Third-Party PV Condition Assessments for Commercial Rooftop Solar

Commercial rooftop solar installed between 2014 and 2020 is entering a predictable mid-life phase — where unreviewed systems accumulate risk. Across NYC and the North Jersey industrial corridor, I provide independent PV Condition Assessments for commercial and institutional rooftop systems, typically 250 kW to 1 MW. Most systems were commissioned correctly. Few have had a structured technical review since installation.

Inverter Electrical Inspections

Structural review of racking systems, roof penetrations, drainage conditions, and interface deterioration — common failure points on mid-life arrays.

Inverter lifecycle exposure assessment, warranty status review, and operational verification against original commissioning specs.

Thermal Imaging & DC Terminations

Racking / Canopy Inspections

Infrared scanning of DC terminations and combiner points to identify heat anomalies before they become failures.

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What I Find on Mid-Life Commercial Systems

On commercial rooftop assets from this installation window, recurring findings include production variance beyond modeled expectations, inverter lifecycle exposure, thermal irregularities at DC terminations, roof interface deterioration, and monitoring gaps masking real performance loss.

What a PV Condition Assessment Covers

A structured, one-time technical review delivered as a written report with a prioritized deficiency log and capital planning observations.

Racking / Canopy Inspections

Field review of racking hardware, module mounting, roof interface conditions, drainage around array footprints, and penetration integrity.

Inverter Electrical Inspections

Review of inverter operational status, error history, remaining warranty period, and lifecycle exposure on mid-life commercial systems.

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Assessment Scope

Each assessment covers the following areas across your rooftop system.

Electrical Integrity Review

Termination torque, overcurrent protection, grounding continuity, conductor sizing, and labeling compliance.

Performance & Monitoring Review

Production output compared to modeled expectations, monitoring platform review, and identification of gaps masking performance loss.

Photo Documentation & Written Report

Timestamped field photos tied to a structured deficiency log, delivered as a written report with capital planning observations for asset owners.

Preventive Maintenance Evaluation

Assessment of maintenance history, module soiling, vegetation encroachment, and general upkeep status relative to system age.