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Transparent 455 LS-TA2

455 Wp Back Contact Bifacial 78%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 5,669 of 14,005
Compare panels Datasheet PDF
Power (Wp)
455
Weak · bottom 11%
Efficiency (%)
22.80
Weak · bottom 8%
Density (Wp/m²)
227.7
Weak · bottom 5%
Temp (%/°C)
-0.290
Weak · bottom 5%
Weight (kg)
24.5
Weak · 1.0 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

<p>The IBC Module Transparent series redefines the approach to integrating photovoltaics with modern architecture, offering a unique combination of high energy efficiency and aesthetic transparency. The use of glass-glass technology makes these modules a full-fledged structural element, ideally replacing traditional roofing or railing infills. A key distinguishing feature is their ability to transmit natural light while generating clean energy, which effectively solves the problem of excessive shading in the space under the installation. Thanks to the use of high-efficiency bifacial cells, these panels effectively utilize reflected radiation, which significantly increases total yields compared to standard single-sided solutions. This construction provides extreme resistance to external factors and degradation processes, resulting in an exceptionally long system life. This solution is primarily dedicated to modern carports, winter gardens, and transparent facades of commercial buildings. Unlike typical competitors, IBC Module Transparent offers the perfect balance between transparency level and cell packing density, ensuring optimal visual comfort. By choosing this series, investors gain design versatility and a guarantee of safety resulting from rigorous durability tests, making them an unrivaled choice in the premium segment.</p>

Ranking

156 panels in the segment Back Contact 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.80% 23.50% Weak · bottom 8% 2,714
Power density 227.7 235.2 Weak · bottom 5% 2,888
Temperature coefficient -0.290 -0.260 Weak · bottom 5% 2,165
Weight per kWp 53.8 48.0 Weak · bottom 1% 7,897
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 5 caution
Best for

BIPV, commercial and residential.

Not ideal for

Weight-limited structures, hot climates and roofs where every square metre has to count.

Watch-outs
53.8 kg per kWp

Bottom 1% of the Back Contact 450-500 W segment, against a median of 48.0. Ranked 7,897th in the whole database.

-0.290 %/°C temperature coefficient

Bottom 5% of the Back Contact 450-500 W segment, against a median of -0.260. Ranked 2,165th in the whole database.

227.7 watts per square metre

Bottom 5% of the Back Contact 450-500 W segment, against a median of 235.2. Ranked 2,888th in the whole database.

What owners get
Back Contact cells — zero front shading loss

Moving all electrical contacts to the rear eliminates front metallization shading, which typically consumes 2–4% of incident irradiance in PERC/TOPCon designs. Result: module efficiency of 22.3–22.8% matches the top of the peer group (Sunlike Solar 22.8%, LEDVANCE 22.77%) and exceeds Waaree ARKA Series (20.93%) by more than 1.4 percentage points — while maintaining full structural transparency.

Temperature coefficient -0.29%/°C (Pmax)

The confirmed -0.29%/°C (Pmax) temperature coefficient from the LS-TA2 datasheet outperforms standard PERC cells (-0.34 to -0.35%/°C). At 65°C module temperature (35°C above STC), power loss is ~10.2% vs. ~12.3% for PERC — a meaningful summer yield advantage for BIPV modules exposed to direct insolation.

30-year linear power warranty

IBC Solar guarantees output power for 30 years — 5 years longer than the standard 25-year terms offered by Waaree (ARKA Series) and most comparable peers. The extended warranty horizon directly reduces LCOE for long-duration BIPV infrastructure investments and lowers portfolio risk.

Dual-function BIPV architectural integration

The transparent glass-glass construction (2 mm + 2 mm low-iron PV glass with AR coating) simultaneously serves as a structural roofing element and power generator. In carport, pergola, and winter garden applications it replaces conventional roofing materials, partially offsetting the higher per-unit cost of BIPV modules vs. standard framed panels.

44-year manufacturer track record — IBC Solar AG (est. 1982, Germany)

IBC Solar AG's established European market presence since 1982 materially reduces the risk of manufacturer insolvency over the 30-year warranty period — a genuine concern with many newer PV market entrants. EU service network and technical support availability are substantially stronger than those of Asian manufacturers without local infrastructure.

Trade-offs
Design uplift load limited to 1600 Pa — wind-zone constraint

The maximum design wind uplift (pull) rating is 1600 Pa, against a test load of 2400 Pa per the LS-TA2 datasheet (EN 61215). In high-wind-exposure locations (coastal areas, mountainous terrain, exposure class IV per EN 1991-1-4), suction forces may exceed 1600 Pa, requiring additional structural engineering calculations and reinforced mounting hardware, which increases BIPV BoS costs.

Module weight 24.5 kg — higher structural load requirements

The dual-glass construction (2+2 mm) yields a module weight of 24.5 kg per the LS-TA2 datasheet — approximately 15–20% heavier than equivalent-wattage standard ALU-framed mono modules (~20–22 kg). For carport and pergola BIPV installations, this necessitates heavier steel or aluminum profiles, adding an estimated 5–10% to BoS costs compared to lighter solutions.

Notes from the database
  • Efficiency of 22.8% is 0.7pp below the Back Contact 450-500W median (23.5%)
  • 227.7 W/m² power density is 7.5 W/m² below Back Contact 450-500W median (235.2 W/m²) - requires larger installation area
  • Temperature coefficient of -0.29%/°C is 0.03pp worse than Back Contact 450-500W median (-0.26%/°C) - higher losses in summer heat
  • Weight of 24.5 kg is typical for Back Contact 450-500W panels
  • Bifacial design (78% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof

Specifications

Open datasheet PDF
Nominal power (Pmax) 455 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.80 % Weak Segment median 23.50%
Vmpp · Impp 34.11 V · 13.34 A Operating point at max power
Voc · Isc 40.45 V · 14.24 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 24.5 kg Weak Weak · 1.0 kg above median
Cells 108 · Back Contact Monocrystalline
Bifaciality 78 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Weak bottom 5% of its segment
Coefficient Voc · Isc -0.250 · 0.048 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 398 W guaranteed
Degradation 1.00 → 0.40 % 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
-0.290 %/°C against a segment median of -0.260
-
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
IBC Solar Transparent 455 LS-TA2 455 W 22.80% -0.290 24.5 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +40 W, lighter, +2.0 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +50 W, cooler, +1.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +35 W, lighter, +1.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +45 W, cooler, +1.7 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +45 W, lighter, +1.7 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +45 W, lighter, +1.7 pp
IBC MonoSol 430 MS10-HC-N GEN2 430 W 21.52% -0.300 22.0 kg -25 W, lighter, -1.3 pp
IBC MonoSol 435 MS10-HC-N GEN2 435 W 21.77% -0.300 22.0 kg -20 W, lighter, -1.0 pp
IBC Module White 440 MS-TA1 440 W 22.02% -0.300 21.0 kg -15 W, lighter, -0.8 pp
IBC Module White 445 MS-TA1 445 W 22.27% -0.300 21.0 kg Hotter, lighter, -0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +55 W, cooler, +2.2 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Are IBC Module Transparent panels suitable for carport canopy installations?
Yes, the IBC Module Transparent series is specifically engineered for this application. The glass-glass Back Contact construction allows the modules to serve as a structural overhead covering while transmitting natural daylight below, eliminating the dark-tunnel effect common with opaque panels. The modules generate clean energy while simultaneously functioning as the carport's roofing element, with no additional weatherproofing layer required.
What warranty does the IBC Module Transparent series carry?
IBC Solar provides a 25-year product warranty covering manufacturing defects and a 30-year linear power output warranty on the IBC Module Transparent series. With IBC Solar headquartered in Germany and decades of industry track record, long-term warranty fulfillment is backed by a financially stable manufacturer. This represents one of the longest power warranties available in the premium BIPV module segment.
What is Back Contact cell technology in IBC Module Transparent panels, and what are the real-world benefits?
Back Contact (IBC) places all electrical contacts exclusively on the rear side of the cell, leaving the front face entirely free of busbars. This delivers higher cell efficiency, better performance under diffuse light conditions, and a visually clean, transparent front surface. In BIPV architectural applications, the unobstructed cell face is critical for both aesthetic integration and maximum light transmission through the module.
Does bifacial technology actually add value when IBC Module Transparent panels are installed as a horizontal canopy?
Yes. Bifacial cells in the IBC Module Transparent series capture direct irradiance from above and reflected irradiance from ground surfaces below — concrete, gravel, or paving tiles typical in carport environments. In a horizontal canopy configuration, the rear-side gain typically contributes 5–15% additional annual energy yield compared to monofacial modules, meaningfully improving the system's LCOE over its 30-year warranted lifetime.
What is the peak power of IBC Module Transparent, and how does it compare to other transparent BIPV modules?
The series reaches up to 455 Wp, which is exceptionally high for a semi-transparent BIPV module. Standard semi-transparent BIPV products at comparable transparency levels typically range from 150–300 Wp. The elevated output of IBC Module Transparent is a direct result of the Back Contact architecture, which eliminates busbar shading losses and maximizes the active cell area within the same module footprint.
Can IBC Module Transparent modules be integrated into transparent facades of commercial buildings?
Yes, the series is explicitly designed for transparent BIPV facade integration on commercial buildings. The glass-glass structure meets certified load requirements for wind pressure and mechanical stress, while the adjustable transparency level enables meaningful daylighting for office or retail interiors. This makes IBC Module Transparent a viable premium choice for office buildings, shopping centers, and public-use facilities where architectural aesthetics and on-site energy generation must coexist.
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