Shop Residential Solar Panels — 400W–500W Modules for Home Rooftops

How to Choose Residential Solar Panels

Panel Wattage: 400W vs. 450W vs. 500W

Most residential solar systems use 400W–450W panels. Here's how to choose:

• 400W panels — Best value for standard roofs. Require 25 panels for a 10kW system. Most cost-effective option for budget-conscious homeowners.
• 450W panels — Higher efficiency, fewer panels needed. Require 22 panels for a 10kW system. Ideal for space-constrained roofs.
• 500W panels — Premium efficiency, maximum power density. Require 20 panels for a 10kW system. Best for small roofs or premium installations.

Cell Technology for Residential

For residential installations, we recommend N-Type TOPCon panels (JA Solar, Trina, Jinko) or high-quality PERC panels (Qcells, Mission Solar). TOPCon panels offer better efficiency and lower degradation, but PERC panels are more budget-friendly.

All-Black vs. Silver Frame

If your neighborhood has an HOA or you want a sleek appearance, choose all-black panels (Qcells Q.PEAK DUO BLK, REC Alpha Black, Mission Solar Black/Black). Silver frame panels perform identically but cost $0.02–$0.05 less per watt and are more visible on the roof.

Residential Solar System Sizing Guide

Top Residential Solar Panels at Portlandia Electric Supply

• Qcells Q.PEAK DUO BLK 400W — All-black, German engineering, HOA compliant. Shop Qcells →
• JA Solar DeepBlue 440W — Highest efficiency (22.5%), N-Type TOPCon, bifacial option. Shop JA Solar →
• Trina Solar Vertex S+ 400W — Best value, N-Type TOPCon, 25-year warranty. Shop Trina →
• REC Alpha Black 420W — Premium HJT, 30-year warranty, all-black. Shop REC →
• Mission Solar 430W Black/Black — Texas-made, BABA compliant, all-black. Shop Mission Solar →
• Canadian Solar HiKu 400W — Proven reliability, competitive pricing. Shop Canadian Solar →
• Jinko Solar Tiger Neo 445W — High efficiency N-Type TOPCon, excellent value. Shop Jinko →
• Aptos Solar DNA 440W — Bifacial option, strong warranty. Shop Aptos →

Residential Solar Panel Costs

At $0.25–$0.40/watt for panels and $1,000–$3,000 for inverters, a complete residential system costs $3,000–$7,000 for equipment only. After the 30% federal tax credit, net cost is $2,100–$4,900. Most homeowners see a payback period of 4–7 years.

Why Buy Residential Solar Panels from Portlandia Electric Supply?

• Authorized Dealer for 20+ Brands — Full manufacturer warranties honored.
• Wholesale Pricing from $0.25/Watt — Volume discounts for 10+ panels.
• HOA-Compliant All-Black Options — Qcells, REC, Mission Solar, and more.
• Technical Support — Call (888) 876-0007 for system sizing, string design, and installation guidance.
• Fast Delivery — Same-day shipping on in-stock items.
• NET 30 Terms — Available for qualified contractors. Apply here.

Frequently Asked Questions About Residential Solar Panels

How many solar panels do I need for my house?

Most homes need 20–30 panels (8–12kW) to cover 80–100% of electricity usage. A typical 2,000 sq ft home uses 1,000–1,500 kWh/month and needs a 10kW system (25 × 400W panels). Use our Quote My System tool or call (888) 876-0007 for a precise calculation.

Will solar panels increase my home value?

Yes. Homes with solar sell for 4–6% more than comparable homes without solar. The average value increase is $15,000–$20,000 for a typical residential system. Solar is considered a home improvement that reduces operating costs.

How long do residential solar panels last?

Most Tier 1 residential panels are rated for 25–30 years. Performance warranties guarantee 80–87% of original output after 25 years. Inverters typically need replacement after 10–12 years. The total system lifespan is 25–30 years with one inverter replacement.

Can I install solar panels myself?

Yes. Many of our customers are DIY installers. We provide complete kits with all equipment, manuals, and technical support. However, electrical connections and utility interconnection must be done by a licensed electrician. We can recommend local installers in your area.

Shop Residential Solar Panels Below

Browse our full residential panel inventory, filter by brand, wattage, and cell type, or get a custom quote for your home. Call (888) 876-0007 for expert residential solar design.