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RedSolar CETC-455TR(GDF)/96
RedSolar Brand review

CETC-455TR(GDF)/96

455 Wp TOPCon Bifacial 2500%
ComparePV verdict

Middle of its segment, weak in heat

Rank 8,621 of 14,005
Compare panels Datasheet PDF
Power (Wp)
455
Typical for its class
Efficiency (%)
22.77
Typical · median 22.52%
Density (Wp/m²)
227.7
Typical · median 225.2
Temp (%/°C)
-0.300
Weak · bottom 20%
Weight (kg)
23.9
Typical · median 24.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The RedSolar N series comprises bifacial modules built on TOPCon technology and rectangular G12R cells, combining high power density with reduced losses under partial shading. The multi-busbar (MBB) structure improves current collection and lowers the risk of microcracks, helping the panels maintain stable output over their entire service life. The bifacial double-glass design captures light reflected from the ground, meaningfully boosting energy yield without expanding the footprint of the installation - a feature especially valuable for solar farms and industrial rooftops, where every extra watt matters. PID-resistant construction and a low linear power decline make the N series a solid choice for investors focused on predictable long-term returns. This quality is backed by a 30-year linear power warranty along with a 12-year product warranty, while CE, ISO, and MCS certifications confirm compliance with international standards. These panels suit installers and commercial project developers who demand high durability and minimal service risk while maximizing output from available mounting space.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.77% 22.52% Typical 3,073
Power density 227.7 225.2 Typical 2,888
Temperature coefficient -0.300 -0.290 Weak · bottom 20% 6,093
Weight per kWp 52.5 52.2 Typical 6,129
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 · 2 caution
Best for

Residential and commercial.

Not ideal for

Hot climates.

Watch-outs
-0.300 %/°C temperature coefficient

Bottom 20% of the TOPCon 450-500 W segment, against a median of -0.290.

What owners get
Dual warranty: 30-year linear, 87.4% power

RedSolar guarantees a minimum of 87.4% of nominal power after 30 years of operation, exceeding the industry-typical standard (25 years / 84.8%) offered by many tier-1 manufacturers. This means a genuinely lower annual power degradation over the module's full service life.

G12R TOPCon cells with MBB technology

The use of rectangular G12R N-type TOPCon cells combined with a multi-busbar (MBB) grid reduces losses under partial shading and lowers the risk of microcracks, resulting in more stable performance parameters compared to older PERC cells.

Bifacial double-glass module design

The bifacial construction with double glass (2 mm) captures light reflected off the ground without increasing the installed footprint, which is particularly valuable on bright industrial rooftops or ground-mounted PV farms.

High efficiency on par with segment leaders

Efficiency of up to 22.77% matches the LEDVANCE M435~455N54LB-SF-F7 module and is only marginally below the Sunlike Solar SKT420~455M10-108D6 (22.8%), placing the N series among the top-tier comparable modules in the 435-455 Wp range.

Low power temperature coefficient

A Pmax temperature coefficient of -0.3%/°C outperforms the typical -0.35%/°C found in competing PERC modules, meaning lower power losses at high operating temperatures on roofs or PV farms.

Trade-offs
No confirmed BNEF Tier-1 status

Available sources (including the ENF Solar datasheet aggregator) provide no independent verification of RedSolar's Tier-1 manufacturer status or third-party lab test results (e.g., PVEL, TÜV), unlike well-established brands in the peer comparable set such as LEDVANCE. This may require additional due diligence for bank-financed commercial projects.

Notes from the database
  • At 22.8% efficiency, this panel is on par with typical TOPCon 450-500W modules
  • At 227.7 W/m² power density, roof space requirements are typical for TOPCon 450-500W panels
  • At -0.30%/°C, hot weather performance is typical for TOPCon 450-500W panels
  • In the top 22% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 455 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.77 % Typical Segment median 22.52%
Vmpp · Impp 29.45 V · 15.45 A Operating point at max power
Voc · Isc 34.80 V · 16.29 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 23.9 kg Typical Typical · median 24.0 kg
Cells 96 · TOPCon Monocrystalline
Bifaciality 2500 % Rear output as a share of front
Coefficient Pmax -0.300 %/°C Weak bottom 20% of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 12 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

Datasheet charts

Open datasheet PDF

Measured curves published by RedSolar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 455 Wp appear here. The rest cover the whole series.

Excellent Power Guarantee Excellent Power Guarantee Whole series I-V Curves of PV Module I-V Curves of PV Module 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
-0.300 %/°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.

Alternatives

All RedSolar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
RedSolar CETC-455TR(GDF)/96 455 W 22.77% -0.300 23.9 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +40 W, cooler, +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, cooler, +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, cooler, +1.7 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +45 W, cooler, +1.7 pp
CETC-435TR(GDF)/96 435 W 21.77% -0.300 23.9 kg -20 W, -1.0 pp
CETC-440TR(GDF)/96 440 W 22.02% -0.300 23.9 kg -15 W, -0.8 pp
CETC-445TR(GDF)/96 445 W 22.27% -0.300 23.9 kg -10 W, -0.5 pp
CETC-450TR(GDF)/96 450 W 22.52% -0.300 23.9 kg -0.2 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
How does the TOPCon cell technology used in RedSolar's N series differ from conventional PERC panels?
TOPCon (Tunnel Oxide Passivated Contact) is a newer cell generation that reduces carrier recombination through an additional passivation layer beneath the metal contacts. In practice, this delivers higher cell efficiency and a lower power degradation rate compared to conventional PERC. The N series combines this technology with rectangular G12R cells, achieving up to 455 Wp while maintaining stable output throughout the module's service life.
Do the bifacial panels in the N series actually deliver a higher energy yield?
Yes, the bifacial construction with double glass allows the module to capture light reflected from the ground, roof, or a bright surface beneath the installation, boosting energy output without increasing the mounting footprint. The actual gain depends on ground albedo and mounting height - on light gravel or roofing membrane, it can add anywhere from a few to over ten percent more energy than a monofacial module of the same nominal power.
What warranty comes with RedSolar's N series panels?
The manufacturer offers a 12-year product warranty covering material and workmanship defects, along with a 30-year linear power warranty guaranteeing a low, predictable decline in output over time. This is a premium-tier standard aimed at commercial installations and PV farms, where long-term power output stability directly affects return on investment.
Are N series panels better suited for rooftop or ground-mount installations?
Thanks to bifacial technology and high unit power up to 455 Wp, the N series performs best on large, flat industrial rooftops and ground-mounted PV farms, where the module can fully capture light reflected off the ground. On sloped roofs with limited clearance beneath the module, the bifacial advantage is reduced, though the panel still delivers strong power density per unit of area.
Does the multi-busbar (MBB) structure in RedSolar N panels affect module durability?
Yes, the multi-busbar (MBB) structure spreads current across more thin conductive paths, reducing mechanical stress on individual cells and lowering the risk of microcracks during transport, installation, or thermal cycling. It also improves current collection even if a cell is partially damaged, resulting in more stable module performance over the panel's lifetime.
Are N series panels resistant to PID degradation and suitable for large commercial installations?
Yes, N series modules feature PID-resistant (Potential Induced Degradation) construction, addressing power loss caused by voltage potential differences in the long module strings typical of commercial installations and PV farms. Combined with CE, ISO, and MCS certifications and a 30-year linear power warranty, these panels target investors and developers prioritizing minimal service risk and predictable long-term performance.
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