Tongwei THN-EP08M10 580W vs Yingli Solar PANDA 3.0 PRO 430W
The Tongwei THN-EP08M10 580W wins this comparison by a clear margin. It leads in efficiency (22.5% vs 21.6%) and matches or exceeds on warranty (12 vs 12 years). For most residential installations, the Tongwei THN-EP08M10 580W is the stronger choice.
Key Differences
- • Tongwei THN-EP08M10 580W is rated at 580W while Yingli Solar PANDA 3.0 PRO 430W is rated at 430W, a 150W difference.
- • Tongwei THN-EP08M10 580W achieves 22.5% efficiency vs 21.6% for the other, a 0.9 percentage point gap.
- • Both carry matching 12-year product warranties.
Specifications Breakdown
Module Efficiency
The Tongwei THN-EP08M10 580W achieves 22.5% module efficiency compared to Yingli Solar PANDA 3.0 PRO 430W's 21.6%, meaning Tongwei THN-EP08M10 580W converts 0.9 percentage points more sunlight into electricity per square meter. In practical terms, the Tongwei THN-EP08M10 580W produces 224.5 watts per square meter of panel area while the Yingli Solar PANDA 3.0 PRO 430W produces 220.2 W/m². For rooftop installations where space is limited, this efficiency gap determines how many kilowatts you can fit on your available roof area. Over a 25-year system life, even a small efficiency advantage compounds into meaningful additional energy production.
Power Output
The Tongwei THN-EP08M10 580W delivers 580W per panel versus 430W for the Yingli Solar PANDA 3.0 PRO 430W, a 150W difference per module. To build an 8 kW residential system, you would need 14 Tongwei THN-EP08M10 580W panels or 19 Yingli Solar PANDA 3.0 PRO 430W panels. Choosing the higher-wattage option saves 5 panels, reducing total racking hardware, wiring, and installation labor costs. Higher wattage per panel is particularly valuable for commercial-scale installations where panel count directly impacts balance-of-system costs.
Temperature Coefficient
Both panels share an identical temperature coefficient of -0.29%/°C, meaning they lose power at the same rate as cell temperature rises above the 25°C standard test baseline. At 65°C cell temperature, both retain 94.2% of rated power. Neither panel has a thermal performance advantage, which makes this specification a non-factor in the comparison.
Warranty Coverage
The Tongwei THN-EP08M10 580W is backed by a 12-year product warranty and 25-year performance guarantee, while the Yingli Solar PANDA 3.0 PRO 430W offers 12-year product and 30-year performance coverage. Both offer identical product warranty duration. Based on their published degradation rates (1% first year then 0.4%/year for Tongwei THN-EP08M10 580W; 1% first year then 0.4%/year for Yingli Solar PANDA 3.0 PRO 430W), after 25 years the Tongwei THN-EP08M10 580W should retain approximately 89.4% of original output versus 89.4% for the Yingli Solar PANDA 3.0 PRO 430W. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The Tongwei THN-EP08M10 580W measures 2278×1134×35mm and weighs 28.5 kg, while the Yingli Solar PANDA 3.0 PRO 430W measures 1722×1134×30mm at 21.5 kg. 2.58 m² of panel area for the Tongwei THN-EP08M10 580W versus 1.95 m² for the Yingli Solar PANDA 3.0 PRO 430W. The Yingli Solar PANDA 3.0 PRO 430W is 7.0 kg lighter per panel, which reduces structural load requirements on the roof and makes handling easier during installation. For a 20-panel system, that is a total weight difference of 140 kg. The more compact Yingli Solar PANDA 3.0 PRO 430W may be easier to fit on irregularly shaped or space-limited rooftops.
Specification Comparison
| Specification | Tongwei THN-EP08M10 580W | Yingli Solar PANDA 3.0 PRO 430W |
|---|---|---|
| Power | 580W | 430W |
| Efficiency | 22.5% | 21.6% |
| Power Density | 20.9 W/sq ft | 20.5 W/sq ft |
| Cell Type | TOPCon N-type | TOPCon N-type |
| Bifacial | No | No |
| Weight | 28.5 kg | 21.5 kg |
| Temp Coefficient | -0.29%/°C | -0.29%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 12 years | 12 years |
| Performance Warranty | 25 years | 30 years |
| Degradation (Year 1) | 1% | 1% |
| Annual Degradation | 0.4% | 0.4% |
| Country | China | China |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Tongwei THN-EP08M10 580WThe Tongwei THN-EP08M10 580W achieves 22.5% efficiency versus 21.6% — a 0.9 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 4.5 kW more total system capacity, or 21 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: TieBoth panels share a temperature coefficient of -0.29%/°C — identical heat tolerance.
3. Durability & Warranty
Winner: TieBoth panels offer identical 12-year product warranties and 0.4% annual degradation. Neither has a durability advantage.
4. Power Output
Winner: Tongwei THN-EP08M10 580WThe Tongwei THN-EP08M10 580W delivers 580W versus 430W per panel — 150W more. For an 8 kW system, you need 14 panels with the higher-wattage option versus 19 panels, saving 5 panels and the associated racking and labor costs.
5. Cell Technology
Winner: TieBoth panels use TOPCon N-type cell technology. No technology advantage for either product.
Tongwei THN-EP08M10 580W
Tongwei THN-EP08M10 is a high-output N-type TOPCon panel from one of the world's largest solar cell manufacturers.
Pros
- + Top cell manufacturer
- + High 580W output
- + Competitive pricing
- + Strong R&D backing
Cons
- - Limited brand recognition outside China
- - Standard warranty
- - Newer to module market
Yingli Solar PANDA 3.0 PRO 430W
Yingli Solar PANDA 3.0 PRO delivers 430W with N-type TOPCon technology from one of solar's most established brands.
Pros
- + Established brand history
- + N-type TOPCon cells
- + Good residential size
- + Competitive pricing
Cons
- - Brand restructuring history
- - Standard warranty
- - Limited current US presence
Choose Tongwei THN-EP08M10 580W If...
- ✓ Your roof space is limited and you need maximum power per panel
- ✓ You want fewer panels to reach your target system size, reducing racking and labor costs
- ✓ You prefer newer cell technology with a longer performance improvement runway
- ✓ Large installations seeking competitive N-type pricing from a cell technology leader.
Choose Yingli Solar PANDA 3.0 PRO 430W If...
- ✓ You prefer newer cell technology with a longer performance improvement runway
- ✓ Budget N-type installations from a historically significant solar brand.
Our Recommendation
We recommend the Tongwei THN-EP08M10 580W for most buyers in this comparison. It wins 2 of 5 key dimensions and offers a clear advantage in the metrics that matter most for a solar panel purchase. The Yingli Solar PANDA 3.0 PRO 430W remains a good product, but the Tongwei THN-EP08M10 580W delivers better overall value for the majority of installations.
Frequently Asked Questions
Which is better, Tongwei THN-EP08M10 580W or Yingli Solar PANDA 3.0 PRO 430W?
The Tongwei THN-EP08M10 580W wins this comparison by a clear margin. It leads in efficiency (22.5% vs 21.6%) and matches or exceeds on warranty (12 vs 12 years). For most residential installations, the Tongwei THN-EP08M10 580W is the stronger choice.
Which panel is more efficient, Tongwei THN-EP08M10 580W or Yingli Solar PANDA 3.0 PRO 430W?
The Tongwei THN-EP08M10 580W at 22.5% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 0.9 percentage points translates to approximately 150W per panel under standard test conditions.
Which has a better warranty, Tongwei THN-EP08M10 580W or Yingli Solar PANDA 3.0 PRO 430W?
The Tongwei THN-EP08M10 580W comes with a 12-year product warranty and 25-year performance guarantee. The Yingli Solar PANDA 3.0 PRO 430W offers 12-year product and 30-year performance warranties. Both offer identical warranty terms.
Which panel performs better in hot weather?
The Tongwei THN-EP08M10 580W has a temperature coefficient of -0.29%/°C and the Yingli Solar PANDA 3.0 PRO 430W is -0.29%/°C. Both handle heat equally. A lower (less negative) temperature coefficient is better.
How many Tongwei THN-EP08M10 580W vs Yingli Solar PANDA 3.0 PRO 430W panels do I need for an 8 kW system?
For an 8 kW system: you need 14 Tongwei THN-EP08M10 580W panels (580W each) or 19 Yingli Solar PANDA 3.0 PRO 430W panels (430W each). The Tongwei THN-EP08M10 580W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026