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We stock, install, and warranty all 6 panels on this list. No affiliate links. No sponsored rankings. Just honest assessments from the crews who put these on roofs every week.

All six panels NuWatt installs, ranked by our engineering team based on real-world performance, warranty strength, and value.
| Rank | Panel | Watts | Efficiency | Warranty | FEOC | $/W | Rating | Review |
|---|---|---|---|---|---|---|---|---|
| #1 | REC 460W Best overall | 460W | 22.3% | 25-yearyr | Not FEOC | ~$1.05/W | 9/10 | Read |
| #2 | Maxeon 475W Highest efficiency | 475W | 22.8% | 40-yearyr | Not FEOC | ~$1.25/W | 9/10 | Read |
| #3 | Silfab 440W Best FEOC value | 440W | 21.5% | 30-yearyr | FEOC | ~$0.85/W | 8.5/10 | Read |
| #4 | Q CELLS 415W Best USA-made budget | 415W | 21.0% | 25-yearyr | FEOC | ~$0.75/W | 8/10 | Read |
| #5 | Canadian Solar 435W Best value | 435W | 22.0% | 30-yearyr | Not FEOC | ~$0.65/W | 7.5/10 | Read |
| #6 | Hyundai 440W Entry tier | 440W | 20.3% | 25-yearyr | Not FEOC | ~$0.60/W | 7/10 | Read |
Pricing shown is panel-only cost per watt. Total installed system cost includes inverters, racking, labor, permits, and financing. See individual reviews for full pricing breakdowns.
Most "best solar panel" lists are written by people who have never installed a solar panel. Our rankings come from the crews who handle these panels daily — from loading them off the truck to wiring them on a 6/12 pitch roof in January.
We weight five factors, in this order:
Monitored production data from our installs, not manufacturer STC ratings. How does this panel actually perform on New England and Texas roofs?
Warranty length, claim process quality, and our actual warranty claim rate. A 40-year warranty means nothing if the company makes claims difficult.
Panel cost per watt and projected lifetime cost of energy. Cheap panels that degrade fast are not good value.
Connector reliability, frame strength, weight, junction box placement. Our crews notice things spec sheets never mention.
Domestic content compliance for Section 48 eligibility. Critical for Propel financing — the only federal incentive path left for homeowners.
Transparency Notice
NuWatt sells and installs all six panels ranked here. We earn margin on every installation regardless of which panel you choose. We have no financial incentive to rank one panel higher than another. Our margins are actually slightly higher on budget panels — so if anything, we are biased toward recommending cheaper options. These rankings reflect genuine engineering opinion.
Best overall — hot climates, maximum reliability
Our crews love installing RECs. The junction box placement is clean, connectors are reliable, and we see fewer warranty claims than any other panel. On hot summer days in Texas or southern-facing roofs that cook, the REC outproduces panels with worse temp coefficients by 5-8%. If you are paying cash or using a traditional loan, this is the panel we recommend.
Highest efficiency — small roofs, maximum output per sq ft
Maxeon panels are the Ferrari of solar. The IBC cell design means no visible grid lines on the front, so they look sharp on street-facing roofs. We spec these when roof space is tight — you get more watts per square foot than anything else. The 40-year warranty is real. We have seen former SunPower IBC panels from 2010 still producing at 95%+ of rated output.
Best FEOC value — Propel financing, Section 48 eligibility
Silfab is our Propel workhorse. The panels come from their Burlington, WA and Toronto plants — genuine North American manufacturing with real QC. We install more Silfabs than any other panel because most customers choose Propel financing (since the residential ITC expired). Build quality is solid, and the 30-year warranty gives us confidence. The HJT cells punch above their weight class.
Best USA-made budget — Propel at lowest cost
Q CELLS are the Honda Civic of solar panels — nothing flashy, but reliable and affordable. Their Dalton, GA factory is legit American manufacturing. PERC tech is proven across millions of installs. We use these when budget matters and the customer wants Propel financing. The 415W rating means you need a few more panels than Silfab for the same system size, but the lower $/W usually makes up for it.
Best value — cash buyers on a budget
Canadian Solar HiHero panels are a sleeper pick. The HJT cells and 22% efficiency at $0.65/W is remarkable value. We recommend these to cash buyers who want solid performance without paying premium pricing. The 30-year warranty is a nice bonus. Main downside: they are made in China, so no FEOC compliance and potential tariff exposure. For cash purchases where federal incentives do not matter, these are hard to beat.
Entry tier — large roofs, maximum savings upfront
Hyundai panels are our entry-level option. At $0.60/W they are the cheapest way to go solar. If you have a big, unshaded south-facing roof and want to minimize upfront cost with a cash purchase, these work fine. But know the trade-off: lower efficiency means you need more roof space for the same output, and the worse temp coefficient means they lose more production on hot days. For most customers, we suggest spending the extra $0.05-0.25/W for a better panel.
Deadline: July 4, 2026 — Projects must begin construction before this date
FEOC (Foreign Entity of Concern) compliance determines whether a solar panel qualifies for Section 48/48E commercial Investment Tax Credit benefits. Since the residential ITC (Section 25D) expired on December 31, 2025, the commercial ITC accessed through Propel lease financing is the only remaining federal incentive for homeowners going solar.
Under FEOC rules, solar panels cannot contain components from China, Russia, North Korea, or Iran if the system owner wants to claim the ITC. The third-party financing company (not the installer, not the homeowner) claims this credit and passes savings through as lower lease payments.
Bottom line: If you want Propel $0-down financing (which most homeowners do since the residential ITC expired), your choices are Silfab or Q CELLS. If you are paying cash or using a traditional solar loan, all six panels are available — but you receive $0 in federal tax credits regardless.
Section 25D expired Dec 31, 2025 — $0 federal credit for cash/loan purchases
The residential solar Investment Tax Credit (Section 25D) is dead. Signed away by the One Big Beautiful Bill Act (OBBBA) on July 4, 2025. If you buy solar panels with cash or a traditional loan in 2026, you receive exactly $0 in federal tax credits. This is not a reduction — it is a complete elimination.
The only remaining path to federal solar incentives for homeowners is the Section 48/48E commercial ITC, which is available to third-party system owners (financing companies like Propel). When you lease solar through Propel, the financing company owns the system, claims the commercial ITC, and passes savings to you through lower monthly payments.
But there is a catch: the commercial ITC requires FEOC compliance. That means only Silfab and Q CELLS panels qualify for Propel financing from our lineup. Premium panels like REC and Maxeon are only available for cash or loan purchases.
All 6 panels available
All 6 panels available
Silfab or Q CELLS only (FEOC)
Every spec, side by side. Scroll horizontally on mobile.
| Specification | #1 REC 460W | #2 Maxeon 475W | #3 Silfab 440W | #4 Q CELLS 415W | #5 Canadian Solar 435W | #6 Hyundai 440W |
|---|---|---|---|---|---|---|
| Wattage | 460W | 475W | 440W | 415W | 435W | 440W |
| Efficiency | 22.3% | 22.8% | 21.5% | 21.0% | 22.0% | 20.3% |
| Cell Technology | HJT | IBC | HJT | PERC | HJT | TOPCon |
| Temp Coefficient | -0.26%/°C | -0.29%/°C | -0.30%/°C | -0.34%/°C | -0.27%/°C | -0.35%/°C |
| Warranty | 25-year | 40-year | 30-year | 25-year | 30-year | 25-year |
| Made In | Singapore | Malaysia / Mexico | USA / Canada | USA (Dalton, GA) | China / Southeast Asia | South Korea / China |
| FEOC Compliant | No | No | Yes | Yes | No | No |
| Propel Eligible | No | No | Yes | Yes | No | No |
| Panel Cost ($/W) | ~$1.05/W | ~$1.25/W | ~$0.85/W | ~$0.75/W | ~$0.65/W | ~$0.60/W |
| Our Rating | 9/10 | 9/10 | 8.5/10 | 8/10 | 7.5/10 | 7/10 |
Skip the analysis paralysis. Here is our honest recommendation based on your situation.
Best FEOC-compliant panel with HJT technology and 30-year warranty. Our base tier for Propel. If budget is tight, Q CELLS 415W is the lower-cost FEOC alternative.
Best overall performance, lowest degradation, best temp coefficient. Worth the premium for homeowners who plan to stay 15+ years. No federal credit available, but the panel quality speaks for itself.
HJT technology at the lowest $/W. Excellent specs-to-price ratio with a 30-year warranty. Best for homeowners who want solid performance without premium pricing.
Highest efficiency (22.8%) means maximum watts per square foot. The 40-year warranty is unmatched. Worth the premium when every panel position counts.
Best temperature coefficient (-0.26%/°C) in our lineup. Produces 5-8% more than budget panels on hot days. The performance gap widens every summer.
Lowest cost at $0.60/W. If you have plenty of unshaded roof space and want to minimize upfront cost, Hyundai gets the job done. Just know the efficiency trade-off.
Use our System Builder to configure a complete solar system with your preferred panel, inverter, and battery. Or start a free solar quote and our engineering team will recommend the best panel for your specific roof and budget.
The REC Alpha Pure-R 460W is our top pick for 2026. It offers the best combination of efficiency (22.3%), temperature performance (-0.26%/°C), and reliability. For customers using Propel $0-down financing, the Silfab 440W is the best FEOC-compliant option.
FEOC (Foreign Entity of Concern) compliance means a solar panel is manufactured without components from China, Russia, North Korea, or Iran. Only FEOC-compliant panels qualify for Section 48/48E commercial ITC benefits, which flow through to homeowners via Propel lease financing. In our lineup, only Silfab (USA/Canada) and Q CELLS (USA) are FEOC compliant.
The residential solar tax credit (Section 25D) expired on December 31, 2025. Homeowners who buy solar with cash or a loan receive $0 in federal tax credits. However, the commercial ITC (Section 48/48E) is still available for third-party-owned systems. Through Propel lease financing, homeowners can access these benefits indirectly — but only with FEOC-compliant panels like Silfab or Q CELLS.
NuWatt installs six solar panels: REC Alpha Pure-R 460W, Maxeon 475W, Silfab 440W, Q CELLS 415W, Canadian Solar HiHero 435W, and Hyundai 440W. Every panel on this page is one we stock, install, and warranty. No sponsored rankings.
HJT (Heterojunction) cells combine crystalline silicon with amorphous silicon layers for high efficiency and excellent heat performance — used by REC, Silfab, and Canadian Solar. IBC (Interdigitated Back Contact) cells put all electrical contacts on the back for maximum efficiency and clean aesthetics — used by Maxeon. PERC (Passivated Emitter Rear Cell) is proven older technology with lower cost — used by Q CELLS. TOPCon adds a thin tunnel oxide layer for improved efficiency over PERC — used by Hyundai.
Temperature coefficient measures how much power a panel loses as temperature rises above 25°C (77°F). A panel rated -0.26%/°C (like REC) loses 0.26% output per degree, while one at -0.35%/°C (like Hyundai) loses 0.35%. On a 45°C roof (113°F), that 20°C difference above standard means the REC loses 5.2% vs Hyundai losing 7.0%. Over 25+ years, that gap compounds significantly, especially in hot climates.
It depends on your roof size and financing. If you have plenty of unshaded roof space, a cheaper panel like Hyundai ($0.60/W) or Canadian Solar ($0.65/W) can deliver the same total system output for less money — you just need more panels. If roof space is limited, higher-efficiency panels like Maxeon (22.8%) or REC (22.3%) fit more watts per square foot. If using Propel financing, you must choose FEOC-compliant Silfab or Q CELLS regardless of preference.
Propel is a $0-down solar lease program where a third-party financing company owns the system and claims the Section 48/48E commercial ITC. The savings are passed to the homeowner through lower lease payments. Because the ITC requires domestic content compliance (FEOC), only panels manufactured in the USA or allied nations qualify. In our lineup, that means Silfab (USA/Canada) and Q CELLS (USA/Georgia).
Modern solar panels last 30-40+ years. Warranties in our lineup range from 25 years (REC, Q CELLS, Hyundai) to 30 years (Silfab, Canadian Solar) to an industry-leading 40 years (Maxeon). After the warranty period, panels continue producing — typically at 80-85% of original output. The real limiting factor is usually the inverter (12-25 year lifespan), not the panels.
Technically yes, but we do not recommend it. Mixing panels with different electrical characteristics can reduce system performance and complicate monitoring. The exception is if you are expanding an existing system — we can add a separate string of different panels with its own inverter/microinverters. For new installs, pick one panel and stick with it.
Deep-dive into each panel with full specs, installation photos, crew notes, and pricing breakdowns.
Get a free, no-pressure solar quote from NuWatt. Our engineering team will recommend the best panel for your roof, budget, and financing preference. Every panel on this page is in stock and ready to install.