Construction
Solar Commissioning Checklist

AC Combiner Panel

AC Disconnect Switch

KWh Meter

Service Panel

Inverter 1

Data Acquisition System

Application Notes

Site

Electrical Checkout

AC Circuits Before Turn On

PV Modules And Module Wiring

Data Acquisition

Mounting Hardware

Building Envelope Penetrations

DC Source Circuit Junction Box

Source Circuit Fused Combiner Box

DC Disconnect Switch

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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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Solar Commissioning Checklist

Use this Solar Commissioning Checklist template to verify installation and that all components of the solar PV system operate effectively and safely.

1. Is field wiring neatly routed inside the box?

2. Are field wiring terminations tight?

3. Is field wiring properly polarity marked with colored tape or jacket color?

4. Is wire identified with permanent markers/labels?

5. Is the ground wire securely attached?

6. Do fuse types and ratings conform to the one-line diagram (when used)?

7. Are fuses installed (when used)?

8. Are conduit connections tight and are bushings used if applicable?

9. Are labels in place and do they conform to the values?

10. Does the combiner rating conform to the one-line diagram?

11. Is the box properly accessible and lockable?

12. Is the box cover secure and tight?

13. Is a locking seal installed if readily accessible?

1. Is field wiring neatly routed inside the box?

2. Are field wiring terminations tight?

3. Is field wiring properly polarity marked with colored tape or jacket color?

4. Is wire identified with permanent markers/labels?

5. Is the ground wire securely attached?

6. Do fuse types and ratings conform to the one-line diagram (when used)?

7. Are fuses installed (when used)?

8. Are conduit connections tight and are bushings used if applicable?

9. Are labels in place and do they conform to the values?

10. Does the disconnect rating conform to the one-line diagram?

11. Is the box properly accessible and lockable?

12. Is the box cover secure and tight?

13. Is a locking seal installed?

1. Are all wire connections tight?

2. Is field wiring properly polarity marked with colored tape or jacket color?

3. Is the ground wire securely attached (equipment ground)?

4. Are conduit connections tight and are bushings used if applicable?

5. Is the meter labeled as a solar array meter?

6. Is the box cover secure and tight?

7. Is the neutral not bonded to ground in customer-owned equipment?

8. Is the kWh reading recorded on the second register if applicable?

1. Are labels in place?

2. Is there a label to identify the breaker and to indicate not to relocate?

1. Are working and ventilation clearances as per the manufacturer's specifications?

2. Is polarity correct for inverter connections?

3. Has the grounding electrode conductor been confirmed to land on the inverter where the manufacturer requires it?

4. Is the grounding electrode conductor not choked?

5. Is the grounding electrode conductor used only with irreversible connections?

6. Is the inverter's time and date set correctly?

7. Have the model number and serial number of the inverter been recorded?

8. Does the inverter location number match that of the three-line diagram?

9. Is there a warning label about "if a ground fault is indicated…"?

10. Is there a label with the date of installation?

11. Is there a label with a sticker containing the service phone number?

1. Is the network connection confirmed?

2. Has the serial number of the data logger been recorded?

3. Is the irradiance meter installed at the same plane as the array?

4. Is the irradiance meter extension wire type K as per the manufacturer’s recommendations?

5. Is the device name set as: “Inv # MFG Model# S/N” (e.g., Inv1 Satcon PVI50 JAK0827341)?

6. Is the location of the breaker/switch that feeds the logger labeled and recorded?

1. Have all notes on electrical drawings been confirmed?

2. Have all notes on mechanical drawings been confirmed?

1. Is the site clean and is all waste removed?

1. Is the megohm reading from the utility interconnection disconnect to the external utility disconnect greater than 20M ohms in 1 minute?

2. Is the megohm reading from the external utility disconnect to the inverter service disconnect greater than 20M ohms in 1 minute?

3. Is the megohm reading from the inverter DC service disconnect to the array disconnect recorded for the following? What is their 1 min value? * Ungrounded conductor * Grounded conductor if easily lifted

4. Is the megohm reading from the array disconnect to the fused combiner recorded for the following? What is their 1 min value? * Ungrounded conductor * Grounded conductor if easily lifted

1. Is the proper AC voltage verified at the AC disconnect?

2. What is the value of Lines 1 to Neutral?

3. What is the value of Lines 2 to Neutral?

4. What is the value of Lines 3 to Neutral?

5. What is the value of Lines 1 to 2?

6. What is the value of Lines 2 to 3?

7. What is the value of Lines 3 to 1?

8. What is the value of the phase rotation?

9. Is the system turned on for the following tests? Temperature Sky Conditions Wind Speed Horizontal Irradiance

10. What is the total PV amps (sum of all inputs)?

11. What is the MPP voltage in volts recorded?

12. What is the total DC input power (volts times amps, not inverter display) recorded in watts?

13. What is the inverter output reading in watts recorded?

14. Is the inverter efficiency (DC power/AC power) greater than 90%?

1. Have MC connections been inspected for workmanship?

2. Are module cables properly secured to the module frame with no dangling wires?

3. Is the bend radius no greater than four times the diameter of the wire?

4. Is there no debris on the module surface, such as foam pads or sealant residue?