Path-Q Solar

What cost comparison should a landlord make between a preventive inspection program and repairs after tenant-reported solar faults?

Answer

Compare the full lifecycle cost of scheduled inspections with the expected cost of reactive failures, including lost production, emergency labor, tenant disruption, collateral damage, repeat visits, and administrative time. Preventive inspections are more defensible when faults are costly, equipment is aging, access is difficult, or tenant reporting is unreliable.

Key points

  • Estimate inspection frequency, labor, travel, testing, reporting, and parts separately from repair costs.
  • Use historical fault rates and downtime where available, but stress-test against severe failures.
  • Include inverter, battery, roof, wiring, communications, and safety checks appropriate to the system.
  • Define which faults can be detected remotely and which require physical inspection.
  • Compare preventive work with a hybrid plan using monitoring thresholds and targeted inspections.

What it depends on

  • Equipment age, type, and failure history
  • Number and location of sites
  • Monitoring quality and tenant reporting
  • Production value and outage consequences
  • Service pricing and warranty coverage

Risks and trade-offs

  • Inspections reduce some risks but cannot prevent every component failure.
  • Overly frequent inspections can spend money without improving reliability.
  • Reactive repairs may appear cheaper until downtime and emergency premiums are included.
  • Tenant access and scheduling can reduce the practical value of a planned program.

Information you may need

  • Fault, production, and repair history
  • Itemized preventive and reactive service rates
  • Monitoring capabilities and alert records
  • Tenant and common-area impact of outages
  • Warranty and manufacturer maintenance requirements

Your next step

What to do next

Build a site-by-site cost model using actual fault and downtime data, then request a preventive and hybrid service proposal for comparison.

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