Solar Farm Collector System Substation Inspection Checklist
This solar farm collector system substation inspection checklist ensures compliance with OSHA 29 CFR 1910.269 (Electric Power Generation, Transmission, and Distribution), NFPA 70B (Electrical Equipment Maintenance), IEEE C57 transformer standards, NESC substation safety requirements, and NERC FAC facility ratings requirements. Designed for solar O&M electrical teams to inspect and maintain the medium-voltage and high-voltage substation equipment at utility-scale solar farms.
- Industry: Renewable Energy
- Frequency: Monthly
- Estimated Time: 2-3 hours
- Role: Electrical O&M Technician / Substation Engineer
- Total Items: 30
- Compliance: OSHA 29 CFR 1910.269 Electric Power Generation and Transmission, NFPA 70B Electrical Equipment Maintenance Recommendations, IEEE C57.125 Guide for Failure Investigation of Power Transformers, NESC National Electrical Safety Code Part 1, NERC FAC-008 Facility Ratings Requirements
Power Transformer
Main step-up transformer inspection.
- Transformer oil level within normal range?
- Oil and winding temperatures within normal range?
- No oil leaks at gaskets, bushings, or radiators?
- Transformer bushings clean and free of damage?
- Transformer Condition Photo
Oil Analysis and Diagnostics
Transformer oil sampling and analysis.
- Annual dissolved gas analysis (DGA) oil sample taken?
- DGA results within normal limits (no fault gases)?
- Oil dielectric strength within ASTM D877 minimum (>25 kV)?
- PCB content verified to be below EPA limit (50 ppm)?
- Oil spill containment (sump/berms) functional?
Switchgear and Circuit Breakers
MV and HV switching equipment.
- SF6 gas pressure within limits in SF6 breakers?
- Breaker operating mechanism springs charged?
- Breaker control power (DC supply) adequate?
- Disconnect switches operational and not seized?
- Switchgear arc chutes and compartments clean?
Protection and Metering
Protection relay and meter systems.
- Protection relays showing no alarms or target lights?
- DC battery system voltage and float charge correct?
- Battery capacity test completed annually?
- CT/PT secondary connections secure?
- Revenue meter seals intact and communication active?
Site Safety and Security
Substation safety and physical security.
- Substation perimeter fence intact and gates locked?
- High voltage warning signs posted?
- CO2 or dry chemical extinguisher in substation?
- First aid kit accessible near substation?
- Substation grounding mat integrity verified periodically?
Maintenance Records
Substation maintenance documentation.
- All deficiencies documented with corrective actions?
- Annual thermographic scan completed?
- Substation maintenance log current?
- As-built drawings current and on site?
- Substation Inspection Notes
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Why Use This Solar Farm Collector System Substation Inspection Checklist?
This solar farm collector system substation inspection checklist helps renewable energy teams maintain compliance and operational excellence. Designed for electrical o&m technician / substation engineer professionals, this checklist covers 30 critical inspection points across 6 sections. Recommended frequency: monthly.
Ensures compliance with OSHA 29 CFR 1910.269 Electric Power Generation and Transmission, NFPA 70B Electrical Equipment Maintenance Recommendations, IEEE C57.125 Guide for Failure Investigation of Power Transformers, NESC National Electrical Safety Code Part 1, NERC FAC-008 Facility Ratings Requirements. Regulatory-aligned for audit readiness and inspection documentation.
Frequently Asked Questions
What does the Solar Farm Collector System Substation Inspection Checklist cover?
This checklist covers 30 inspection items across 6 sections: Power Transformer, Oil Analysis and Diagnostics, Switchgear and Circuit Breakers, Protection and Metering, Site Safety and Security, Maintenance Records. It is designed for renewable energy operations and compliance.
How often should this checklist be completed?
This checklist should be completed monthly. Each completion takes approximately 2-3 hours.
Who should use this Solar Farm Collector System Substation Inspection Checklist?
This checklist is designed for Electrical O&M Technician / Substation Engineer professionals in the renewable energy industry. It can be used for self-assessments, team audits, and regulatory compliance documentation.
Can I download this checklist as a PDF?
Yes, this checklist is available as a free PDF download. You can also use it digitally in the POPProbe mobile app for real-time data capture, photo documentation, and automatic reporting.