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Sunpro Power SPDG450-N108R10
Sunpro Power Brand review

SPDG450-N108R10

450 Wp TOPCon Bifacial 1500%
ComparePV verdict

Middle of its segment, weak in heat

Rank 6,157 of 14,005
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 9%
Efficiency (%)
22.52
Typical · median 22.52%
Density (Wp/m²)
225.2
Typical · median 225.2
Temp (%/°C)
-0.300
Weak · bottom 20%
Weight (kg)
23.8
Typical · median 24.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Sunpro TOPCon 186.8R BIFACIAL series redefines performance standards in modern photovoltaics by integrating rectangular N-type cells with an advanced bifacial design. The use of TOPCon cell technology allows for higher efficiency while reducing losses related to high operating temperatures. This solution perfectly addresses the needs of investors struggling with limited space, offering more power from every square meter of roof or ground. A key advantage of the series is bifacial energy generation (Bifacial), which enables the acquisition of additional power from radiation reflected from the ground, significantly increasing the profitability of projects on bright surfaces or in east-west installations. Thanks to minimal LID and LeTID degradation rates, these modules guarantee stable production over a long-term horizon, setting them apart from standard P-type solutions. The use of the rectangular 186.8R cell format allows for better utilization of the module surface and optimization of electrical parameters. This equipment is dedicated to demanding solar farms and commercial installations, where the priority is the highest return on investment and reliability in variable weather conditions typical of the Polish climate.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.52% 22.52% Typical 4,108
Power density 225.2 225.2 Typical 4,225
Temperature coefficient -0.300 -0.290 Weak · bottom 20% 6,093
Weight per kWp 52.9 52.2 Typical 6,600
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 · 1 caution
Best for

Commercial and hot-climate.

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.

Notes from the database
  • At 22.5% efficiency, this panel is on par with typical TOPCon 450-500W modules
  • Power density of 225.2 W/m² matches the TOPCon 450-500W median
  • Temperature coefficient of -0.30%/°C matches the TOPCon 450-500W median
  • #4108 for efficiency, #6093 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.52 % Typical Segment median 22.52%
Vmpp · Impp 32.98 V · 13.65 A Operating point at max power
Voc · Isc 39.63 V · 14.21 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 23.8 kg Typical Typical · median 24.0 kg
Cells 108 · TOPCon Monocrystalline
Bifaciality 1500 % Rear output as a share of front
Coefficient Pmax -0.300 %/°C Weak bottom 20% of its segment
Coefficient Voc · Isc -0.250 · 0.046 %/°C
NOCT 45 °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 393 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Sunpro Power in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 450 Wp appear here. The rest cover the whole series.

30-Year Linear Power Degradation Curve (99% → 87.4%) 30-Year Linear Power Degradation Curve (99% → 87.4%) 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.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Sunpro Power SPDG450-N108R10 450 W 22.52% -0.300 23.8 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +45 W, cooler, +2.3 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +40 W, cooler, +2.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +2.0 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +2.0 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +2.0 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, cooler, +2.0 pp
SPDG435-N108R10 435 W 21.77% -0.300 23.8 kg -15 W, -0.8 pp
SPDG440-N108R10 440 W 22.02% -0.300 23.8 kg -10 W, -0.5 pp
SPDG445-N108R10 445 W 22.27% -0.300 23.8 kg -0.2 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +60 W, cooler, +2.5 pp
LR7-54HJD-505M 505 W 24.70% -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 TOPCon cell technology in the Sunpro 186.8R panels differ from standard PERC cells?
TOPCon (Tunnel Oxide Passivated Contact) cells use an additional passivation oxide layer that reduces electron recombination on the rear surface of the cell. This gives Sunpro 186.8R panels higher efficiency and lower power losses at high temperatures compared to traditional P-type PERC modules. The result is more stable energy output on hot summer days and slower degradation over time.
How much extra energy does the bifacial design of the Sunpro TOPCon 186.8R actually generate?
The additional yield from the rear side depends on ground albedo, mounting height, and tilt angle, and typically ranges from a few to over ten percent more energy per year. Best results are achieved on high-albedo surfaces, such as gravel or white roofing, and in dual-illuminated setups like elevated ground-mount racks or east-west orientations.
What warranty comes with the Sunpro TOPCon 186.8R BIFACIAL panels?
The manufacturer offers a 25-year product warranty and a 30-year linear power output warranty. This means the module retains a guaranteed percentage of its original performance for three decades, a key factor when calculating return on investment for commercial installations and solar farms.
What is the maximum power output of the Sunpro TOPCon 186.8R, and how many panels are needed for a typical 10 kWp system?
Panels in this series reach up to 450 Wp. For a 10 kWp system, you'll need roughly 22-23 modules, depending on the exact power variant selected. The rectangular 186.8R cell format allows better use of module surface area while keeping a compact footprint.
Are Sunpro TOPCon 186.8R BIFACIAL panels suitable for solar farms and large commercial installations?
Yes, this is the series' primary target segment. High efficiency, low LID and LeTID degradation, and bifacial technology translate into a better LCOE over the system's lifetime. Sunpro Power holds Tier 1 status, which further reduces financial risk on projects requiring bank financing or leasing.
Do Sunpro TOPCon 186.8R modules handle shading and high operating temperatures well?
N-type TOPCon technology has a lower power temperature coefficient than classic P-type panels, limiting output drops during hot weather. Regarding shading, the panels use a standard bypass diode configuration for this series, which minimizes the impact of partial shading on the entire string's output.
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