Commercial Solar Research

25-Year Warranty Planning

Solar projects commonly market long module performance warranties, but commercial buyers should separate module performance, product warranty, inverter warranty, workmanship, and O&M obligations.

Separate performance warranty from product and workmanship warranty

Keep warranty documents, serial records, and commissioning data

Plan preventive maintenance so warranty claims are easier to defend

What Research Shows

1

Warranty value depends on records

A long warranty is only useful when serial numbers, invoices, installation records, commissioning readings, and maintenance logs are preserved.

2

System warranties are not the same as module warranties

Commercial buyers should distinguish panel performance warranty, panel product warranty, inverter warranty, structure warranty, workmanship warranty, and O&M service commitments.

3

Inspection and commissioning records protect the buyer

National Portal procedure highlights inspection and commissioning evidence in official workflows. The same habit helps commercial sites maintain traceable records for future claims.

Commercial Buyer Questions

Does 25-year warranty mean every component lasts 25 years?

No. It usually refers to module performance warranty. Inverters, structures, workmanship, and monitoring systems have separate warranty terms.

What should be checked before signing?

Check warranty owner, claim process, exclusions, replacement responsibility, labor cost, transport cost, and service response time.

AR Saurtech Energy

Plan This Correctly Before You Invest

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