S-Energy Solar Panels Review 2026
Comprehensive analysis of S-Energy's solar panel portfolio — 91 panels reviewed with detailed specifications, efficiency data, and technology breakdown.
91 Panels
Up to 22.4% Efficiency
365W – 665W
S-Energy
Company Overview
Key Statistics
Total Panels
91
Avg. Efficiency
21.0%
Max Efficiency
22.4%
Power Range
365W – 665W
Avg. Power
512W
Avg. Temp Coeff
-0.34%/°C
Bifacial Panels
70 (77%)
Avg. Warranty
28 years
Technology Breakdown
Cell Technologies
Unknown
41 panels (45.1%)
PERC
30 panels (33.0%)
TOPCon
20 panels (22.0%)
Power Distribution
<400W
4 panels (4.4%)
400-499W
36 panels (39.6%)
500-599W
40 panels (44.0%)
600-699W
11 panels (12.1%)
Top Picks from S-Energy
Most Efficient
| # | Model | Power | Efficiency | Tech |
|---|---|---|---|---|
| 1 | SL65-78TDP-625R | 625W | 22.4% | Monocrystalline |
| 2 | SL65-72TDP-575R | 575W | 22.3% | Monocrystalline |
| 3 | SL65-78TDP-620R | 620W | 22.2% | Monocrystalline |
| 4 | SL65-72TDP-570R | 570W | 22.1% | Monocrystalline |
| 5 | SL65-54TDP-430R | 430W | 22.0% | Monocrystalline |
Highest Power
| # | Model | Power | Efficiency | Tech |
|---|---|---|---|---|
| 1 | SL85-66BDL-665R | 665W | 21.4% | Monocrystalline |
| 2 | SL85-66BDL-660R | 660W | 21.3% | Monocrystalline |
| 3 | SL85-66BDL-655R | 655W | 21.1% | Monocrystalline |
| 4 | SL85-66BDL-650R | 650W | 20.9% | Monocrystalline |
| 5 | SL85-66BDL-645R | 645W | 20.8% | Monocrystalline |
Best S-Energy Panels by Use Case
Best for Residential
380–460W range, ranked by efficiency
22.0%
430W
22.0%
430W
21.8%
425W
21.8%
425W
21.5%
420W
Best for Commercial
500W+, ranked by power output
665W
21.4%
660W
21.3%
655W
21.1%
650W
20.9%
645W
20.8%
Best Bifacial
Dual-sided panels, ranked by efficiency
22.4%
625W
22.3%
575W
22.2%
620W
22.1%
570W
22.0%
430W
Pros & Cons
Strengths
- Solid portfolio of 91 panels
- Strong bifacial lineup — 77% of portfolio supports dual-sided generation
- Strong warranty coverage averaging 28 years
- High-power panels available (up to 665W) for commercial applications
Considerations
- Average efficiency of 21.0% is below the industry leading edge
Efficiency Distribution
50
20-21%
54.9%
34
21-22%
37.4%
7
22-23%
7.7%
Frequently Asked Questions
S-Energy offers 91 solar panel models with an average efficiency of 21.0%. Check their full panel lineup on ComparePV to find the best model for your needs.
S-Energy manufactures panels ranging from 365W to 665W, covering both residential and commercial applications. Their portfolio includes Unknown (45%), PERC (33%), TOPCon (22%) cell technologies.
S-Energy panels have an average efficiency of 21.0%, with their most efficient model reaching 22.4%. This puts them in the competitive range in the current market.
Yes, S-Energy offers 70 bifacial panels, representing 77% of their portfolio. Bifacial panels can generate additional energy from the rear side, making them ideal for ground-mounted systems.
S-Energy panels come with an average performance warranty of 28 years. This warranty guarantees that the panels will maintain a specified level of power output over time, protecting your investment against degradation beyond normal levels.
S-Energy offers panels in the residential-friendly 380–460W range. For home installations, look for models with high efficiency and compact dimensions to maximize power from limited roof space. Browse their full lineup on ComparePV to filter by power range and specifications.
Yes, S-Energy has adopted TOPCon (Tunnel Oxide Passivated Contact) cell technology in part of their portfolio. TOPCon cells offer higher efficiency and better temperature performance compared to older PERC technology, making them a strong choice for maximizing energy production.
The Verdict
S-Energy is a strong choice for bifacial and ground-mounted systems, offering 91 panels suitable for both residential and commercial buyers. With an average efficiency of 21.0% and top models reaching 22.4%, their panels deliver competitive performance.
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Browse the complete catalog of 91 S-Energy solar panels with detailed specifications, filters, and comparison tools.
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