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

# ARTsolar vs GCL

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


## The two companies


| Attribute | ARTsolar | GCL |
| --- | --- | --- |
| Country | South Africa | China |
| Headquarters | Durban | Suzhou/Hong Kong |
| Founded | 2010 | 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 | [https://www.artsolar.co.za](https://www.artsolar.co.za) | [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 | ARTsolar | 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 | ARTsolar | GCL | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.50% |  |
| Avg Efficiency | - | 22.03% |  |


## Reliability & Warranty


| Measure | ARTsolar | 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 | ARTsolar | 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 | ARTsolar | 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 | ARTsolar | 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

ARTsolar is a South African manufacturer founded in 2011 and headquartered in Pinetown, KwaZulu-Natal, making it the country's only locally owned solar panel producer. Its annual production capacity is reported at up to 300 MW, with the facility engineered to scale to 500 MW given sufficient order security. ARTsolar does not carry an independent BloombergNEF Tier 1 designation but has secured Tier 1-aligned bankability through formal technology and supply partnerships with globally recognized manufacturers including LONGi Solar and JA Solar, with those partners providing certified bill-of-materials oversight and warranty backing. GCL System Integration (GCL-SI), part of the broader GCL Group founded in 1990 and headquartered in Jiangsu, China, is a confirmed BloombergNEF Tier 1 manufacturer and one of the largest module producers in the world by shipment volume, with GW-scale annual output capacity across its Chinese factories. On institutional footprint, global banking familiarity, and supply scale, GCL-SI holds a substantially stronger position.

In terms of product range, ARTsolar focuses primarily on the South African residential and commercial rooftop market, offering modules that include N-type TOPCon variants such as its 500 W module, certified to TUV and SABS standards. GCL-SI has moved decisively away from p-type PERC and now centers its portfolio on N-type TOPCon technology, with recent flagship modules reaching 700 W output and over 22% module efficiency - suited to utility-scale ground-mount and large commercial installations globally. GCL-SI also showcased its GPC2.0 series at Intersolar Europe 2025, featuring a busbar-free cell design and further cost reductions per watt.

For a buyer in South Africa prioritizing local content compliance, SABS certification, or domestic supply-chain resilience, ARTsolar is a rational and increasingly competitive choice. For international, utility-scale, or bankability-critical projects where lender familiarity with the manufacturer matters, GCL-SI is the stronger default. The two brands serve meaningfully different primary contexts rather than being interchangeable.

\---LINKS---

\- https://comparepv.com/reviews/artsolar \| ARTsolar Solar Panels Review 2026 - ComparePV \| review

\- https://www.climatescorecard.org/2025/02/artsolar-in-south-africa/ \| ARTsolar in South Africa - Climate Scorecard \| article

\- https://www.engineeringnews.co.za/article/artsolar-and-ja-solar-driving-south-africas-renewable-energy-revolution-2025-06-12 \| ARTsolar and JA Solar driving South Africa's renewable energy revolution \| article

\- https://a1solarstore.com/blog/gcl-solar-panels-review-ascent.html \| GCL Solar Panels Review: Ascent Series 2025 - A1 SolarStore \| 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 Showcases Innovation Breakthroughs at Intersolar Europe 2025 \| article

Sources:

\- \[ARTsolar Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/artsolar)

\- \[ARTsolar in South Africa - Climate Scorecard\](https://www.climatescorecard.org/2025/02/artsolar-in-south-africa/)

\- \[ARTsolar and JA Solar - Engineering News\](https://www.engineeringnews.co.za/article/artsolar-and-ja-solar-driving-south-africas-renewable-energy-revolution-2025-06-12)

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

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

\- \[GCL-SI Named Tier 1 PV Manufacturer by Bloomberg New Energy Finance\](https://www.prnewswire.com/in/news-releases/gcl-si-named-tier-1-pv-manufacturer-by-bloomberg-new-energy-finance-592124781.html)

\- \[ARTsolar Company Overview - SolarFeeds\](https://www.solarfeeds.com/biz/artsolar-pty-ltd/)

Written by claude-sonnet from the figures above.


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