---
title: "DAH vs GCL - Brand Comparison | ComparePV"
description: "Compare DAH vs GCL solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/dah-vs-gcl"
image: "https://comparepv.com/og/compare/manufacturers/dah/gcl.png"
---

# DAH vs GCL

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


## The two companies


| Attribute | DAH | GCL |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Hefei | Suzhou/Hong Kong |
| Founded | 2009 | 1990 |
| Employees |  | 6000+ |
| Annual capacity |  | 30+ GW/year |
| Tier 1 | yes | yes |
| Listed |  | Hong Kong Stock Exchange/Shenzhen Stock Exchange: 03800.HK/002506.SZ |
| Website | [https://www.dahsolarpv.com](https://www.dahsolarpv.com) | [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 | DAH | GCL | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 232 | +232 |
| Max Power | 0 W | 740 W | +740 W |
| Avg Power | 0 W | 558 W | +558 W |


## Efficiency


| Measure | DAH | GCL | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.50% |  |
| Avg Efficiency | - | 22.03% |  |


## Reliability & Warranty


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


## Efficiency distribution

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


| Efficiency band | DAH | GCL |
| --- | --- | --- |
| \<20% | 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 | DAH | GCL |
| --- | --- | --- |
| \<400W | 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: TOPCon (47%)


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


## 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

DAH Solar and GCL are both Chinese solar panel manufacturers holding Tier 1 bankable status according to BNEF, but they differ markedly in scale, history, and technology strategy. GCL was founded in 1990 and has grown into one of the world's largest photovoltaic enterprises, with an annual production capacity exceeding 30 GW, a workforce of over 6,000 employees, and dual listings on the Hong Kong Stock Exchange and the Shenzhen Stock Exchange. DAH Solar, established in 2009, is a younger and more focused company that has built its reputation on continuous innovation - holding over 200 patents and maintaining Tier 1 status on the BNEF list through Q4 2025. Both manufacturers offer panels in the high-power segment, with DAH Solar's maximum at 725 Wp and GCL's at 730 Wp, while GCL's average portfolio power of approximately 552 Wp is modestly higher than DAH Solar's 522 Wp.

The two manufacturers diverge clearly in their technology approach. DAH Solar has committed strongly to TOPCon cell technology, which accounts for 81% of its 356-panel catalog, and nearly 89% of its modules are bifacial - figures that position it firmly in the premium, next-generation segment. Its average efficiency of 22.13%, with a maximum of 23.34%, and an average temperature coefficient of -0.298%/°C are particularly well suited to residential rooftop installations and commercial C&I projects where efficiency per square meter and output stability in warm conditions are priorities. The average warranty across its portfolio reaches approximately 29.5 years. GCL's portfolio of 205 models still leans on PERC technology as its most represented cell type at 36%, with bifacial modules accounting for around 61% of its lineup. However, GCL's peak efficiency of 24.06% and massive production scale make it a natural fit for utility-scale ground-mount projects and large-volume procurement, where supply reliability, pricing leverage, and established logistics networks are decisive factors. GCL's average warranty stands at approximately 28.1 years.

For international buyers selecting between the two, the choice largely depends on project type and procurement priority. DAH Solar offers a more technologically advanced and homogeneous portfolio, making it the stronger option for residential and C&I segments where bifacial TOPCon performance and temperature behavior matter. GCL's primary advantage lies in its exceptional production scale and long market track record, making it the preferred partner for developers and EPCs executing large utility-scale pipelines where volume, price, and supply chain continuity are paramount.

Written by claude-sonnet from the figures above.


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