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Risen Brand review

RSM144-9-550BMDG

550 Wp TOPCon Bifacial 70%
ComparePV verdict

Middle of its segment, weak in heat

Rank 6,436 of 14,129
Compare panels Datasheet PDF
Power (Wp)
550
Weak · bottom 2%
Efficiency (%)
21.30
Weak · bottom 5%
Density (Wp/m²)
212.9
Weak · bottom 5%
Temp (%/°C)
-0.340
Weak · bottom 5%
Weight (kg)
32.5
Weak · 1.3 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

Risen TITAN RSM144-9-BMDG photovoltaic panels represent an advanced response to the needs of modern large-scale systems, focusing on maximizing power density from every square meter of surface area. The construction of this series is based on an innovative combination of monocrystalline cells with multi-busbar architecture, which effectively shortens the electron flow path and increases the overall efficiency of the module. A key distinguishing feature is double-sided cell activity (bifacial), which allows for additional harvesting of energy reflected from the ground, significantly increasing the profitability of investments in areas with high albedo. Thanks to the use of dual-glass technology, these modules exhibit extreme resistance to potential-induced degradation (PID) and aggressive chemical factors such as ammonia vapors or salt mist. This is an ideal solution for investors looking for components with a minimum annual degradation rate, ensuring stable cash flows over decades of operation. The TITAN series solves the problem of performance drops at high temperatures through an optimized thermal profile, placing it at the forefront of products dedicated to operating in the demanding Polish climate. By choosing RSM144-9-BMDG, you are opting for a product that, by reducing construction and cabling costs, offers an unrivaled quality-to-price ratio in the professional market.

Ranking

1,022 panels in the segment TOPCon 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.30% 22.44% Weak · bottom 5% 8,585
Power density 212.9 224.4 Weak · bottom 5% 8,563
Temperature coefficient -0.340 -0.290 Weak · bottom 5% 8,846
Weight per kWp 59.1 53.8 Weak · bottom 5% 12,099
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Commercial and utility-scale.

Not ideal for

Hot climates, tight roof space and roofs where every square metre has to count.

Watch-outs
-0.340 %/°C temperature coefficient

Bottom 5% of the TOPCon 550-600 W segment, against a median of -0.290. Ranked 8,846th in the whole database.

21.30% module efficiency

Bottom 5% of the TOPCon 550-600 W segment, against a median of 22.44%. Ranked 8,585th in the whole database.

212.9 watts per square metre

Bottom 5% of the TOPCon 550-600 W segment, against a median of 224.4. Ranked 8,563rd in the whole database.

Notes from the database
  • At 21.3% efficiency, this panel is 1.1pp below the TOPCon 550-600W median of 22.4%
  • 212.9 W/m² power density is 11.5 W/m² below TOPCon 550-600W median (224.4 W/m²) - requires larger installation area
  • At -0.34%/°C, loses 0.05pp more power per degree than TOPCon 550-600W median (-0.29%/°C)
  • Weight of 32.5 kg is 1.3 kg above TOPCon 550-600W median (31.2 kg) - verify structural support
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 550 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.30 % Weak Segment median 22.44%
Vmpp · Impp 42.20 V · 13.04 A Operating point at max power
Voc · Isc 49.80 V · 13.94 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×30 mm · 2.58 m² of roof
Weight 32.5 kg Weak Weak · 1.3 kg above median
Cells 144 · TOPCon Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.340 %/°C Weak bottom 5% of its segment
Coefficient Voc · Isc -0.270 · 0.045 %/°C
NOCT 44 °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 85.0 % Equals 467 W guaranteed
Degradation 2.00 → 0.45 % 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 550 Wp appear here. The rest cover the whole series.

RSM144-9-550BMDG I-V characteristics at different irradiations RSM144-9-550BMDG I-V characteristics at different irradiations 550 W I-V characteristics at different temperatures (AM1.5, 1000W/m²) I-V characteristics at different temperatures (AM1.5, 1000W/m²) 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
-0.340 %/°C against a segment median of -0.290
-
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 RSM144-9-550BMDG 550 W 21.30% -0.340 32.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +3.7 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +3.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +3.4 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg Cooler, lighter, +3.4 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.3 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +3.2 pp
RSM144-9-545BMDG 545 W 21.10% -0.340 32.5 kg Very close match
RSM144-9-560BNDG 560 W 21.70% -0.290 31.0 kg Cooler, lighter, +0.4 pp
RSM144-9-565BNDG 565 W 21.90% -0.290 31.0 kg +15 W, cooler, +0.6 pp
RSM144-9-570BNDG 570 W 22.10% -0.290 31.0 kg +20 W, cooler, +0.8 pp
RSM144-9-575BNDG 575 W 22.30% -0.290 31.0 kg +25 W, cooler, +1.0 pp
RSM144-9-580BNDG 580 W 22.50% -0.290 31.0 kg +30 W, cooler, +1.2 pp
RSM144-9-585BNDG 585 W 22.60% -0.290 31.0 kg +35 W, cooler, +1.3 pp
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +100 W, cooler, +3.9 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +95 W, cooler, +3.7 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +90 W, cooler, +3.5 pp

Found 2327 panels of the same or similar size to this one, within ±10 mm. See them here Found 2369 panels of the same or similar size to this one, within ±25 mm. See them here Found 2383 panels of the same or similar size to this one, within ±50 mm. See them here Found 2548 panels of the same or similar size to this one, within ±100 mm. See them here

About the TITAN RSM144-9-BMDG series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What warranty does the Risen TITAN RSM144-9-BMDG come with and what does it cover?
The TITAN RSM144-9-BMDG series includes a 15-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. The manufacturer guarantees an annual degradation rate of approximately 0.45% after the first year, ensuring more than 84.9% of rated power is retained after 30 years of operation. This is among the strongest performance commitments available in the p-type dual glass segment.
What are the real-world benefits of bifacial technology in the Risen RSM144-9-BMDG, and is the premium worth it?
Bifacial cells harvest energy from both the front surface and light reflected off the ground (albedo gain). With a bifaciality factor of approximately 70%, installations over light-colored surfaces such as gravel, white EPDM membranes, or snow can realistically achieve 5-15% additional energy yield at no extra hardware cost. For ground-mount farms and commercial flat rooftops this translates into a measurably shorter payback period compared to monofacial modules.
How do Risen TITAN RSM144-9-BMDG panels perform during summer heat?
All PV modules lose power as cell temperature rises above 25°C. The RSM144-9-BMDG benefits from an optimized thermal profile achieved through dual glass construction and multi-busbar cell architecture, which shortens the electron path and lowers internal resistance. The result is reduced thermal losses compared to older single-glass PERC modules - a meaningful advantage during peak summer conditions, especially for large installations where thermal losses directly affect LCOE.
Are Risen TITAN RSM144-9-BMDG panels better suited for ground-mount or rooftop installations?
The RSM144-9-BMDG series, with modules rated up to 550 Wp in a large dual glass format, is designed primarily for utility-scale and commercial applications: ground-mount solar farms and flat industrial rooftops. High per-panel power reduces BoS costs - fewer modules, less cabling, fewer MPPT inputs. Bifacial gain is maximized in elevated ground-mount racking above a high-albedo surface, making this configuration the most economically efficient use case.
Are Risen RSM144-9-BMDG panels resistant to salt mist and ammonia - can they be used near the coast or livestock farms?
Yes. The dual glass construction replaces the conventional backsheet, eliminating the primary ingress path for corrosive substances. BMDG series modules carry salt mist and ammonia resistance certifications, making them suitable for coastal installations and agrivoltaic projects near livestock buildings. As a Tier 1 manufacturer, Risen Energy backs these ratings with independently verified test documentation.
What accounts for the 550 Wp peak power of the Risen TITAN RSM144-9-BMDG?
The top-bin variant reaches 550 Wp under STC conditions. This high power density results from combining 144 half-cut monocrystalline cells with a multi-busbar architecture that reduces resistive losses and lowers the risk of micro-cracks, plus bifacial cell technology. Compared to legacy 4- or 5-busbar layouts, the multi-busbar design also improves partial-shade resilience, delivering higher real-world energy yield over the module's lifetime.
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