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Manufacturer review

Sonnex Energie panels, read off the datasheets

Sonnex Energie has 10 modules in the database, from 415 to 440 Wp.

Everything below is computed from those 10 datasheets: no score out of ten, no ranking of brands against each other, and nothing a manufacturer can pay to change. Where Sonnex Energie does not publish a figure, it is left out of the average rather than assumed.

Panels
10
models in the database
Average efficiency
21.9%
across the catalogue
Best efficiency
22.5%
their strongest module
Power range
415-440 Wp
smallest to largest
Bifacial share
50%
5 dual-sided models
Average warranty
30 years
guaranteed output term
01

The top of the range

The leaders of Sonnex Energie's own catalogue on the two figures a specification sheet leads with. Neither is a verdict: the most efficient module in a range is rarely the one that suits a given roof.

Most efficient module efficiency
1 SNX-D54HN***-M-S (440W) Monocrystalline 440 Wp 22.5% 2 SNX-D54HN***-M-S (435W) Monocrystalline 435 Wp 22.3% 3 SNX-D54HND-435M Monocrystalline bifacial 435 Wp 22.3% 4 SNX-D54HND-430M Monocrystalline bifacial 430 Wp 22.0% 5 SNX-D54HN***-M-S (430W) Monocrystalline 430 Wp 22.0%
Sort the whole catalogue by efficiency
Highest power nameplate output
1 SNX-D54HN***-M-S (440W) Monocrystalline 22.5% 440 Wp 2 SNX-D54HN***-M-S (435W) Monocrystalline 22.3% 435 Wp 3 SNX-D54HND-435M Monocrystalline bifacial 22.3% 435 Wp 4 SNX-D54HN***-M-S (430W) Monocrystalline 22.0% 430 Wp 5 SNX-D54HND-430M Monocrystalline bifacial 22.0% 430 Wp
Sort the whole catalogue by power
02

By what the array is for

Three cuts of the same catalogue, each ordered by efficiency inside its band. An empty column means the brand does not build for that case.

For a house roof 380-460 Wp
1 SNX-D54HN***-M-S (440W) Monocrystalline 440 Wp 22.5% 2 SNX-D54HN***-M-S (435W) Monocrystalline 435 Wp 22.3% 3 SNX-D54HND-435M Monocrystalline bifacial 435 Wp 22.3% 4 SNX-D54HND-430M Monocrystalline bifacial 430 Wp 22.0% 5 SNX-D54HN***-M-S (430W) Monocrystalline 430 Wp 22.0%
For a ground mount dual-sided
1 SNX-D54HND-435M Monocrystalline bifacial 435 Wp 22.3% 2 SNX-D54HND-430M Monocrystalline bifacial 430 Wp 22.0% 3 SNX-D54HND-425M Monocrystalline bifacial 425 Wp 21.8% 4 SNX-D54HND-420M Monocrystalline bifacial 420 Wp 21.5% 5 SNX-D54HND-415M Monocrystalline bifacial 415 Wp 21.2%
03

What the catalogue is made of

Cell technology across the market

Shares are of the 10 modules in the database, counted once each. A power ladder of one module counts as its rungs, which is why a large catalogue is not the same as a wide one.

Cell technology share of the catalogue
TOPCon 100.0% 10
TOPCon accounts for 100.0% of the catalogue - 10 of 10 modules.
Efficiency spread share of the catalogue
21-22% 50.0% 5 22-23% 50.0% 5
04

Strengths and gaps

Both lists are derived from the figures above rather than written about the brand. A gap here is a gap in what is published, which is not always a gap in what is built.

What this catalogue is good at
  • High-efficiency panels available (up to 22.5%)
  • Strong bifacial lineup - 50% of portfolio supports dual-sided generation
  • Strong warranty coverage averaging 30 years
Where it is thin
  • No high-power panels (500W+) available for commercial use
05

In short

Sonnex Energie: Sonnex Energie is a solid option, offering 10 panels suitable for residential installations. With an average efficiency of 21.9% and top models reaching 22.5%, their panels deliver competitive performance.
Common questions
Is Sonnex Energie a good solar panel manufacturer?
Sonnex Energie offers 10 solar panel models with an average efficiency of 21.9%. Check their full panel lineup on ComparePV to find the best model for your needs.
What types of solar panels does Sonnex Energie make?
Sonnex Energie manufactures panels ranging from 415W to 440W, covering both residential and commercial applications. Their portfolio includes TOPCon (100%) cell technologies.
How efficient are Sonnex Energie solar panels?
Sonnex Energie panels have an average efficiency of 21.9%, with their most efficient model reaching 22.5%. This puts them in the competitive range in the current market.
Does Sonnex Energie make bifacial solar panels?
Yes, Sonnex Energie offers 5 bifacial panels, representing 50% of their portfolio. Bifacial panels can generate additional energy from the rear side, making them ideal for ground-mounted systems.
What warranty does Sonnex Energie offer on their solar panels?
Sonnex Energie panels come with an average performance warranty of 30 years. This warranty guarantees that the panels will maintain a specified level of power output over time, protecting your investment against degradation beyond normal levels.
Are Sonnex Energie panels good for residential use?
Sonnex Energie offers panels in the residential-friendly 380-460W range. For home installations, look for models with high efficiency and compact dimensions to maximize power from limited roof space. Browse their full lineup on ComparePV to filter by power range and specifications.
Does Sonnex Energie use TOPCon technology?
Yes, Sonnex Energie has adopted TOPCon (Tunnel Oxide Passivated Contact) cell technology in part of their portfolio. TOPCon cells offer higher efficiency and better temperature performance compared to older PERC technology, making them a strong choice for maximizing energy production.
06

Compared with

Build your own

A brand comparison weighs the two catalogues against each other - what each builds, at what efficiency, and how deep the range goes.

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