Solar for Homeowners - FAQ - TCL SunPower Global

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What is TOPCon Technology?

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TOPCon, short for “Tunnel Oxide Passivated Contact,” is an advanced solar cell technology that utilizes a N-type silicon base to enhance efficiency and performance.

What should I do in an emergency?

Maintenance

Safety

Should there be a fire, explosion, gas leak, system damage, or fuel spill around your system’s components, call your local emergency services. If the emergency requires you to seek safety immediately, do so first and then alert emergency personnel that you have a solar system so they can shut it down, if necessary. For assistance restarting your system after an emergency, please contact your Installer.

What solar products do I need for my house?

Solar Panels

Storage Battery

A solar home energy system typically comprises solar panels, an inverter, batteries and home energy management (if desired), and a grid connection. Our installer partners will meet with you to design your system based on your household usage and objectives.

What's the average payback time for a home solar panel installation?

Financing

Solar Panels

The average payback period for a solar panel installation can vary based on factors such as location, system size, energy consumption, panel technology and available incentives. On average, payback periods range from 5 to 10 years. This means that after this period, the cumulative savings on energy bills typically offset the initial investment.

What support does SunPower provide for installers?

Solar Panels

We offer a range of support services, including:

Technical training on installation and maintenance.

Marketing resources to help you generate leads.

Dedicated account managers for personalized assistance.

Online tools and software for system design and customer proposals.

What warranties do SunPower panels come with?

Solar Panels

Warranty

SunPower back contact panels are backed by an industry-leading 40-year warranty, covering performance, product defects, and service. This ensures peace of mind for both installers and customers, offering one of the most comprehensive warranties in the solar industry. SunPower Performance panels have the same warranty scheme limited to 30 years.

Why should I choose Back Contact panels?

Solar Panels

Back Contact technology delivers more power by increasing conversion efficiency, supports higher reliability in real-world conditions, and provides a modern sleek appearance. With an elegant look and robust performance, Back Contact panel is a leading choice for next-generation solar installations.

Why should I limit shading from trees?

Maintenance

Solar Panels

To maximize system production. Trees, plants, rooftop antennas, satellite dishes, and other obstructions can block the sunlight from reaching the panels. If any portion of the panel is shaded, your system will produce electricity at a reduced level. Should you need to trim vegetation or move objects that might shade the panels, please do so during the daylight hours and use caution.

Will my solar panels work on cloudy days?

Solar Panels

Yes. However, it may produce less electricity depending on the density of the cloud cover.

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Support Centre for Homeowners

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