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GoSolarCT > 4. Solar Living > System Maintenance

Solar requires little maintenance, but it helps to understand the basics.
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GoSolarCT > 4. Solar Living > System Maintenance

Solar requires little maintenance, but it helps to understand the basics.


Once your system is up and running, a Connecticut Green Bank inspector may contact you for a final inspection.

All inspectors are required to provide consumers with advance notice of their visit to your home. If you have questions or want to verify the validity of an inspection request, you can contact either your contractor or the Connecticut Green Bank. To view a list of these Connecticut Green Bank inspectors, click here.

Most solar panels will be guaranteed for 20 or 25 years

While panels typically have a 25+ year life cycle, over time, their efficiency will reduce. You probably won’t notice this for a long time, but every year your panels will produce a little bit less electricity – at a rate of about 0.5%.

Inverter lifespan

Inverters typically carry a 10 to 25 year warranty, but be sure to check with your contractor about the specific provisions of your inverter system.

It’s worth noting that string inverters traditionally have a standard warranty of 10 years, though most now come with the option of 20-25 year warranties, while micro-inverters are often warranted for 25 years.  Be sure to ask your contractor about equipment warranties and what is involved.

Performance monitoring

All projects receiving a State incentive are required to have a performance monitoring system installed. These systems provide you and your contractor with access to data to troubleshoot issues and track performance. You can also view environmental benefits like carbon offset and amount of trees saved.

Maintaining your system

Your system should not require much maintenance, but it’s always helpful to confirm no critters have nested under the panels and that your electrical boxes are clear of debris.

You may be able to do routine inspections and some preventive maintenance tasks yourself. However, you should contact your contractor if you notice things like cracked or broken panels and loose wiring to reduce the risk of harming yourself or damaging your system.

Maintenance under a lease or PPA

If you choose a solar lease or PPA, the leasing company owns the solar system and usually will offer a service program to cover any maintenance issues during the lease term. Confirm these details in your financing agreement.

If you own your system, you will be responsible for maintenance; however, remember that some contractors and lenders offer service contracts.

Snow removal

You should never attempt to remove snow from your panels. Just be patient! The sun’s rays will warm the panels and thanks to the angle on which they were installed, the snow will melt and slide off on its own.

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