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

# GCL vs AE Solar

AE Solar has the broader catalog (646 vs 232 models). GCL leads on peak efficiency at 24.50%.


## The two companies


| Attribute | GCL | AE Solar |
| --- | --- | --- |
| Country | China | Germany |
| Headquarters | Suzhou/Hong Kong | Gersthofen |
| Founded | 1990 | 2003 |
| Employees | 6000+ | 501-1000 |
| Annual capacity | 30+ GW/year | 2+ GW/year |
| Tier 1 | yes | yes |
| Listed | Hong Kong Stock Exchange/Shenzhen Stock Exchange: 03800.HK/002506.SZ |  |
| Website | [http://www.gcltech.com/](http://www.gcltech.com/) | [https://ae-solar.com](https://ae-solar.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.

AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...


## Catalog & Power


| Measure | GCL | AE Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 232 | 646 | +414 |
| Max Power | 740 W | 730 W | +10 W |
| Avg Power | 558 W | 489 W | +70 W |


## Efficiency


| Measure | GCL | AE Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.50% | 24.43% | +0.07 pp |
| Avg Efficiency | 22.03% | 21.11% | +0.92 pp |


## Reliability & Warranty


| Measure | GCL | AE Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.320%/°C | -0.312%/°C | +0.008 |
| Bifacial Share | 151 (65%) | 405 (63%) | +2 pp |
| Avg Warranty | 28.4 yrs | 29.7 yrs | +1.3 yr |


## Efficiency distribution

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


| Efficiency band | GCL | AE Solar |
| --- | --- | --- |
| \<20% | 2 (0.9%) | 74 (11.5%) |
| 20-21% | 43 (18.5%) | 171 (26.5%) |
| 21-22% | 73 (31.5%) | 142 (22.0%) |
| 22-23% | 48 (20.7%) | 199 (30.8%) |
| 23%+ | 66 (28.4%) | 60 (9.3%) |


## Power distribution

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


| Power band | GCL | AE Solar |
| --- | --- | --- |
| \<400W | 6 (2.6%) | 78 (12.1%) |
| 400-499W | 60 (25.9%) | 329 (50.9%) |
| 500-599W | 63 (27.2%) | 154 (23.8%) |
| 600-699W | 81 (34.9%) | 55 (8.5%) |
| 700W+ | 22 (9.5%) | 30 (4.6%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (54%)


| Technology | GCL | AE Solar |
| --- | --- | --- |
| TOPCon | 108 (46.6%) | 349 (54.0%) |
| PERC | 102 (44.0%) | 245 (37.9%) |
| N-type | 10 (4.3%) | 17 (2.6%) |
| HJT | 7 (3.0%) | 5 (0.8%) |
| BIPV | 5 (2.2%) | 9 (1.4%) |
| Back Contact | 0 | 21 (3.3%) |


## 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 |


## Top panels, AE Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CME-132BDS-730](https://comparepv.com/panel/ae-solar-cme-132bds-730) | 730 | 23.5 | -0.290 | Monocrystalline |
| 2 | [CME-132BDS-730W](https://comparepv.com/panel/ae-solar-cme-132bds-730w) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [CME-132BDS-725](https://comparepv.com/panel/ae-solar-cme-132bds-725) | 725 | 23.4 | -0.290 | Monocrystalline |
| 4 | [CME-132-725W](https://comparepv.com/panel/ae-solar-cme-132-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 5 | [CME-132BDS-725W](https://comparepv.com/panel/ae-solar-cme-132bds-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 6 | [AE CME-132 720](https://comparepv.com/panel/ae-solar-ae-cme-132-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 7 | [CME-132BDS-720](https://comparepv.com/panel/ae-solar-cme-132bds-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 8 | [AE CME-132-720](https://comparepv.com/panel/ae-solar-ae-cme-132-720-1) | 720 | 23.2 | -0.290 | Monocrystalline |
| 9 | [CME-132-720W](https://comparepv.com/panel/ae-solar-cme-132-720w) | 720 | 23.2 | -0.290 | Monocrystalline |
| 10 | [CME-132BDS-720W](https://comparepv.com/panel/ae-solar-cme-132bds-720w) | 720 | 23.2 | -0.290 | Monocrystalline |


## Summary

AE Solar is a German-headquartered manufacturer founded in 2003, recognized by Bloomberg NEF in 2024 as Europe's sole Tier 1 bankable PV module producer. Operating with a production capacity exceeding 2 GW across facilities in China, Georgia, and Turkey, and employing between 501 and 1,000 people, the company has built a quality-focused reputation reinforced by the Kiwa PVEL Top Performer Award in 2025. GCL, by contrast, is a Chinese conglomerate founded in 1990 and listed on both the Hong Kong and Shenzhen stock exchanges. With more than 6,000 employees and a production capacity exceeding 30 GW, GCL ranks among the world's largest solar module manufacturers - its production scale is more than fifteen times that of AE Solar. Both companies carry Tier 1 bankability status, but the gap in industrial footprint is substantial, giving GCL pronounced supply-chain leverage and pricing power across global markets.

AE Solar's portfolio of 442 panels leans strongly toward advanced cell technologies, with TOPCon modules representing nearly 50% of its lineup and bifacial configurations accounting for 63.8% of offerings. Average panel power stands at 496.96 Wp, maximum efficiency reaches 24.43%, and the average product warranty extends to nearly 30 years - a combination that suits residential rooftop installations and small-to-mid commercial projects where long-term performance guarantees and European brand credibility are valued by lenders and end customers alike. GCL's 205-panel catalog is anchored by PERC as its leading cell technology at 36% of the portfolio, but delivers a notably higher average panel power of 551.83 Wp and a slightly higher average efficiency of 21.83%. These characteristics, combined with GCL's massive production volumes, make it well positioned for utility-scale ground-mount projects and large commercial C&I installations where high power-per-panel ratios, competitive cost-per-watt, and reliable bulk availability take precedence. GCL's temperature coefficient of -0.3242%/°C is marginally less favorable than AE Solar's -0.3130%/°C, though the practical difference is small in most operating climates.

For international buyers choosing between the two, the decision hinges largely on project scale and procurement priorities. AE Solar is the stronger fit for European residential and small-to-medium commercial projects where TOPCon technology credentials, warranty depth, and a European-origin brand carry weight with financiers and installers. GCL is better suited for large-scale procurement where the priority is volume availability, competitive pricing, and Tier 1 assurance at industrial capacity.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/gcl-vs-ae-solar

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