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Risen Brand review

RSM132-8-730BHDG

730 Wp HJT Bifacial 85%
ComparePV verdict

Space saver, heavy for its output

Rank 210 of 14,005
Compare panels Datasheet PDF
Power (Wp)
730
Strong · top 16%
Efficiency (%)
23.50
Strong · top 16%
Density (Wp/m²)
235.0
Strong · top 16%
Temp (%/°C)
-0.240
Typical · median -0.240
Weight (kg)
40.0
Weak · 1.7 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Risen TITAN RSM132-8-BHDG series is a range of advanced bifacial modules that set a new direction in energy yield optimization through the use of bifacial dual glass technology. The use of large silicon cells combined with a half-cut design allows for a radical reduction in internal resistance and improved efficiency in difficult lighting conditions. A key innovation is multi-busbar (MBB) technology, which not only increases light absorption but also minimizes the risk of micro-cracks, directly translating into decades of failure-free operation. This series addresses the problem of module degradation over time, offering exceptional resistance to the PID phenomenon and the highest mechanical durability thanks to double-sided tempered glass. A low temperature coefficient ensures that the panels maintain high performance even during summer heat, outperforming standard monofacial solutions. This product is dedicated to investors building solar farms and large-scale commercial installations where the priority is the lowest levelized cost of energy (LCOE). Excellent performance in low sunlight and high mechanical resistance guarantee stable yields in the Polish climate, making this series one of the most cost-effective choices on the professional market.

Ranking

222 panels in the segment HJT 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.50% 23.02% Strong · top 16% 716
Power density 235.0 230.2 Strong · top 16% 800
Temperature coefficient -0.240 -0.240 Typical 13
Weight per kWp 54.8 53.6 Weak · bottom 22% 9,197
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 1 caution
Best for

Utility-scale, commercial, shaded-installations and hot-climate.

Not ideal for

Weight-limited structures.

Strengths
235.0 watts per square metre

Top 16% of the HJT 700-750 W segment, against a median of 230.2.

23.50% module efficiency

Top 16% of the HJT 700-750 W segment, against a median of 23.02%.

Watch-outs
54.8 kg per kWp

Bottom 22% of the HJT 700-750 W segment, against a median of 53.6.

Notes from the database
  • At 23.5% efficiency, this panel is on par with typical HJT 700-750W modules
  • 235.0 W/m² power density - 4.8 W/m² more than HJT 700-750W median (230.2 W/m²), more power per roof area
  • At -0.24%/°C, hot weather performance is typical for HJT 700-750W panels
  • At 40.0 kg (1.7 kg above HJT 700-750W median of 38.3 kg), requires checking roof load capacity
  • Bifacial design (85% factor) captures reflected light - adds 4-13% yield on ground-mount or white roof

Specifications

Open datasheet PDF
Nominal power (Pmax) 730 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.50 % Strong Segment median 23.02%
Vmpp · Impp 42.20 V · 17.32 A Operating point at max power
Voc · Isc 50.33 V · 18.38 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×35 mm · 3.11 m² of roof
Weight 40.0 kg Weak Weak · 1.7 kg above median
Cells 132 · HJT Monocrystalline
Bifaciality 85 % Rear output as a share of front
Coefficient Pmax -0.240 %/°C Typical median -0.240 of its segment
Coefficient Voc · Isc -0.220 · 0.047 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 90.3 % Equals 659 W guaranteed
Degradation 1.00 → 0.30 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Risen in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 730 Wp appear here. The rest cover the whole series.

I-V characteristics at different irradiations I-V characteristics at different irradiations Whole series I-V characteristics at different irradiations I-V characteristics at different irradiations Whole series

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
-0.240 %/°C against a segment median of -0.240
-
Bifacial gain
Rear gain over light concrete: -
-

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

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Risen RSM132-8-730BHDG 730 W 23.50% -0.240 40.0 kg You are here
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg -50 W, lighter, +1.7 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg -30 W, lighter, +1.5 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg -35 W, lighter, +1.4 pp
AIKO-A690-MAE78Dw 690 W 24.70% -0.260 34.5 kg -40 W, lighter, +1.2 pp
AIKO-A685-MAE78Dw 685 W 24.50% -0.260 34.5 kg -45 W, lighter, +1.0 pp
TSM-NEG21C.20Q-760 760 W 24.50% -0.260 38.3 kg +30 W, hotter, +1.0 pp
AIKO-A680-MAH78Dw 680 W 24.30% -0.260 34.7 kg -50 W, lighter, +0.8 pp
GK-4-78HGBD-780M 780 W 24.30% -0.260 38.7 kg +50 W, hotter, +0.8 pp
AIKO-A780-GRH78Dw 780 W 24.30% -0.260 39.8 kg +50 W, hotter, +0.8 pp
RSM132-8-650BMDG 650 W 20.90% -0.340 38.3 kg -80 W, hotter, -2.6 pp
RSM132-8-655M 655 W 21.10% -0.340 33.5 kg -75 W, hotter, -2.4 pp
RSM132-8-660BMDG 660 W 21.20% -0.340 38.3 kg -70 W, hotter, -2.3 pp
RSM132-8-665BMDG 665 W 21.40% -0.340 38.3 kg -65 W, hotter, -2.1 pp
RSM132-8-670M 670 W 21.60% -0.340 33.5 kg Hotter, lighter, -1.9 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +75 W, hotter, +1.6 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +70 W, hotter, +1.4 pp

Found 1390 panels of the same or similar size to this one, within ±10 mm. See them here Found 1400 panels of the same or similar size to this one, within ±25 mm. See them here Found 1400 panels of the same or similar size to this one, within ±50 mm. See them here Found 1432 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does Risen offer for the TITAN RSM132-8-BHDG series?
Risen provides a 15-year product warranty and a 30-year linear power output warranty for the TITAN RSM132-8-BHDG series. The power warranty guarantees a minimum of 80% of rated output throughout the full 30 years of operation. This is one of the longer warranty standards available for large-format modules and reflects the manufacturer's confidence in the HJT bifacial dual glass construction.
What is HJT technology and what advantages does it offer in the RSM132-8-BHDG series?
HJT (Heterojunction Technology) combines N-type crystalline silicon with thin amorphous silicon layers, achieving module efficiency of approximately 22.5–23% in the RSM132-8-BHDG series. Its standout advantage is an exceptionally low temperature coefficient of -0.24%/°C, meaning the panel loses far less power during hot summer days compared to standard PERC modules, resulting in measurably higher annual energy yields.
Is the Risen TITAN RSM132-8-BHDG suitable for utility-scale solar farm projects?
Yes, the RSM132-8-BHDG series is specifically engineered for large-scale and utility-scale PV plants. At up to 730 Wp per module, fewer units are needed per string, reducing Balance of System (BoS) costs and wiring complexity. The bifacial design harvests ground-reflected albedo radiation, adding 10–25% in annual yield and further lowering the plant's overall LCOE.
How does the bifacial design of the RSM132-8-BHDG boost energy production?
The bifacial RSM132-8-BHDG modules harvest irradiance from both the front and rear sides by utilizing albedo radiation reflected from the ground. With a bifaciality factor of approximately 85%, rear-side gains typically range from 10 to 25% annually, depending on ground albedo and tilt angle. The effect is most pronounced over high-reflectivity surfaces such as light gravel, concrete, or snow-covered ground.
Does the RSM132-8-BHDG perform well in low-light conditions and the Central European climate?
Yes, the HJT cells used in the RSM132-8-BHDG series deliver excellent low-irradiance performance, which is highly relevant in Poland's frequently overcast climate. The low temperature coefficient of -0.24%/°C minimizes power losses during summer heat peaks. The dual glass encapsulation provides superior resistance to moisture, frost, and mechanical loads, making this series a reliable choice for Central European weather conditions year-round.
How large are the Risen TITAN RSM132-8-BHDG panels and do they require a special mounting structure?
RSM132-8-BHDG modules measure approximately 2384 × 1303 mm. The dual glass construction makes them heavier than standard single-glass modules, so the racking system must be selected based on load ratings and clamp spacing suited for large-format dual glass panels. Risen recommends this series primarily for ground-mounted utility-scale installations and large commercial rooftops with professional-grade mounting structures.
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