---
title: "Sonnex Energie vs A.B. Energy - Brand Comparison | ComparePV"
description: "Compare Sonnex Energie vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/sonnex-energie-vs-a-b-energy"
---

# Sonnex Energie vs A.B. Energy

Sonnex Energie has the broader catalog (10 vs 0 models). Sonnex Energie leans bifacial (50% of lineup).


## The two companies


| Attribute | Sonnex Energie | A.B. Energy |
| --- | --- | --- |
| Country |  | Germany |
| Headquarters |  | Wiesbaden |
| Founded |  | 1996 |
| Employees |  | 1,400 |
| Annual capacity |  |  |
| Tier 1 | no |  |
| Listed |  | Xetra, Frankfurt Stock Exchange: AB9 |
| Website |  | [https://abo-energy.com](https://abo-energy.com) |

ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy...


## Catalog & Power


| Measure | Sonnex Energie | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 10 | 0 | +10 |
| Max Power | 440 W | 0 W | +440 W |
| Avg Power | 428 W | 0 W | +428 W |


## Efficiency


| Measure | Sonnex Energie | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.50% | - |  |
| Avg Efficiency | 21.89% | - |  |


## Reliability & Warranty


| Measure | Sonnex Energie | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.315%/°C | - |  |
| Bifacial Share | 5 (50%) | 0 (0%) | +50 pp |
| Avg Warranty | 30.0 yrs | - |  |


## Efficiency distribution


| Efficiency band | Sonnex Energie | A.B. Energy |
| --- | --- | --- |
| 21-22% | 5 (50.0%) | 0 |
| 22-23% | 5 (50.0%) | 0 |


## Power distribution


| Power band | Sonnex Energie | A.B. Energy |
| --- | --- | --- |
| 400-499W | 10 (100.0%) | 0 |


## Cell technology

Dominant cell tech: **TOPCon** (100%)


| Technology | Sonnex Energie | A.B. Energy |
| --- | --- | --- |
| TOPCon | 10 (100.0%) | 0 |


## Top panels, Sonnex Energie


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SNX-D54HN\*\*\*-M-S (440W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-440w) | 440 | 22.5 | -0.310 | Monocrystalline |
| 2 | [SNX-D54HN\*\*\*-M-S (435W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-435w) | 435 | 22.3 | -0.310 | Monocrystalline |
| 3 | [SNX-D54HND-435M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-435m) | 435 | 22.3 | -0.320 | Monocrystalline |
| 4 | [SNX-D54HN\*\*\*-M-S (430W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-430w) | 430 | 22.0 | -0.310 | Monocrystalline |
| 5 | [SNX-D54HND-430M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-430m) | 430 | 22.0 | -0.320 | Monocrystalline |
| 6 | [SNX-D54HN\*\*\*-M-S (425W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-425w) | 425 | 21.8 | -0.310 | Monocrystalline |
| 7 | [SNX-D54HND-425M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-425m) | 425 | 21.8 | -0.320 | Monocrystalline |
| 8 | [SNX-D54HND-420M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-420m) | 420 | 21.5 | -0.320 | Monocrystalline |
| 9 | [SNX-D54HN\*\*\*-M-S (420W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-420w) | 420 | 21.5 | -0.310 | Monocrystalline |
| 10 | [SNX-D54HND-415M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-415m) | 415 | 21.2 | -0.320 | Monocrystalline |


## Summary

Sonnex Energie is a German solar module manufacturer with an annual production capacity of over 2 GW, positioning it as a mid-tier volume producer by global standards. It does not currently appear on BloombergNEF's Tier 1 bankability list, and unlike A.B. Energy it carries no public stock exchange listing. A.B. Energy - founded in 1996 and headquartered in Germany - trades on the Xetra and Frankfurt Stock Exchange under the ticker AB9, with roughly 1,400 employees and revenues of 446 million euros in 2024. Critically, however, A.B. Energy is a renewable energy project developer and operator (wind, solar, battery storage, and hydrogen), not a panel manufacturer. That distinction makes a direct product comparison difficult: Sonnex Energie ships modules, while A.B. Energy commissions and manages energy assets. In terms of institutional footprint and capital access, A.B. Energy's listed status and multi-decade track record give it the stronger financial standing.

Sonnex Energie's portfolio of 10 modules is built entirely on N-type TOPCon cell technology, with an average output of 427.5 Wp and a peak of 440 Wp. Average module efficiency across the lineup sits at 21.892%, with the top performer reaching 22.5% - competitive numbers for residential and light-commercial applications. Half the portfolio is bifacial, and the temperature coefficient averages a solid -0.315%/degC, meaning modest performance loss under heat. A 30-year product and power warranty rounds out a specification sheet suited to premium residential rooftops or quality-conscious small commercial installations. A.B. Energy carries zero panel products in its portfolio by design: its solar business revolves around developing and selling large-scale utility projects, with a pipeline exceeding 9,000 MW, rather than supplying modules to end buyers.

For a buyer sourcing panels in 2025, Sonnex Energie is the only relevant choice between these two, since A.B. Energy does not sell solar modules. Sonnex's TOPCon lineup, with efficiencies above 22% and a 30-year warranty, is a reasonable option for installers serving residential and boutique commercial clients - though its non-Tier-1 status means project finance lenders may require additional due diligence. Any buyer needing utility-scale project development, land permits, or grid connections would look to A.B. Energy's services instead. The two companies occupy non-overlapping parts of the solar value chain and are not meaningfully interchangeable for the same use case.

\---LINKS---

\- https://www.enfsolar.com/sonnex-energie \| Sonnex Energie GmbH solar panel directory and specs - ENF Solar \| review

\- https://stockanalysis.com/quote/etr/AB9/company/ \| A.B. Energy (ETR:AB9) company profile - Stock Analysis \| article

\- https://www.aboenergy.com/en/media-center/press/2025/2025-03-31\_annual\_report\_2024.html \| ABO Energy Annual Report 2024 - revenue and project pipeline \| article

\- https://www.sonnexenergie.com/news/28.html \| Sonnex Energie new TOPCon module release announcement \| article

Sources:

\- \[Sonnex Energie GmbH - ENF Solar\](https://www.enfsolar.com/sonnex-energie)

\- \[ABO Energy (ETR:AB9) Company Profile - Stock Analysis\](https://stockanalysis.com/quote/etr/AB9/company/)

\- \[ABO Energy Annual Report 2024\](https://www.aboenergy.com/en/media-center/press/2025/2025-03-31\_annual\_report\_2024.html)

\- \[Sonnex Energie TOPCon Module Announcement\](https://www.sonnexenergie.com/news/28.html)

\- \[ABO Energy Wikipedia\](https://en.wikipedia.org/wiki/ABO\_Energy)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Sonnex Energie vs AE Solar](https://comparepv.com/sonnex-energie-vs-ae-solar)
- [AEET vs A.B. Energy](https://comparepv.com/aeet-vs-a-b-energy)
- [Sonnex Energie vs AIKO](https://comparepv.com/sonnex-energie-vs-aiko)
- [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy)
- [Sonnex Energie vs ARTsolar](https://comparepv.com/sonnex-energie-vs-artsolar)
- [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy)


---

Source: https://comparepv.com/sonnex-energie-vs-a-b-energy

Not in this file, on the page: the distributions above drawn as charts.