Warranty and Insurance


A rooftop PV system has several components and each one of them has its own performance parameters. In order to increase the reliability of the system, the following warranty and insurance is required for each component:

Solar Panels:

  • Manufacturer Warranty for Modules shall cover manufacturing defects for a period of 10 years.
  • Minimum performance of 90% of the rated output for first 12 years, and 80% of the rated output for the next 12.5 years.
  • 25-year performance warranty that guarantees a maximum degradation will not exceed 2.5% in the first year, and 0.5–0.7% per year thereafter


  • Inverter warranty shall cover a minimum of 10 years of manufacturer warranty. This warranty shall cover the defects or damages that may occur to the inverter parts.

Mounting and Wirings:

  • Warranty cover by the service provider for mounting structure and wiring for5 years.

Vendors/service providers shall submit necessary test certificates from accredited laboratories and obtain the conformity certificate from Sri Lanka Sustainable Energy Authority for PV panels, invertors and DC Cables as appropriate.
Further Vendors/service providers shall submit warranty cover for a period of 5 years for mounting and wiring of the PV system.


The Vendor/Service Provider shall provide insurance cover for following through a reputed Insurance Company

  • Comprehensive General Liability for the components of the PV system
  • Workers’ Compensation for any accident during the installation/maintenance