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Cobalt Power Systems offers a complete 10-year warranty on the entire installation for grid-tied PV systems.

Should anything go wrong within the first 10 years, it will be fixed for free—including parts and labor.

The solar equipment manufacturers (PV modules and inverters) offer additional warrantees for the major equipment of a PV system. These warranties typically range from 10 to 25 years. PV modules typically have 25-year performance warranties.

Inverter manufacturers have warrantees that range between 10 to 25 years. Some of the newer inverters, such as microinverters from Enphase Energy, have 25-year warranties, where as the panel manufacturer SunPower has a 25-year defect warranty.

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