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A.B. Energy vs Solar-Fabrik - solar panel manufacturer comparison

A.B. Energy
Germany Founded 1996
Read the A.B. Energy review
VS
Solar-Fabrik
Germany Founded 1996
Read the Solar-Fabrik review
At a glance

Solar-Fabrik has the broader catalog (43 vs 0 models). Solar-Fabrik leans bifacial (100% of lineup).

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
0 43
Highest power
0 Wp 625 Wp
Best efficiency
- 24.3%
Average efficiency
- 22.0%
Bifacial share
0% 100%
Average warranty
- 30 yrs
01

The two companies

Company facts, not datasheet figures
A.B. Energy

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...

Founded
1996
Headquarters
Wiesbaden, Germany
Employees
1,400
Solar-Fabrik

Solar Fabrik is a German family-owned manufacturer of photovoltaic modules, specializing in high-quality glass-glass panels with N-TYPE/TOPCon technology and a 30-year product and performance warranty. Originally founded in Freiburg in 1996 as Solar-Fabrik AG, the brand was revived in 2016 after insolvency and...

Founded
1996
Headquarters
Laufach, Germany
Annual capacity
<1 GW/year
Employees
50-200
02

Catalogue against catalogue

Averages over every model in the database
Metric A.B. Energy Solar-Fabrik
Catalog & Power
Panel Models 0 43+43
Max Power 0 W 625 W+625 W
Avg Power 0 W 450 W+450 W
Efficiency
Max Efficiency - 24.27%
Avg Efficiency - 21.96%
Reliability & Warranty
Avg Temp Coefficient - -0.285%/°C
Bifacial Share 0 (0%) 43 (100%)+100 pp
Avg Warranty - 29.8 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Solar-Fabrik skews to higher efficiency: 49% of lineup is 23%+

Power spread
Share of each catalogue in every power band

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

A.B. Energy cell technology
Share of their models by cell architecture
Solar-Fabrik cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (63%)

04

The flagships

Highest-power models from each brand
A.B. Energy all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

Solar-Fabrik is a German photovoltaic company founded in 1996 by solar pioneer Georg Salvamoser in Freiburg, making it one of the longest-standing module brands in Europe. After transitioning production to China in 2018, the company - which became family-run under Christian Laibacher from 2016 onward - announced a return to domestic manufacturing with the May 2025 groundbreaking of "Factory One," a 300 MW plant in Hosbach near Aschaffenburg, Bavaria, focused on N-type TOPCon and heterojunction (HJT) cell technology. Solar-Fabrik does not currently appear on BloombergNEF Tier 1 lists, which tend to favor high-volume Asian producers, but its German heritage and stated warranty terms of up to 30 years on product and performance reinforce its positioning as a quality-focused European niche brand. A.B. Energy SRLS, by contrast, is an Italian company whose public profile describes it primarily as a distributor and integrator of renewable energy products drawing on roughly 30 years of shareholder experience in the electrical and electronics sector; independent assessments of it as a solar panel manufacturer in its own right are scarce, and no Tier 1 or BloombergNEF bankability status has been identified for the brand.

In terms of product scope, Solar-Fabrik targets residential and small commercial rooftop installations across Europe, with its new factory line emphasizing double-glass N-type TOPCon modules in the 450 W range - a technology well-suited to long-warranty, quality-first buyers seeking European provenance. A.B. Energy's catalog, to the extent it can be assessed from available sources, appears to center on distributing third-party equipment rather than proprietary panel series, which limits meaningful product-level comparison.

For a buyer seeking a solar module from a traceable European brand with verified manufacturing history and a long warranty track record, Solar-Fabrik is the clearer choice heading into 2026. A.B. Energy may suit buyers in Italy looking for local service and turnkey energy solutions, but its standing as an independent panel manufacturer cannot be confirmed from current public sources.

Generated by Claude Sonnet · 2026-06-09

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 13 Solar-Fabrik offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.