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

# AEET vs GCL

GCL has the broader catalog (232 vs 5 models). GCL leads on peak efficiency at 24.50%. GCL leans bifacial (65% of lineup).


## The two companies


| Attribute | AEET | GCL |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Suzhou/Hong Kong |
| Founded |  | 1990 |
| Employees |  | 6000+ |
| Annual capacity |  | 30+ GW/year |
| Tier 1 | no | yes |
| Listed |  | Hong Kong Stock Exchange/Shenzhen Stock Exchange: 03800.HK/002506.SZ |
| Website |  | [http://www.gcltech.com/](http://www.gcltech.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.


## Catalog & Power


| Measure | AEET | GCL | Margin |
| --- | --- | --- | --- |
| Panel Models | 5 | 232 | +227 |
| Max Power | 200 W | 740 W | +540 W |
| Avg Power | 190 W | 558 W | +368 W |


## Efficiency


| Measure | AEET | GCL | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 15.70% | 24.50% | +8.80 pp |
| Avg Efficiency | 14.90% | 22.03% | +7.13 pp |


## Reliability & Warranty


| Measure | AEET | GCL | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.320%/°C |  |
| Bifacial Share | 0 (0%) | 151 (65%) | +65 pp |
| Avg Warranty | 25.0 yrs | 28.4 yrs | +3.4 yr |


## Efficiency distribution

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


| Efficiency band | AEET | GCL |
| --- | --- | --- |
| \<20% | 5 (100.0%) | 2 (0.9%) |
| 20-21% | 0 | 43 (18.5%) |
| 21-22% | 0 | 73 (31.5%) |
| 22-23% | 0 | 48 (20.7%) |
| 23%+ | 0 | 66 (28.4%) |


## Power distribution

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


| Power band | AEET | GCL |
| --- | --- | --- |
| \<400W | 5 (100.0%) | 6 (2.6%) |
| 400-499W | 0 | 60 (25.9%) |
| 500-599W | 0 | 63 (27.2%) |
| 600-699W | 0 | 81 (34.9%) |
| 700W+ | 0 | 22 (9.5%) |


## Cell technology

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

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


| Technology | AEET | GCL |
| --- | --- | --- |
| PERC | 5 (100.0%) | 102 (44.0%) |
| TOPCon | 0 | 108 (46.6%) |
| N-type | 0 | 10 (4.3%) |
| HJT | 0 | 7 (3.0%) |
| BIPV | 0 | 5 (2.2%) |


## Top panels, AEET


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SE200M(24)F](https://comparepv.com/panel/aeet-se200m-24-f) | 200 | 15.7 | - | Monocrystalline |
| 2 | [SE195M(24)F](https://comparepv.com/panel/aeet-se195m-24-f) | 195 | 15.3 | - | Monocrystalline |
| 3 | [SE190M(24)F](https://comparepv.com/panel/aeet-se190m-24-f) | 190 | 14.9 | - | Monocrystalline |
| 4 | [SE185M(24)F](https://comparepv.com/panel/aeet-se185m-24-f) | 185 | 14.5 | - | Monocrystalline |
| 5 | [SE180M(24)F](https://comparepv.com/panel/aeet-se180m-24-f) | 180 | 14.1 | - | Monocrystalline |


## 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 is a Chinese solar manufacturer headquartered in China and operating under the GCL System Integration Technology (GCL SI) brand. Founded as part of the broader GCL Group conglomerate, the company has grown into one of the largest solar module producers globally, maintaining BloombergNEF Tier 1 bankability status continuously from at least 2021 through 2024 and ranking in the BNEF Global PV Module Bankability Top 10. Its annual module production capacity is reported at approximately 30 gigawatts, with an additional large-scale factory planned in Hefei. AEET Energy Group GmbH, by contrast, is a Germany-based photovoltaic business registered in Bad Gandersheim, positioning itself primarily as a wholesale distribution and project integration partner rather than a vertically integrated module manufacturer. AEET holds TÜV Rheinland certifications and describes its model as sourcing panels from leading global producers, then offering customers end-to-end consultation, planning, and maintenance. On institutional footprint - production scale, BNEF recognition, and global supply chain depth - GCL holds a clear structural advantage.

GCL's own module catalog spans roughly 380 W to above 680 W and has shifted firmly toward n-type TOPCon cell technology in its most recent product lines, including the GPC2.0 series, which targets utility-scale ground-mount and large commercial rooftop applications where cost-per-watt and bankability with project lenders are the dominant buying criteria. Pricing is highly competitive, with modules reported in the $0.07-0.24 per watt range depending on configuration. AEET's module offering is less clearly defined in public sources; the company appears to bundle third-party panels with project services rather than promoting a distinct proprietary product family, which makes direct cell-technology or efficiency comparisons unreliable without confirmed product-sheet data.

For a typical buyer evaluating 2025 procurement - whether a developer financing a utility project or an EPC sourcing for commercial rooftops - GCL is the more straightforward default given its documented Tier 1 status, established international supply chain, and broad wattage range. AEET may suit buyers in Central Europe who value local wholesale relationships and bundled installation support over manufacturing provenance, but it cannot be evaluated on equivalent terms as a module brand until more transparent product data is publicly available.

\---LINKS---

\- https://www.energysage.com/solar-panels/gcl/ \| GCL Solar Panels - EnergySage profile and buyer data \| 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 at Intersolar Europe 2025 - TOPCon and capacity announcements \| article

\- https://www.enfsolar.com/aeet \| AEET Energy Group GmbH - ENF Solar company profile \| article

\- https://www.aeet-energy.com/en/index.php \| AEET Energy Group GmbH - official wholesale partner site \| article

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

Sources:

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

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

\- \[AEET Energy Group GmbH - ENF Solar\](https://www.enfsolar.com/aeet)

\- \[AEET Energy Group GmbH - official site\](https://www.aeet-energy.com/en/index.php)

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

Written by claude-sonnet from the figures above.


## Other comparisons

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


---

Source: https://comparepv.com/aeet-vs-gcl

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