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

# A.B. Energy vs Solarwatt

Solarwatt has the broader catalog (44 vs 0 models). Solarwatt leans bifacial (50% of lineup).


## The two companies


| Attribute | A.B. Energy | Solarwatt |
| --- | --- | --- |
| Country | Germany | Germany |
| Headquarters | Wiesbaden | Dresden |
| Founded | 1996 | 1993 |
| Employees | 1,400 |  |
| Annual capacity |  |  |
| Tier 1 |  | no |
| Listed | Xetra, Frankfurt Stock Exchange: AB9 |  |
| Website | [https://abo-energy.com](https://abo-energy.com) | [https://www.solarwatt.com](https://www.solarwatt.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 | A.B. Energy | Solarwatt | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 44 | +44 |
| Max Power | 0 W | 460 W | +460 W |
| Avg Power | 0 W | 385 W | +385 W |


## Efficiency


| Measure | A.B. Energy | Solarwatt | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 23.00% |  |
| Avg Efficiency | - | 20.56% |  |


## Reliability & Warranty


| Measure | A.B. Energy | Solarwatt | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.330%/°C |  |
| Bifacial Share | 0 (0%) | 22 (50%) | +50 pp |
| Avg Warranty | - | 29.0 yrs |  |


## Efficiency distribution

Solarwatt skews to higher efficiency: 2% of lineup is 23%+


| Efficiency band | A.B. Energy | Solarwatt |
| --- | --- | --- |
| \<20% | 0 | 13 (29.5%) |
| 20-21% | 0 | 19 (43.2%) |
| 21-22% | 0 | 2 (4.5%) |
| 22-23% | 0 | 9 (20.5%) |
| 23%+ | 0 | 1 (2.3%) |


## Power distribution


| Power band | A.B. Energy | Solarwatt |
| --- | --- | --- |
| \<400W | 0 | 20 (45.5%) |
| 400-499W | 0 | 24 (54.5%) |


## Cell technology

Dominant cell tech: **PERC** (77%)


| Technology | A.B. Energy | Solarwatt |
| --- | --- | --- |
| PERC | 0 | 34 (77.3%) |
| TOPCon | 0 | 10 (22.7%) |


## Top panels, Solarwatt


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SOLARWATT Panel vision M 5.0 460 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-460-wp) | 460 | 23.0 | -0.290 | Monocrystalline |
| 2 | [SOLARWATT Panel vision M 5.0 455 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-455-wp) | 455 | 22.8 | -0.290 | Monocrystalline |
| 3 | [SOLARWATT Panel vision M 5.0 450 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-450-wp) | 450 | 22.5 | -0.290 | Monocrystalline |
| 4 | [SOLARWATT Panel vision M 5.0 450Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-450wp) | 450 | 22.5 | -0.290 | Monocrystalline |
| 5 | [vision M 5.0 450 Wp](https://comparepv.com/panel/solarwatt-vision-m-5-0-450-wp) | 450 | 22.5 | -0.290 | Monocrystalline |
| 6 | [SOLARWATT Panel vision M 5.0 445 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-445-wp) | 445 | 22.3 | -0.290 | Monocrystalline |
| 7 | [SOLARWATT Panel vision M 5.0 445Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-445wp) | 445 | 22.3 | -0.290 | Monocrystalline |
| 8 | [vision M 5.0 445 Wp](https://comparepv.com/panel/solarwatt-vision-m-5-0-445-wp) | 445 | 22.3 | -0.290 | Monocrystalline |
| 9 | [SOLARWATT Panel vision M 5.0 440Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-440wp) | 440 | 22.0 | -0.290 | Monocrystalline |
| 10 | [vision M 5.0 440 Wp](https://comparepv.com/panel/solarwatt-vision-m-5-0-440-wp) | 440 | 22.0 | -0.290 | Monocrystalline |


## Summary

Solarwatt is a German solar energy company founded in 1993 and headquartered in Dresden, Saxony. For three decades it operated as a domestic manufacturer of solar modules, but in mid-2024 it closed its 300 MW production plant in Dresden, citing unsustainable price competition from Chinese producers, and simultaneously ended German battery production. The company is now repositioning as a full-service energy solutions provider - sourcing panels from Asian manufacturing partners while retaining its brand, software, and energy-management ecosystem in Europe. Solarwatt does not appear on the BloombergNEF Tier 1 module manufacturer list. A.B. Energy srls, by contrast, is an Italian company that describes itself as a distributor and reseller of solar and energy-efficiency equipment rather than a manufacturer. It draws on roughly thirty years of shareholder experience in electrical and electronic equipment and operates mainly within the Italian market. In terms of institutional scale and brand recognition, Solarwatt carries the broader international footprint of the two.

Because Solarwatt has exited direct manufacturing, its current product offering is built around third-party-produced panels marketed under the Solarwatt name together with its proprietary energy-management software and battery storage products, targeting premium residential and small commercial customers who want an integrated system. A.B. Energy takes a multi-brand distribution approach, offering panels from established manufacturers such as REC Solar, JA Solar, Trina Solar, LONGi Solar, and others alongside inverters and storage from SMA, Fronius, SolarEdge, Huawei, and BYD. This positions A.B. Energy as a one-stop local procurement channel rather than a product developer.

For a buyer comparing the two directly, the choice is less about competing panel technologies and more about what kind of relationship they want. Solarwatt suits customers seeking a branded, ecosystem-integrated residential solution with the company's long-standing performance warranty heritage. A.B. Energy suits buyers in Italy who want procurement flexibility across Tier 1 brands with local support. Neither is a clear default winner; they serve meaningfully different roles in the supply chain.

\---LINKS---

\- https://www.pv-magazine.com/2024/04/29/solarwatt-to-close-german-solar-module-factory-in-august/ \| Solarwatt to close German solar module factory in August \| article

\- https://www.pv-tech.org/german-module-manufacturer-solarwatt-to-close-300mw-production-plant-in-august/ \| German module manufacturer Solarwatt to close 300MW production plant \| article

\- https://www.cleanenergywire.org/news/solarwatt-becomes-second-solar-pv-producer-halt-production-germany-2024 \| Solarwatt halts production in Germany 2024 \| article

\- https://www.energysage.com/supplier/22555/solarwatt/ \| Solarwatt profile and reviews - EnergySage \| review

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

Sources:

\- \[Solarwatt to close German solar module factory in August - PV Magazine\](https://www.pv-magazine.com/2024/04/29/solarwatt-to-close-german-solar-module-factory-in-august/)

\- \[German module manufacturer Solarwatt to close 300MW production plant - PV Tech\](https://www.pv-tech.org/german-module-manufacturer-solarwatt-to-close-300mw-production-plant-in-august/)

\- \[Solarwatt becomes second solar PV producer to halt production in Germany in 2024 - Clean Energy Wire\](https://www.cleanenergywire.org/news/solarwatt-becomes-second-solar-pv-producer-halt-production-germany-2024)

\- \[Solarwatt Profile & Reviews - EnergySage\](https://www.energysage.com/supplier/22555/solarwatt/)

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

Written by claude-sonnet from the figures above.


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