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SpolarPV Brand review

SPV660-TG12-132BD

660 Wp TOPCon Bifacial
ComparePV verdict

Middle of its segment, modest efficiency

Rank 3,149 of 14,005
Compare panels Datasheet PDF
Power (Wp)
660
Typical for its class
Efficiency (%)
21.28
Weak · bottom 7%
Density (Wp/m²)
212.7
Weak · bottom 7%
Temp (%/°C)
-0.300
Typical · median -0.290
Weight (kg)
38.0
Weak · 3.4 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The SpolarPV SPV680-TG12-132BD solar panel series sets new efficiency standards in industrial installations, based on ground-breaking N-type TOPCon cell technology. By using large-format 210 mm silicon wafers and a 132 half-cell design, these modules offer impressive power density, which directly translates into reduced costs for mounting structures and cabling. A key advantage is the bifacial dual glass architecture, which enables active energy generation from both sides of the panel, significantly increasing the total annual yield. This solution effectively eliminates PID and LID degradation phenomena, providing investors with a 30-year linear power output warranty. These panels are dedicated to solar farm developers and owners of large commercial facilities, where the priority is maximizing profit from every square meter of surface area. They are distinguished from competing solutions by exceptional low-light efficiency and high resistance to extreme weather conditions, including salt mist and ammonia. The use of multi-busbar technology minimizes internal losses, making this series one of the most stable and profitable choices on the modern photovoltaic market.

Ranking

249 panels in the segment TOPCon 650-700 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.28% 22.40% Weak · bottom 7% 8,795
Power density 212.7 223.7 Weak · bottom 7% 8,718
Temperature coefficient -0.300 -0.290 Typical 6,093
Weight per kWp 57.6 53.2 Weak · bottom 8% 11,284
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

Utility-scale, commercial and shaded-installations.

Not ideal for

Tight roof space, roofs where every square metre has to count and weight-limited structures.

Watch-outs
21.28% module efficiency

Bottom 7% of the TOPCon 650-700 W segment, against a median of 22.40%. Ranked 8,795th in the whole database.

212.7 watts per square metre

Bottom 7% of the TOPCon 650-700 W segment, against a median of 223.7. Ranked 8,718th in the whole database.

57.6 kg per kWp

Bottom 8% of the TOPCon 650-700 W segment, against a median of 53.2. Ranked 11,284th in the whole database.

Notes from the database
  • Module efficiency of 21.3% is 1.1pp below average for TOPCon 650-700W panels (median: 22.4%)
  • Power density of 212.7 W/m² is 11.0 W/m² below TOPCon 650-700W median (223.7 W/m²) - needs more roof space
  • Temperature coefficient of -0.30%/°C matches the TOPCon 650-700W median
  • At 38.0 kg (3.4 kg above TOPCon 650-700W median of 34.6 kg), requires checking roof load capacity
  • #8795 for efficiency, #6093 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 660 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.28 % Weak Segment median 22.40%
Vmpp · Impp 38.81 V · 17.01 A Operating point at max power
Voc · Isc 46.10 V · 17.84 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2383×1302×30 mm · 3.10 m² of roof
Weight 38.0 kg Weak Weak · 3.4 kg above median
Cells 132 · TOPCon Monocrystalline
Coefficient Pmax -0.300 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.275 · 0.045 %/°C
NOCT 45 °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 84.8 % Equals 560 W guaranteed
Degradation 2.00 → 0.46 % 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
-

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
-

Alternatives

All SpolarPV panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SpolarPV SPV660-TG12-132BD 660 W 21.28% -0.300 38.0 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +3.9 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg Cooler, lighter, +3.9 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg Cooler, lighter, +3.7 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +3.7 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +40 W, cooler, +3.7 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +35 W, cooler, +3.6 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg Cooler, lighter, +3.5 pp
SPV665-TG12-132BD 665 W 21.44% -0.300 38.0 kg Very close match
SPV670-TG12-132BD 670 W 21.59% -0.300 38.0 kg +10 W, +0.3 pp
SPV675-TG12-132BD 675 W 21.76% -0.300 38.0 kg +15 W, +0.5 pp
SPV680-TG12-132BD 680 W 21.92% -0.300 38.0 kg +20 W, +0.6 pp
SPV685-TG12-132BD 685 W 22.08% -0.300 38.0 kg +25 W, +0.8 pp
SPV690-TG12-132BD 690 W 22.24% -0.300 38.0 kg +30 W, +1.0 pp
SPV695-TG12-132BD 695 W 22.41% -0.300 38.0 kg +35 W, +1.1 pp
SPV700-TG12-132BD 700 W 22.57% -0.300 38.0 kg +40 W, +1.3 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +145 W, cooler, +3.8 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
Who are the SpolarPV SPV680-TG12-132BD panels designed for and what is their maximum power output?
The SPV680-TG12-132BD series delivers a peak output of 680 Wp and is primarily designed for utility-scale solar farm developers and large commercial facility owners. The large-format 210 mm wafers and 132 half-cut cell layout yield high power density, reducing the total panel count, cutting BoS costs, and simplifying racking structures across large installations.
What warranties apply to the SpolarPV SPV680-TG12-132BD — product and power output?
SpolarPV provides a 12-year product warranty covering material and workmanship defects, plus a separate 30-year linear power output warranty guaranteeing the module retains a specified percentage of its rated capacity over three decades. The N-type TOPCon cell technology and dual glass architecture eliminate PID and LID degradation, making it easier for the manufacturer to honor these long-term commitments compared to standard PERC modules.
What does bifacial dual glass mean in the SPV680-TG12-132BD series and how much extra energy can it realistically generate?
Bifacial dual glass means the module uses transparent glass on both faces, actively generating power from the front (direct irradiance) and the rear (reflected irradiance). Under typical ground-mount conditions with a high-albedo surface such as sand, light gravel, or snow, rear-side energy gain typically ranges from 10 to 25% above the front-side STC figure. The effect is most pronounced in winter when snow cover maximizes ground reflectivity.
Do the SpolarPV SPV680-TG12-132BD panels perform well in overcast conditions and low irradiance?
Yes. N-type TOPCon cells have a lower temperature coefficient and a broader spectral response than older PERC cells, translating into better performance under diffuse, low-light conditions. In practice, on cloudy days or during early morning and late afternoon hours, modules from this series produce more energy than a comparably rated PERC panel, improving overall annual LCOE for the project.
Is SpolarPV a Tier 1 manufacturer and should I be concerned about the quality of the SPV680-TG12-132BD series?
SpolarPV does not appear on the BloombergNEF or PV ModuleTech Tier 1 lists, meaning it is a smaller manufacturer without a track record of bank-financed project securitization. The company has been operating since 2010 and holds IEC 61215, IEC 61730, and TUV certifications. The absence of Tier 1 status does not disqualify the product technically, but it may complicate project financing if your lender requires panels from a Tier 1 supplier — confirm this with your financier before purchasing.
What is TOPCon technology in the SPV680-TG12-132BD series and how does it differ from PERC?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell architecture that uses an ultra-thin tunnel oxide layer and passivating contacts to dramatically reduce carrier recombination. The result is higher efficiency (the SPV680 series achieves approximately 21.9%), better high-temperature performance, and zero susceptibility to PID degradation. Standard PERC cells use a P-type substrate and, under the same operating conditions, typically show lower efficiency and faster long-term power degradation.
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