1 Silfab rigid solar panel ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size rigid panels here, not third among Silfab's own.
The Silfab Prime NTC 440 is Silfab's only current rigid solar panel here, ranked #10 of 61 150 W and up and rated 4.5. The warranty is 12 years. It has no independent output test yet.
A North American-made all-black rooftop panel for homeowners or installers who want domestic supply and a strong 30-year output warranty. Register it to get the full 25-year product warranty.
SolarTown $245.99 Solar Cellz USA $279.32Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
A North American-made all-black rooftop panel for homeowners or installers who want domestic supply and a strong 30-year output warranty. Register it to get the full 25-year product warranty.
SolarTown $245.99 Solar Cellz USA $279.32