Frequently Asked Questions

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A solar installation company designs, permits, and installs solar photovoltaic systems, handles utility interconnection, and typically provides ongoing warranty support. Many also offer battery storage and EV charger installation.

Ask for their state contractor license number (verify with your state licensing board), NABCEP certification number (verify at nabcep.org), proof of $1M+ insurance, and references from recent installs in your area.

A typical 6kW-10kW residential solar system costs $15,000-$30,000 before incentives. The federal investment tax credit covers 30% of the cost, and many states offer additional rebates.

Most reputable installers offer cash purchase, solar loans, leases, and power purchase agreements (PPAs). Cash purchases yield the highest lifetime savings but require upfront capital.

Yes. The federal Investment Tax Credit (ITC) covers 30% of installed cost through 2032. Many states also offer additional credits, rebates, or performance-based incentives.

Physical installation usually takes 1-3 days for residential. From contract to utility permission-to-operate, expect 4-12 weeks depending on your utility.

Yes. Your installer should handle all local building, electrical, and utility permits as part of the installation.

Look for 25-year panel warranties, 10-25 year inverter warranties, and 10+ year workmanship warranties. Always confirm in writing.

Installation companies design and mount new systems. Removal companies temporarily take down existing panels — typically for roof replacement or home sales — and often reinstall them.

Most residential systems benefit from cleaning once or twice per year. Arid or dusty regions may require quarterly cleaning for peak production.

Not required. Batteries increase upfront cost but provide backup power during outages and can improve savings in markets without net metering.

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