- By: Alina Samarskaya
- Solar PV panels
- Updated: Jun 23, 2026
Solar Panel Tariffs in 2026: How Much Will It Cost to Go Solar Now?
SolarWorld Solar Panels are out of stock
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ZNShine Solar 440W Solar Panel 108 Cell N-Type Bifacial All-Black ZXM7-UHLDD108-440 Clearance
Talesun Solar 415W Solar Panel 108 Cell PERC Bifacial All-Black TP7G54M(H)-415-BB Clearance
Pickup on Tue, Aug 4
JA Solar 405W Solar Panel 108 Cells PERC All-Black JAM54S31-405/MR Clearance
Pickup on Wed, Jul 29
Delivery on Jul 29 – Aug 03
Peimar 450W Solar Panel 120 Cell PERC All-Black DR10H450MB Clearance
Pickup on Tue, Aug 4
Delivery on Jul 29 – Aug 03
Trina 415W Solar Panel 144 Cell PERC Bifacial All-Black TSM-415NE09RC.05 Clearance
Pickup on Wed, Jul 29
Delivery on Jul 29 – Aug 03
JA Solar 440W Solar Panel 108 Cell N-Type Bifacial JA-JAM54-D41-440MB Clearance
Pickup on Wed, Jul 29
Delivery on Jul 29 – Aug 03
JA Solar 445W Solar Panel 156 Cell PERC JAM78S10-445/MR Clearance
Delivery on Jul 30 – Aug 04
Phono Solar 440W Solar Panel 108 Cell PERC Bifacial PS440M8GFH-18/VNHB Clearance
Delivery on Aug 04–07
Ready to ship on Aug 03–06
Regitec 415W Solar Panel 108 Cell PERC RMH54/415B1 Wholesale 36 panels per pallet
Ready to ship on Aug 03–06
Ready to ship on Aug 03–06
SolarSpace 400W Solar Panel 108 Cells PERC SS8-54HSB-400-W Wholesale 36 panels per pallet
Ready to ship on Aug 03–06
SolarSpace 400W Solar Panel 108 Cells PERC All-Black SS8-54HSB-400-M Wholesale 36 panels per pallet
Ready to ship on Aug 03–06
Ready to ship on Aug 03–06
Ready to ship on Jul 30 – Aug 04
Ready to ship on Aug 05–10
Ready to ship on Aug 04–07
Ready to ship on Aug 04–07
Ready to ship on Aug 04–07
Regitec 415W Solar Panel 108 Cell RMH54/415B1 Commercial 936 panels per Container (Truckload)
Ready to ship on Aug 03–06
Ready to ship on Aug 03–06
Ready to ship on Aug 03–06
Ready to ship on Aug 03–06
SolarWorld, once the largest U.S. maker of solar panels, still commands loyalty among installers who value German-engineered quality, U.S. assembly heritage, and a warranty track record stretching back four decades. Whether you're hunting for a "new-old-stock" SolarWorld 350 W panel, a battle-tested SolarWorld 285 spec sheet, or simply curious how the brand stacks up in 2026.
🇺🇸 Made in USA Heritage
Produced 800 MW annually in Hillsboro, OR—one of the most advanced manufacturing lines outside Asia with proven quality standards
⚡ Plus-Sorting Technology
Every module shipped at or above nameplate power—no "-3% tolerance" surprises with guaranteed performance specifications
🛡️ Extended Warranties
Up to 30-year linear warranties with <0.35% annual degradation—90% at 21 years, 86.85% at 30 years exceeding industry standards
📊 Proven Bankability
Long-term field data feed NIST PV models, showing <0.7%/yr loss—beating industry averages with reliable performance
"We've been swapping fading 2010 poly arrays with SolarWorld 350 XL mono—customers love the brand equity and beefy frames."
— Leo Martinez, VoltCity Solar (NJ, 2024)
Model: SW 285 Mono (33 mm frame) | Efficiency: 17.0 % | Temp-co: -0.4 % / °C.
Ideal for residential retrofits where 60-cell format slots into existing racks.
72-cell, 1993 × 1000 mm frame, up to 18.1 % efficiency. Perfect for small C&I roofs chasing sub-$0.45/W hardware.
Dual-glass lamination adds 20-year glass breakage cover and industry-leading 30-year linear warranty—ideal for coastal or desert installs.
| Series | Power | Cells | Warranty | Unique Edge |
|---|---|---|---|---|
| Plus 60-cell | 260-300 W | 60 | 25 yr linear | Rigid 40 mm Al frame |
| Plus XL 72-cell | 340-350 W | 72 | 25 yr linear | Larger, lighter |
| Protect GG | 270-290 W | 60 | 30 yr linear | Glass-glass, <0.35 %/yr |
| Feature | Certification/Standard | Benefit |
|---|---|---|
| Plus-Sorting Technology | Every module tested at nameplate | Guaranteed performance output |
| Hail/Load Testing | 5,400 Pa front / 3,600 Pa rear | 1.5× IEC minimum standards |
| NIST Performance Models | <0.7%/yr degradation tracking | 0.1% NPV advantage verified |
| Long-term Field Data | 13-year Arizona installation | 92% nameplate after 13 years |
| Series | Power Output | Efficiency | Cell Technology | Price/W | Best For |
|---|---|---|---|---|---|
| Plus 60-cell | 260W - 300W | 17.0% | 60-cell Mono | $0.40-0.42 | Residential retrofits |
| Plus XL 72-cell | 340W - 350W | 18.1% | 72-cell Mono | $0.43-0.45 | Small C&I installations |
| Protect Glass-Glass | 270W - 290W | 16.5% | 60-cell Dual Glass | $0.45-0.48 | Coastal & desert installs |
| Feature | SolarWorld 350W | Typical Import | Advantage |
|---|---|---|---|
| Manufacturing Origin | USA Heritage (Hillsboro, OR) | Malaysia / Thailand | Quality pedigree |
| Module Efficiency | 18.1% | 17-18% | More watts per ft² |
| Plus-Sorting | 100% nameplate guaranteed | ±3% tolerance | Predictable output |
| Product/Power Warranty | 25/30 years | 12/25 years | Longer ROI window |
| Price per Watt (USA) | $0.43 | $0.39-0.42 | Premium quality value |
*Typical pallet pricing, June 2025
Production ended in 2018; remaining inventory is new-old-stock or refurbished.
SolarWorld Americas produced panels in Hillsboro, Oregon from 2008-2018, with German-engineered quality standards.
SolarWorld offered 25-year linear power warranties and up to 30-year warranties on Protect series. Some warranties transferred to SunPower; many resellers add third-party coverage to NOS pallets.
Yes, through authorized dealers like A1 SolarStore. Stock is limited to new-old-stock and refurbished inventory, typically priced at $0.40-$0.45/W.
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