Solar Panel Maintenance: What Owners Should Know
Who's responsible
- If you own: FTC — you're responsible for maintaining (or paying someone to maintain) panels and equipment unless the contract includes it.
- If you lease: the leasing company is "probably" responsible (FTC). Check your contract.
Practical habits
- Monitor production. Compare actual output against your installer's estimate or an NREL PVWatts estimate. A sudden drop can signal an equipment problem.
- Watch for shading. Tree growth reduces output (FTC lists shade, snow, and dust as factors).
- Don't climb on the roof yourself. Contact your installer for inspections or cleaning questions, and follow manufacturer guidance — improper cleaning can affect warranties.
- Keep records of warranties, permits, and service visits.
Warranties
The FTC recommends bids spell out warranties for equipment (panels, inverters) and installation workmanship. Know the length of each and who to call.
Roof repairs
Ask upfront what happens if your roof needs repair after installation (FTC) — removal and reinstallation costs should be clear.
Safety
DOE notes panels meet international testing standards and installation undergoes inspection.
Sources
- FTC Consumer Advice, "Solar Power for Your Home" — https://consumer.ftc.gov/articles/solar-power-your-home (accessed Oct 20, 2026)
- U.S. Department of Energy, "Homeowner's Guide to Solar" — https://www.energy.gov/eere/solar/homeowners-guide-going-solar (accessed Oct 20, 2026)
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Last reviewed 2026-10-20.
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