Featured Products

Canadian Solar KuMax 345W Solar Panel (30 modules per pallet) - CS3U-345P-Pallet

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SILFAB 400 W MODULE 132 HALF CELLS MONO PERC 9 BUSBARS BLACK FRAME BLACK BACKSH Solar Panel - SIL-400-HCPLUS

Trina Solar Residential Module 365W Black On Black 132 Half-cell Mono Solar Panel - TSM-365-DE06X.05(II)

Shop JA Solar Panels — DeepBlue Series, N-Type TOPCon, Highest Efficiency

Why Choose JA Solar Panels?

• Highest Efficiency in Our Lineup — DeepBlue 4.0 reaches 22.5% efficiency, producing more power per panel than any other brand we stock.
• N-Type TOPCon Technology — Better low-light performance, lower temperature coefficient, and slower degradation than standard PERC panels.
• Bifacial Design — The DeepBlue 4.0 bifacial captures reflected light for 5–30% additional energy yield, ideal for ground mounts and carports.
• Excellent Low-Light Performance — TOPCon cells maintain higher efficiency in cloudy conditions and early morning/late afternoon light.
• Competitive Pricing — At $0.30–$0.40/watt, JA Solar offers premium efficiency at a mid-range price point.
• 25-Year Warranty — 25-year product and performance warranty (87% output at year 25) backed by BloombergNEF Tier 1 status.

JA Solar Panel Lineup

JA Solar vs. Competitor Panels

Who Should Buy JA Solar Panels?

Space-Constrained Roofs

At 22.5% efficiency, JA Solar DeepBlue panels produce more power per square foot than any other brand we stock. A 10kW system needs only 22 × 455W panels (vs. 25 × 400W panels with standard efficiency). If your roof is smaller than 500 sq ft, JA Solar is the best choice.

High-Heat Climates

JA Solar's N-Type TOPCon cells have a lower temperature coefficient (-0.30%/°C) than standard PERC panels. In hot climates (Texas, Arizona, Florida), this means 3–5% more energy production per panel compared to PERC alternatives.

Commercial and Utility Projects

The DeepBlue 600W bifacial panel offers the highest power density for large-scale installations. The bifacial design adds significant rear-side gain on ground-mount arrays over light-colored surfaces, improving project ROI.

Why Buy JA Solar from Portlandia Electric Supply?

• Authorized JA Solar Dealer — Full 25-year warranty honored. No gray-market risk.
• Competitive Pricing — Premium efficiency at $0.30–$0.40/watt. Volume discounts available.
• Technical Support — Call (888) 876-0007 for JA Solar system design and string sizing.
• Fast Shipping — In-stock JA Solar panels ship same-day or next-day.
• NET 30 Terms — Available for qualified contractors. Apply here.

JA Solar Frequently Asked Questions

Are JA Solar panels good quality?

Yes. JA Solar is a BloombergNEF Tier 1 manufacturer with over 80 GW shipped globally. The DeepBlue series consistently ranks among the highest-efficiency panels in independent testing. JA Solar has a failure rate under 0.5% and is one of the most financially stable solar manufacturers.

How much do JA Solar panels cost?

At Portlandia Electric Supply, JA Solar panels start at approximately $0.30/watt for the DeepBlue 4.0 series. The 600W bifacial series starts at $0.35/watt. Volume pricing available for 20+ panels. Request a quote.

Are JA Solar panels better than Qcells?

JA Solar panels have higher efficiency (22.5% vs. 21.4% for Qcells) and use newer N-Type TOPCon technology vs. Qcells' PERC cells. JA Solar is also less expensive per watt ($0.30–$0.40 vs. $0.35–$0.50). However, Qcells offers USA-made panels and a stronger brand reputation in North America. Choose JA Solar for efficiency and value; choose Qcells for brand recognition and BABA compliance.

Shop JA Solar Panels Below

Browse our full JA Solar inventory including DeepBlue 4.0 and 600W bifacial series. Or get a custom quote for your solar project. Call (888) 876-0007 for expert JA Solar panel selection and system sizing.