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

# Heckert Solar vs A.B. Energy

Heckert Solar has the broader catalog (155 vs 0 models). Heckert Solar leans bifacial (42% of lineup).


## The two companies


| Attribute | Heckert Solar | A.B. Energy |
| --- | --- | --- |
| Country | Germany | Germany |
| Headquarters | Chemnitz | Wiesbaden |
| Founded | 1992 | 1996 |
| Employees | 201 | 1,400 |
| Annual capacity | 0.8 GW/year |  |
| Tier 1 |  |  |
| Listed |  | Xetra, Frankfurt Stock Exchange: AB9 |
| Website | [https://www.heckertsolar.com/en/](https://www.heckertsolar.com/en/) | [https://abo-energy.com](https://abo-energy.com) |

Heckert Solar is a German company based in Chemnitz, Saxony, specializing in the development, production and distribution of solar modules. Founded in 1992, the company has become a leading supplier of photovoltaic products, serving customers in over 120 countries. They manufacture high-quality, durable, and efficient...

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 | Heckert Solar | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 155 | 0 | +155 |
| Max Power | 715 W | 0 W | +715 W |
| Avg Power | 420 W | 0 W | +420 W |


## Efficiency


| Measure | Heckert Solar | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.30% | - |  |
| Avg Efficiency | 21.43% | - |  |


## Reliability & Warranty


| Measure | Heckert Solar | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.318%/°C | - |  |
| Bifacial Share | 65 (42%) | 0 (0%) | +42 pp |
| Avg Warranty | 27.1 yrs | - |  |


## Efficiency distribution

Heckert Solar skews to higher efficiency: 17% of lineup is 23%+


| Efficiency band | Heckert Solar | A.B. Energy |
| --- | --- | --- |
| \<20% | 27 (17.4%) | 0 |
| 20-21% | 54 (34.8%) | 0 |
| 21-22% | 3 (1.9%) | 0 |
| 22-23% | 44 (28.4%) | 0 |
| 23%+ | 27 (17.4%) | 0 |


## Power distribution

Heckert Solar offers more 600W+ panels (5% of lineup)


| Power band | Heckert Solar | A.B. Energy |
| --- | --- | --- |
| \<400W | 64 (41.3%) | 0 |
| 400-499W | 83 (53.5%) | 0 |
| 600-699W | 4 (2.6%) | 0 |
| 700W+ | 4 (2.6%) | 0 |


## Cell technology

Dominant cell tech: **TOPCon** (34%)


| Technology | Heckert Solar | A.B. Energy |
| --- | --- | --- |
| TOPCon | 52 (33.5%) | 0 |
| PERC | 46 (29.7%) | 0 |
| Unknown | 35 (22.6%) | 0 |
| Back Contact | 20 (12.9%) | 0 |
| N-type | 2 (1.3%) | 0 |


## Top panels, Heckert Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ZEUS 2.2 715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 2 | [ZEUS 2.2-715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715-1) | 715 | 23.0 | -0.280 | Monocrystalline |
| 3 | [ZEUS 2.2 710](https://comparepv.com/panel/heckert-solar-zeus-2-2-710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 4 | [ZEUS 2.2-710](https://comparepv.com/panel/heckert-solar-zeus-2-2-710-1) | 710 | 22.9 | -0.280 | Monocrystalline |
| 5 | [ZEUS 2.1-640](https://comparepv.com/panel/heckert-solar-zeus-2-1-640) | 640 | 23.7 | -0.280 | Monocrystalline |
| 6 | [ZEUS 2.1 640W](https://comparepv.com/panel/heckert-solar-zeus-2-1-640w) | 640 | 23.7 | -0.280 | Monocrystalline |
| 7 | [ZEUS 2.1-635](https://comparepv.com/panel/heckert-solar-zeus-2-1-635) | 635 | 23.5 | -0.280 | Monocrystalline |
| 8 | [ZEUS 2.1 635W](https://comparepv.com/panel/heckert-solar-zeus-2-1-635w) | 635 | 23.5 | -0.280 | Monocrystalline |
| 9 | [ZEUS 3.0+ 108 490WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp) | 490 | 24.0 | -0.260 | Monocrystalline |
| 10 | [ZEUS 3.0+ 108 490WP PERFORMANCE](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp-performance) | 490 | 24.0 | -0.260 | Monocrystalline |


## Summary

Heckert Solar is a German manufacturer headquartered in Chemnitz, Saxony, with additional production in Langenwetzendorf, Thuringia. Founded in the 1990s and operating as one of the last remaining "Made in Germany" module producers, the company has a stated production capacity of roughly 400 MWp per year, with publicized plans to expand substantially. Heckert Solar is not prominently listed on current BloombergNEF Tier 1 rosters, which tend to favour high-volume Asian producers, but it is widely cited in the German market as a reliable mid-tier manufacturer with a strong domestic institutional footprint. A.B. Energy SRLS, by contrast, is a small Italian company founded on a background in electrical and electronic equipment. ENF Solar lists it as a seller rather than a volume manufacturer, and its public profile - in industry press, independent reviews, or bankability assessments - is essentially absent. On institutional standing alone, Heckert Solar carries a materially stronger position.

Heckert Solar's product range spans three confirmed families: the NeMo 4.2 series using monocrystalline PERC cells (verified at up to roughly 20.8% module efficiency), the Apollon 1.0 entry into n-type TOPCon (reaching around 22.3%), and the Zeus series - bifacial glass-glass modules combining TOPCon or back-contact cell architecture with efficiencies up to 23.5% and a 30-year product warranty. This makes Heckert well suited to premium residential rooftops and commercial installations in the DACH region where "Made in Germany" provenance is a procurement criterion. A.B. Energy's ENF datasheet references an n-type TOPCon bifacial module, but independent test data, installer reviews, or confirmed delivery volumes are not available in open sources, making a meaningful product-level comparison impossible.

For a typical buyer in 2025 evaluating these two brands, Heckert Solar is the more defensible choice. It has documented production, third-party test results, a confirmed technology roadmap, and a traceable supply chain. A.B. Energy may suit buyers already working within a specific Italian distribution relationship, but the absence of public performance data and bankability signals means it cannot be recommended as a default option without additional due diligence.

\---LINKS---

\- https://www.pv-magazine.com/2021/09/30/heckert-solar-inaugurates-400-mw-solar-panel-factory-in-germany/ \| Heckert Solar inaugurates 400 MW factory in Germany \| article

\- https://comparepv.com/reviews/heckert-solar \| Heckert Solar Panels Review 2026 - Pros, Cons and Specs \| review

\- https://www.enfsolar.com/a-b-energy \| A.B. Energy SRLS - ENF Solar company profile \| article

\- https://www.enfsolar.com/pv/panel-datasheet/crystalline/62342 \| A.B. Energy UL-605-615M TOPCon Bifacial Module datasheet \| article

Sources:

\- \[Heckert Solar inaugurates 400 MW solar panel factory in Germany - pv magazine\](https://www.pv-magazine.com/2021/09/30/heckert-solar-inaugurates-400-mw-solar-panel-factory-in-germany/)

\- \[Heckert Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/heckert-solar)

\- \[A.B. Energy SRLS - ENF Solar\](https://www.enfsolar.com/a-b-energy)

\- \[A.B. Energy TOPCon Bifacial Module datasheet - ENF Solar\](https://www.enfsolar.com/pv/panel-datasheet/crystalline/62342)

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/heckert-solar-vs-a-b-energy

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