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Solarwatt Brand review

Vision 36M glass 180 Wp

180 Wp PERC
ComparePV verdict

Warranty pick, heavy for its output

Rank 13,498 of 14,005
Compare panels Datasheet PDF
Power (Wp)
180
Typical for its class
Efficiency (%)
16.60
Typical · median 16.60%
Density (Wp/m²)
163.6
Typical · median 162.7
Temp (%/°C)
-0.380
Weak · bottom 12%
Weight (kg)
25.0
Weak · 13.7 kg above median
Warranty (yrs)
30
Strong · top 18%

The Solarwatt Vision 36M glass series consists of modules using the glass-glass technology, designed for applications where durability and stable performance over many years are essential. Instead of a traditional backsheet, a laminate made of two layers of glass has been used, which improves resistance to weather conditions and long-term material aging. In practice, this means fewer surprises when operating on roofs, in windy conditions, and on structures exposed to loads.

A key feature of this series is high transparency, making it ideal for BIPV applications such as terrace roofs, carport canopies, pergolas, and skylights, where energy generation is combined with space illumination. The modules utilize monocrystalline cells and PERC technology, which helps maintain good efficiency even in less ideal sunlight conditions. Furthermore, the design provides full protection against PID, which reduces the risk of performance degradation over time and differentiates this series from many standard panels.

Ranking

54 panels in the segment PERC 150-200 W
Metric This panel Median Position in segment Overall rank
Module efficiency 16.60% 16.60% Typical 13,540
Power density 163.6 162.7 Typical 13,580
Temperature coefficient -0.380 -0.370 Weak · bottom 12% 13,397
Weight per kWp 138.9 68.5 Weak · bottom 1% 13,983
Performance warranty 30 yrs 25 yrs Strong · top 18% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 2 caution
Best for

BIPV and residential.

Not ideal for

Weight-limited structures and hot climates.

Strengths
30 year performance warranty

Top 18% of the PERC 150-200 W segment, against a median of 25 yrs.

Watch-outs
138.9 kg per kWp

Bottom 1% of the PERC 150-200 W segment, against a median of 68.5. Ranked 13,983rd in the whole database.

-0.380 %/°C temperature coefficient

Bottom 12% of the PERC 150-200 W segment, against a median of -0.370.

Notes from the database
  • At 16.6% efficiency, this panel is 2.8pp below the PERC 0-400W median of 19.4%
  • 163.6 W/m² power density is 30.8 W/m² below PERC 0-400W median (194.4 W/m²) - requires larger installation area
  • -0.38%/°C temperature coefficient - 0.02pp worse than PERC 0-400W median (-0.36%/°C), expect higher hot weather losses
  • At 25.0 kg, this panel is 4.5 kg heavier than the PERC 0-400W median (20.5 kg) - more demanding for installation crews
  • Ranked #13540 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 180 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 16.60 % Typical Segment median 16.60%
Vmpp · Impp 20.00 V · 9.11 A Operating point at max power
Voc · Isc 24.90 V · 9.63 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1550×710×9 mm · 1.10 m² of roof
Weight 25.0 kg Weak Weak · 13.7 kg above median
Cells 36 · PERC Monocrystalline
Coefficient Pmax -0.380 %/°C Weak bottom 12% of its segment
Coefficient Voc · Isc -0.310 · 0.050 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Strong top 18% · median 25 yrs

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
-0.380 %/°C against a segment median of -0.370
-

Alternatives

All Solarwatt panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Solarwatt Vision 36M glass 180 Wp 180 W 16.60% -0.380 25.0 kg You are here
GKA182M150W 150 W 23.00% - 9.0 kg -30 W, 16 kg lighter, +6.4 pp
GKA182M160W 160 W 23.00% - 9.0 kg -20 W, 16 kg lighter, +6.4 pp
GKA182M180W 180 W 23.00% - 9.0 kg 16 kg lighter, +6.4 pp
GKA182M200W 200 W 23.00% - 9.0 kg +20 W, 16 kg lighter, +6.4 pp
GKA182M135W 135 W 23.00% - 6.1 kg -45 W, 19 kg lighter, +6.4 pp
NS-220MH-80 220 W 22.06% -0.290 10.5 kg Cooler, lighter, +5.5 pp
NS-220MH-80 220 W 22.06% -0.290 10.5 kg Cooler, lighter, +5.5 pp
NS-210MH-80 210 W 21.06% -0.290 10.5 kg Cooler, lighter, +4.5 pp
NS-210MH-80 210 W 21.06% -0.290 10.5 kg Cooler, lighter, +4.5 pp
YH215W-21M 215 W 20.83% -0.340 10.8 kg Cooler, lighter, +4.2 pp
Vision 36M glass 185 Wp 185 W 17.00% -0.380 25.0 kg +0.4 pp
Vision 36M glass 190 Wp 190 W 17.30% -0.380 25.0 kg +10 W, +0.7 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg Cooler, lighter, +6.7 pp
GKA182M285W 285 W 23.00% - 10.8 kg +105 W, lighter, +6.4 pp
GKA182M240W 240 W 23.00% - 10.8 kg +60 W, lighter, +6.4 pp
GKA182M260W 260 W 23.00% - 10.8 kg +80 W, lighter, +6.4 pp

Found 9 panels of the same or similar size to this one, within ±10 mm. See them here Found 9 panels of the same or similar size to this one, within ±25 mm. See them here Found 40 panels of the same or similar size to this one, within ±50 mm. See them here Found 149 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the Solarwatt Vision 36M glass series still available for purchase?
The Solarwatt Vision 36M glass series has been discontinued and is no longer part of the regular distribution channel. Limited stock may still be found with some distributors, but availability is highly restricted. If you require similar features — glass-glass construction, BIPV capability, and a long warranty — it is worth asking about current Solarwatt offerings or comparable modules from other manufacturers.
Why does the Solarwatt Vision 36M glass use glass-glass construction instead of a standard backsheet?
Conventional polymer backsheets yellow, crack, and allow moisture ingress over time, accelerating cell degradation. The Vision 36M glass uses two 4 mm tempered glass panes, which are resistant to humidity, ammonia, and UV radiation, dissipate heat more evenly, and do not develop microcracks. This slower aging profile is what allows Solarwatt to back the module with a full 30-year product and power warranty.
Is the Solarwatt Vision 36M glass suitable for carport canopies or pergolas?
Yes, the Vision 36M glass was specifically designed for BIPV applications such as carport canopies, pergolas, terrace roofing, and skylights. Its high transparency lets diffuse daylight pass through the module, illuminating the space below while generating power. The 1,550×710 mm form factor and a rated suction load of 2,400 Pa (test load 3,600 Pa) make it compatible with many non-standard mounting systems.
What warranty does the Solarwatt Vision 36M glass come with?
Solarwatt backs the Vision 36M glass with a 30-year product warranty and a 30-year power warranty guaranteeing at least 87% of nominal power at the end of the warranty period. This is among the longest warranties in the PV industry and is directly tied to the durability of the glass-glass laminate, which resists long-term degradation far better than standard backsheet modules.
What does PERC technology mean for the Vision 36M glass performance under cloudy skies?
PERC (Passivated Emitter and Rear Cell) adds a passivating layer on the rear of each cell that reflects unabsorbed photons back through the silicon, giving them a second chance to generate current. This improves energy yield under diffuse and low-irradiance conditions typical of northern European climates. In the Vision 36M glass, PERC contributes to a module efficiency of 16.6–17.3% at a peak power of up to 190 Wp.
What are the dimensions and weight of the Solarwatt Vision 36M glass, and is it easy to install?
The Solarwatt Vision 36M glass measures 1,550×710×9 mm and weighs approximately 25 kg. The compact footprint for a 190 Wp module makes positioning straightforward on rooftops or pergola frames. Keep in mind that the glass-glass construction adds some weight compared to equivalent backsheet panels, so the mounting structure should be verified to meet the required load ratings before installation.
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