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S-Energy Brand review

SE65-72BGJ-545S

545 Wp Monocrystalline Bifacial 70%
ComparePV verdict

Middle of its segment, short guarantee

Rank 8,532 of 14,005
Compare panels Datasheet PDF
Power (Wp)
545
Typical for its class
Efficiency (%)
21.10
Weak · bottom 20%
Density (Wp/m²)
211.0
Weak · bottom 20%
Temp (%/°C)
-0.350
Weak · bottom 12%
Weight (kg)
28.5
Typical · median 28.0 kg
Warranty (yrs)
25
Weak · bottom 11%

The S-Energy SE65-72BGJ series is a range of bifacial modules in a monocrystalline configuration, designed to maximize energy yield not only from the front, but also from reflections off the ground. In practice, this means better performance in ground-mounted systems, on sunny roofs, and anywhere where the albedo can be deliberately utilized - without the need to add additional panels.

Compared to many standard solutions, these modules stand out due to their glass-to-glass construction with anti-reflective coating, which supports stable operation and resistance to varying weather conditions. The use of large cells and a high cell density helps to effectively utilize the module's surface area, which will be appreciated by investors with limited mounting space.

Another important advantage is the positive power tolerance, which means that the installation starts operating closer to the expected power output. The IP68 sealed junction box also facilitates safe operation in environments exposed to moisture and dust. This makes it a good choice for PV farms, large commercial roofs, and prosumer installations aimed at maximizing energy generation.

Ranking

7,747 panels in the 445-645 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 21.10% 22.30% Weak · bottom 20% 9,297
Power density 211.0 222.7 Weak · bottom 20% 9,312
Temperature coefficient -0.350 -0.300 Weak · bottom 12% 10,419
Weight per kWp 52.3 52.7 Typical 5,761
Performance warranty 25 yrs 30 yrs Weak · bottom 11% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Residential and commercial.

Not ideal for

Owners who want a long output guarantee, hot climates and tight roof space.

Watch-outs
25 year performance warranty

Bottom 11% of the 445-645 W band, against a median of 30 yrs.

-0.350 %/°C temperature coefficient

Bottom 12% of the 445-645 W band, against a median of -0.300.

21.10% module efficiency

Bottom 20% of the 445-645 W band, against a median of 22.30%.

Notes from the database
  • Efficiency of 21.1% is 0.7pp below the database median (21.8%)
  • At 211.0 W/m², this panel generates 7.1 W/m² less per unit area than database median (218.1 W/m²)
  • Temperature coefficient of -0.35%/°C is 0.05pp worse than database median (-0.30%/°C) - higher losses in summer heat
  • Weight of 28.5 kg is 2.0 kg above database median (26.5 kg) - verify structural support
  • 70% bifaciality enables rear-side power generation, boosting yield by 4-10% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 545 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.10 % Weak Segment median 22.30%
Vmpp · Impp 41.60 V · 13.11 A Operating point at max power
Voc · Isc 49.80 V · 13.88 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×35 mm · 2.58 m² of roof
Weight 28.5 kg Typical Typical · median 28.0 kg
Cells 144 Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.350 %/°C Weak bottom 12% of its segment
Coefficient Voc · Isc -0.270 · 0.040 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 11% · median 30 yrs
End-of-warranty output 85.0 % Equals 449 W guaranteed
Degradation 2.00 → 0.54 % First year, then annual

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.350 %/°C against a segment median of -0.300
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All S-Energy panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
S-Energy SE65-72BGJ-545S 545 W 21.10% -0.350 28.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +3.9 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +3.7 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, +3.7 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +3.6 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, +3.5 pp, +5 yr warranty
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +3.4 pp
SL65-72BDJ-525Z 525 W 20.32% -0.350 31.5 kg Heavier, -0.8 pp, +5 yr warranty
SL65-72BDJ-530R 530 W 20.53% -0.350 32.0 kg Heavier, -0.6 pp, +5 yr warranty
SL65-72BDJ-530Z 530 W 20.52% -0.350 31.5 kg Heavier, -0.6 pp, +5 yr warranty
SE65-72BGJ-535S 535 W 20.70% -0.350 28.5 kg -10 W, -0.4 pp
SL65-72BDJ-535R 535 W 20.73% -0.350 32.0 kg Heavier, -0.4 pp, +5 yr warranty
SL65-72BDJ-540R 540 W 20.92% -0.350 32.0 kg Heavier, +5 yr warranty
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +105 W, cooler, +4.1 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +100 W, cooler, +3.9 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +95 W, cooler, +3.7 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +90 W, cooler, +3.5 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2547 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Does bifacial technology in the S-Energy SE65-72BGJ series actually increase energy output?
Yes. Bifacial modules generate electricity from both sides — the front and the rear, which captures light reflected from the ground surface (albedo effect). With light-colored ground cover such as concrete, gravel, or a white roofing membrane, or in ground-mount systems with sufficient clearance, yield can increase by 5–25% compared to conventional monofacial panels. The benefit grows with brighter surroundings and greater mounting height above the surface.
What warranty does the S-Energy SE65-72BGJ series carry?
The manufacturer provides a 12-year product warranty covering materials and workmanship, and a 25-year linear power warranty guaranteeing at least 80.7% of rated output after 25 years of operation. The positive power tolerance ensures every module leaves the factory producing at or above its nameplate wattage.
What does the glass-glass construction in SE65-72BGJ modules mean, and why is it better than a standard backsheet?
In a glass-glass design, the conventional plastic EVA backsheet is replaced with a thin tempered glass layer. This makes the module significantly more resistant to moisture ingress, cell microcracks, and PID (potential induced degradation), resulting in lower long-term power loss. The tradeoff is slightly higher module weight compared to backsheet panels, which must be accounted for in structural design.
Is the SE65-72BGJ series suitable for residential rooftops, or is it designed only for utility-scale farms?
While the series is optimized for ground-mount systems and large commercial rooftops — where the bifacial rear-side gain is maximized — it also performs well on light-colored, well-ventilated residential roofs. Up to 545 Wp per module allows building a high-capacity prosumer system in a smaller footprint. The IP68-rated junction box and glass-glass construction add durability in harsh weather conditions.
Where is S-Energy headquartered, and is it a reliable PV manufacturer?
S-Energy is a South Korean photovoltaic manufacturer based in Gyeonggi-do, operating since 2001 as a spin-off from Samsung's PV division. The company is listed on the Korean KOSDAQ exchange and runs its own factory with approximately 500 MW per year capacity. S-Energy is not currently ranked as a Bloomberg NEF Tier-1 manufacturer, which is worth considering when evaluating long-term warranty support.
What is the peak power output of the S-Energy SE65-72BGJ, and does positive power tolerance matter in practice?
Peak power in the SE65-72BGJ series is 545 Wp at STC. Positive power tolerance means no module ships below its nameplate rating. For a 20-panel system, this means the installation operates at full or above-rated capacity from day one. Over a 25-year power warranty period, that consistently higher baseline translates into meaningfully more energy produced compared to modules at the low end of tolerance.
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