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

# GCL vs A.B. Energy

GCL has the broader catalog (232 vs 0 models). GCL leans bifacial (65% of lineup).


## The two companies


| Attribute | GCL | A.B. Energy |
| --- | --- | --- |
| Country | China | Germany |
| Headquarters | Suzhou/Hong Kong | Wiesbaden |
| Founded | 1990 | 1996 |
| Employees | 6000+ | 1,400 |
| Annual capacity | 30+ GW/year |  |
| Tier 1 | yes |  |
| Listed | Hong Kong Stock Exchange/Shenzhen Stock Exchange: 03800.HK/002506.SZ | Xetra, Frankfurt Stock Exchange: AB9 |
| Website | [http://www.gcltech.com/](http://www.gcltech.com/) | [https://abo-energy.com](https://abo-energy.com) |

GCL is a global company focusing on green energy and high-efficiency photovoltaic materials. They are known for their innovation in polysilicon and wafer technologies, with a focus on low-carbon solutions. GCL is committed to building a low-carbon PV value chain and advancing global clean energy transformation.

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 | GCL | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 232 | 0 | +232 |
| Max Power | 740 W | 0 W | +740 W |
| Avg Power | 558 W | 0 W | +558 W |


## Efficiency


| Measure | GCL | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.50% | - |  |
| Avg Efficiency | 22.03% | - |  |


## Reliability & Warranty


| Measure | GCL | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.320%/°C | - |  |
| Bifacial Share | 151 (65%) | 0 (0%) | +65 pp |
| Avg Warranty | 28.4 yrs | - |  |


## Efficiency distribution

GCL skews to higher efficiency: 28% of lineup is 23%+


| Efficiency band | GCL | A.B. Energy |
| --- | --- | --- |
| \<20% | 2 (0.9%) | 0 |
| 20-21% | 43 (18.5%) | 0 |
| 21-22% | 73 (31.5%) | 0 |
| 22-23% | 48 (20.7%) | 0 |
| 23%+ | 66 (28.4%) | 0 |


## Power distribution

GCL offers more 600W+ panels (44% of lineup)


| Power band | GCL | A.B. Energy |
| --- | --- | --- |
| \<400W | 6 (2.6%) | 0 |
| 400-499W | 60 (25.9%) | 0 |
| 500-599W | 63 (27.2%) | 0 |
| 600-699W | 81 (34.9%) | 0 |
| 700W+ | 22 (9.5%) | 0 |


## Cell technology

Dominant cell tech: **TOPCon** (47%)


| Technology | GCL | A.B. Energy |
| --- | --- | --- |
| TOPCon | 108 (46.6%) | 0 |
| PERC | 102 (44.0%) | 0 |
| N-type | 10 (4.3%) | 0 |
| HJT | 7 (3.0%) | 0 |
| BIPV | 5 (2.2%) | 0 |


## Top panels, GCL


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [GCL-NT12/66GDF-740](https://comparepv.com/panel/gcl-gcl-nt12-66gdf-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 2 | [GCL-NT12/66GDF-735](https://comparepv.com/panel/gcl-gcl-nt12-66gdf-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 3 | [GCL-NT12/66GDF-730](https://comparepv.com/panel/gcl-gcl-nt12-66gdf-730) | 730 | 23.5 | -0.290 | Monocrystalline |
| 4 | [NT12/66GDF-730](https://comparepv.com/panel/gcl-nt12-66gdf-730) | 730 | 23.5 | -0.290 | Monocrystalline |
| 5 | [GCL-NT12/66GDF-725](https://comparepv.com/panel/gcl-gcl-nt12-66gdf-725) | 725 | 23.3 | -0.290 | Monocrystalline |
| 6 | [NT12/66GDF-725](https://comparepv.com/panel/gcl-nt12-66gdf-725) | 725 | 23.3 | -0.290 | Monocrystalline |
| 7 | [GCL-NT12/66GDF 725](https://comparepv.com/panel/gcl-gcl-nt12-66gdf-725-1) | 725 | 23.3 | -0.290 | Monocrystalline |
| 8 | [GCL-NH12/66GDF-720](https://comparepv.com/panel/gcl-gcl-nh12-66gdf-720) | 720 | 23.2 | -0.240 | Monocrystalline |
| 9 | [GCL-NT12/66GDF-720](https://comparepv.com/panel/gcl-gcl-nt12-66gdf-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 10 | [NT12/66GDF-720](https://comparepv.com/panel/gcl-nt12-66gdf-720) | 720 | 23.2 | -0.290 | Monocrystalline |


## Summary

GCL (GCL System Integration Technology Co., Ltd., also known as GCL-SI) is a Chinese manufacturer headquartered in Jiangsu Province, founded as part of the broader GCL Group that has been active in the energy sector since the 1990s. It holds BloombergNEF Tier 1 recognition and appeared in the BNEF 2024 Global PV Module Bankability Top 10, reflecting strong institutional confidence in its financial and manufacturing stability. Its module production capacity reached approximately 30 GW as of 2023, placing it firmly among China's top-tier producers. A.B. Energy srls, by contrast, is a small Italian company that operates in the energy-efficiency and distribution space, drawing on roughly three decades of shareholder experience in electrical and electronic equipment. No public evidence of independent module manufacturing capacity, BloombergNEF Tier 1 status, or GW-scale production was found for A.B. Energy, suggesting the two companies occupy fundamentally different positions in the solar supply chain - GCL as a globally scaled module manufacturer, A.B. Energy as a regional distributor or solutions provider.

GCL SI offers panels spanning residential, commercial, and utility-scale segments, with rated outputs running from around 380 W up to approximately 680 W across its various product lines. The company has built its mainstream catalog around TOPCon N-type cell technology and, as of Intersolar Europe 2025, is publicly pioneering perovskite and perovskite-silicon tandem modules, setting certified efficiency records in both categories. A.B. Energy's product scope could not be independently confirmed through credible solar-industry sources; available evidence points to a focus on distributing third-party equipment rather than producing a proprietary panel family.

For a typical buyer evaluating these two brands in 2025 - whether for a residential rooftop, a commercial carport, or a utility ground-mount - GCL SI is the more verifiable and bankable choice. Its scale, Tier 1 track record, and documented R-and-D pipeline provide the financial and technical backstop that project lenders and long-term owners require. A.B. Energy may be a legitimate regional partner for specific markets, but the absence of independent coverage makes direct comparison on technology or warranty terms impossible with the information currently available.

\---LINKS---

\- https://www.energysage.com/solar-panels/gcl/ \| GCL solar panels profile and specs - EnergySage \| review

\- https://a1solarstore.com/blog/gcl-solar-panels-review-ascent.html \| GCL solar panels review 2025 - A1 SolarStore \| review

\- https://www.solarchoice.net.au/products/panels/gcl-solar-panels-review/ \| GCL solar panels independent review - Solar Choice \| review

\- https://www.prnewswire.com/news-releases/gcl-si-showcases-multiple-innovation-breakthroughs-at-intersolar-europe-2025-spearheading-the-global-solar-revolution-302450972.html \| GCL SI perovskite breakthroughs at Intersolar Europe 2025 \| article

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

Sources:

\- \[GCL solar panels profile - EnergySage\](https://www.energysage.com/solar-panels/gcl/)

\- \[GCL solar panels review 2025 - A1 SolarStore\](https://a1solarstore.com/blog/gcl-solar-panels-review-ascent.html)

\- \[GCL solar panels independent review - Solar Choice\](https://www.solarchoice.net.au/products/panels/gcl-solar-panels-review/)

\- \[GCL SI Intersolar Europe 2025 press release - PR Newswire\](https://www.prnewswire.com/news-releases/gcl-si-showcases-multiple-innovation-breakthroughs-at-intersolar-europe-2025-spearheading-the-global-solar-revolution-302450972.html)

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

Written by claude-sonnet from the figures above.


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- [GCL vs AE Solar](https://comparepv.com/gcl-vs-ae-solar)
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- [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy)
- [GCL vs ARTsolar](https://comparepv.com/gcl-vs-artsolar)
- [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy)


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

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