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Luxen Solar Energy Brand review

LNET-670M

670 Wp PERC
ComparePV verdict

Efficiency leader, short guarantee

Rank 3,373 of 14,005
Compare panels Datasheet PDF
Power (Wp)
670
Strong · top 18%
Efficiency (%)
21.60
Strong · top 13%
Density (Wp/m²)
215.7
Strong · top 18%
Temp (%/°C)
-0.340
Typical · median -0.340
Weight (kg)
34.0
Typical · median 34.5 kg
Warranty (yrs)
25
Weak · bottom 21%

The Luxen Solar LUXPOWER SERIES 6 is an advanced solution based on Gallium-doped cell technology, which effectively eliminates the problem of light-induced degradation (LID), ensuring stable performance for decades. Thanks to the use of Half-Cut design and multi-busbar technology, these modules minimize resistive losses and perform significantly better in partial shading conditions, which is crucial for Polish rooftop installations. This series stands out with its high energy conversion efficiency, allowing for maximum utilization of limited roof space and generating more kilowatt-hours from every square meter. It is an ideal choice for investors seeking a balance between modern technology and durability, as the panels demonstrate increased resistance to extreme mechanical loads, such as heavy snow or strong winds. Compared to older solutions, LUXPOWER SERIES 6 offers a more favorable temperature coefficient, which translates into real-world higher yields on hot summer days. This product is dedicated to both individual prosumers and large commercial projects where a fast return on investment and long-term component reliability are key. By choosing this series, the investor receives a system that optimizes electricity production while maintaining high aesthetics and durability.

Ranking

320 panels in the segment PERC 650-700 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.60% 21.25% Strong · top 13% 7,652
Power density 215.7 212.5 Strong · top 18% 7,644
Temperature coefficient -0.340 -0.340 Typical 8,778
Weight per kWp 50.7 52.3 Typical 4,151
Performance warranty 25 yrs 30 yrs Weak · bottom 21% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

7 positive · 4 caution
Best for

Residential, commercial, utility-scale and shaded-installations.

Not ideal for

Owners who want a long output guarantee.

Strengths
21.60% module efficiency

Top 13% of the PERC 650-700 W segment, against a median of 21.25%.

215.7 watts per square metre

Top 18% of the PERC 650-700 W segment, against a median of 212.5.

Watch-outs
25 year performance warranty

Bottom 21% of the PERC 650-700 W segment, against a median of 30 yrs.

What owners get
Efficiency matching segment leaders

Maximum efficiency of 21.73% ties the top peer comparables (Neo Solar Power NESE 655-675-66MHT-G12, BYD AURO MSTK-33) and exceeds Q.PEAK DUO ML-G12S (21.70%), placing the series among the top performers in the 655-675 Wp module class.

Gallium-doped cells reduce LID

Gallium-doped silicon instead of conventional boron doping eliminates light-induced degradation (LID), delivering more stable early-life energy yield compared to older boron-doped modules.

Half-cut construction with multi-busbar

Half-cut cell layout combined with multi-busbar interconnection reduces resistive losses and improves shade tolerance - a relevant advantage for typical Polish rooftop obstructions such as chimneys, dormers, and antennas.

Tier-1 BNEF manufacturer since 2022

Luxen Solar Energy, operating since 2005, has held Tier-1 status per BloombergNEF continuously since 2022, confirming financial bankability behind the 25-year linear power warranty.

Enhanced mechanical load resistance

The manufacturer states increased resistance to snow and wind loads, which is directly relevant for Polish installations where sustained snow accumulation on pitched roofs is a common structural stress factor.

Trade-offs
PERC technology, not TOPCon

Luxen Solar already offers a newer N6 series based on N-type TOPCon cells (e.g., 685-705 Wp), while Series 6 relies on older PERC technology, which typically has a higher temperature coefficient and is being phased out of the premium segment in favor of N-type.

Product warranty shorter than some competitors

12-15 years product warranty is standard for PERC but falls below the same manufacturer's TOPCon offerings (up to 20-30 years), creating an asymmetry with the 25-year linear power warranty.

Monofacial-only variant

The series has no bifacial option, while some competing models in this class (certain BYD AURO and NESE variants) are available in bifacial configurations that can add an extra 3-8% yield from albedo - unavailable here.

Notes from the database
  • At 21.6% efficiency, this panel is on par with typical PERC 650-700W modules
  • At 215.7 W/m² power density, this panel generates 3.2 W/m² more per unit area than PERC 650-700W median (212.5 W/m²)
  • Temperature coefficient of -0.34%/°C matches the PERC 650-700W median
  • Ranked #7652 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 670 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.60 % Strong Segment median 21.25%
Vmpp · Impp 38.22 V · 17.53 A Operating point at max power
Voc · Isc 45.71 V · 18.78 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×35 mm · 3.11 m² of roof
Weight 34.0 kg Typical Typical · median 34.5 kg
Cells 132 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Typical median -0.340 of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 21% · median 30 yrs
End-of-warranty output 84.8 % Equals 550 W guaranteed
Degradation 2.00 → 0.55 % 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
-0.340 %/°C against a segment median of -0.340
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Luxen Solar Energy LNET-670M 670 W 21.60% -0.340 34.0 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +3.6 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg Cooler, lighter, +3.6 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg Cooler, lighter, +3.4 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +3.4 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg Cooler, +3.4 pp, +5 yr warranty
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg Cooler, +3.3 pp, +5 yr warranty
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg Cooler, lighter, +3.2 pp
LNET-655M 655 W 21.09% -0.340 34.0 kg -15 W, -0.5 pp
LNET-660M 660 W 21.25% -0.340 34.0 kg -10 W, -0.4 pp
LNET-665M 665 W 21.41% -0.340 34.0 kg Very close match
LNET-675M 675 W 21.73% -0.340 34.0 kg Very close match
LNET-685N 685 W 22.05% -0.290 34.0 kg Cooler, +0.4 pp, +5 yr warranty
LNET-690N 690 W 22.21% -0.290 34.0 kg Cooler, +0.6 pp, +5 yr warranty
LNET-695ND 695 W 22.37% -0.300 38.5 kg Cooler, heavier, +5 yr warranty
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +135 W, cooler, +3.5 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +130 W, cooler, +3.3 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
What is Gallium-doped cell technology in the Luxen LUXPOWER SERIES 6 and how does it prevent LID degradation?
The LUXPOWER SERIES 6 uses PERC cells made from gallium-doped silicon instead of traditional boron-doped wafers. Boron forms defect complexes under light exposure, causing Light-Induced Degradation (LID) that permanently reduces output in the first weeks of operation. Gallium eliminates this mechanism, ensuring stable power production throughout the module's entire service life. This directly translates into a higher actual annual energy yield compared to boron-based PERC cells.
What warranty does Luxen Solar offer on the LUXPOWER SERIES 6 series?
Luxen Solar provides a 15-year product warranty on the LUXPOWER SERIES 6, covering manufacturing defects and material failures. A separate 25-year linear power output warranty guarantees the panel retains at least 80.7% of its rated power after a quarter century of operation. These warranty terms are a key input when calculating return on investment and the LCOE (Levelized Cost of Energy) for both residential and commercial PV projects.
Do Luxen LUXPOWER SERIES 6 panels handle partial shading — for example from a chimney or dormer window?
Yes. The half-cut PERC cell layout splits each cell in half, reducing operating current and resistive losses. Shading one cell group has a far smaller impact on total module output compared to standard full-cell panels. The multi-busbar design further shortens current paths, cutting resistive losses even more. The LUXPOWER SERIES 6 is therefore well-suited for rooftops with chimneys, dormers, or satellite dishes that cause partial shading — a common challenge in Polish residential installations.
How does the Luxen LUXPOWER SERIES 6 675W panel perform during hot summer days in Poland?
All solar panels lose power as temperature rises, but the LUXPOWER SERIES 6 features a favorable temperature coefficient of Pmax around -0.35%/°C, typical of modern gallium-doped PERC cells. At a module temperature of 70°C — common on sunny summer afternoons in Central Europe — power losses are approximately 15–17% rather than the 20%+ seen with older technologies. This results in measurably higher annual energy yield, especially in the more sun-intensive southern regions of Poland.
Is the Luxen LUXPOWER SERIES 6 suitable for large commercial installations and utility-scale PV projects?
Yes. With a maximum power output of 675W, fewer modules are needed to reach a target system capacity, directly lowering Balance of System (BoS) costs — fewer mounting structures, less cabling, and reduced installation labor. Luxen Solar holds Tier 1 manufacturer status, which simplifies project financing through banks and investment funds. The series is engineered for both individual prosumers and large-scale commercial projects where fast ROI and long-term component reliability are critical.
What mechanical loads can Luxen LUXPOWER SERIES 6 panels withstand — are they suitable for Polish winter conditions?
The LUXPOWER SERIES 6 is rated for enhanced mechanical load resistance, typically certified to 5400 Pa snow load and 2400 Pa wind load — equivalent to tens of centimeters of wet snow encountered in the mountainous regions of Poland. The half-cut cell structure distributes mechanical stress across the module surface, reducing the risk of micro-cracks during rapid temperature swings caused by freeze-thaw cycles typical of Polish winters.
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