What is the best solar panel for Texas?

There is no single answer, but prioritize a low temperature coefficient, a strong hail rating, and a manufacturer with a financially stable warranty backer.

How much do panels degrade?

Typically 0.5% per year. After 25 years a panel should still produce around 85% to 90% of its original rating.

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Solar Panels

Efficiency, degradation, temperature coefficient, hail ratings, and warranties that matter for Texas roofs.

By USSolar.shop Editorial TeamReviewed by USSolar.shop Editorial TeamUpdated August 20266 min read

Panel brand matters less than five numbers on the datasheet. Learn to read those and you can evaluate any proposal put in front of you.

The five numbers that matter

Ask for the datasheet, not the brochure.

Rated power in watts (400-450W is typical)
Module efficiency (20%-23% for current monocrystalline)
Temperature coefficient (closer to zero performs better in Texas heat)
Annual degradation rate (0.25%-0.55% per year)
Warranty: product term, production term, and who backs it

Hail and Texas roofs

North and Central Texas sit in a serious hail corridor. Look for modules tested to withstand 25mm hail at 23 m/s at minimum, and confirm with your homeowners insurer how a rooftop array affects your policy and deductible before installation.

More watts is not always better

A higher-wattage panel with a worse temperature coefficient can underproduce a lower-rated module across a Texas summer. Compare modeled annual kWh, not nameplate watts.

Frequently asked questions

Sources

Solar Panel Calculator Mono vs Poly Panels Solar Panel Cost in Texas Learn: Solar Maintenance