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

# ARTsolar vs Sunplus

Sunplus has the broader catalog (11 vs 0 models). Sunplus leans bifacial (100% of lineup).


## The two companies


| Attribute | ARTsolar | Sunplus |
| --- | --- | --- |
| Country | South Africa |  |
| Headquarters | Durban |  |
| Founded | 2010 |  |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | no |
| Listed |  |  |
| Website | [https://www.artsolar.co.za](https://www.artsolar.co.za) |  |


## Catalog & Power


| Measure | ARTsolar | Sunplus | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 11 | +11 |
| Max Power | 0 W | 750 W | +750 W |
| Avg Power | 0 W | 670 W | +670 W |


## Efficiency


| Measure | ARTsolar | Sunplus | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.10% |  |
| Avg Efficiency | - | 22.42% |  |


## Reliability & Warranty


| Measure | ARTsolar | Sunplus | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.318%/°C |  |
| Bifacial Share | 0 (0%) | 11 (100%) | +100 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

Sunplus skews to higher efficiency: 55% of lineup is 23%+


| Efficiency band | ARTsolar | Sunplus |
| --- | --- | --- |
| 20-21% | 0 | 3 (27.3%) |
| 21-22% | 0 | 2 (18.2%) |
| 23%+ | 0 | 6 (54.5%) |


## Power distribution

Sunplus offers more 600W+ panels (64% of lineup)


| Power band | ARTsolar | Sunplus |
| --- | --- | --- |
| 500-599W | 0 | 4 (36.4%) |
| 600-699W | 0 | 1 (9.1%) |
| 700W+ | 0 | 6 (54.5%) |


## Cell technology

Dominant cell tech: **HJT** (55%)


| Technology | ARTsolar | Sunplus |
| --- | --- | --- |
| HJT | 0 | 6 (54.5%) |
| PERC | 0 | 5 (45.5%) |


## Top panels, Sunplus


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [750](https://comparepv.com/panel/sunplus-750) | 750 | 24.1 | -0.300 | Monocrystalline |
| 2 | [745](https://comparepv.com/panel/sunplus-745) | 745 | 24.0 | -0.300 | Monocrystalline |
| 3 | [740](https://comparepv.com/panel/sunplus-740) | 740 | 23.8 | -0.300 | Monocrystalline |
| 4 | [735](https://comparepv.com/panel/sunplus-735) | 735 | 23.7 | -0.300 | Monocrystalline |
| 5 | [730](https://comparepv.com/panel/sunplus-730) | 730 | 23.5 | -0.300 | Monocrystalline |
| 6 | [725](https://comparepv.com/panel/sunplus-725) | 725 | 23.3 | -0.300 | Monocrystalline |
| 7 | [SR5-60HBD-600M](https://comparepv.com/panel/sunplus-sr5-60hbd-600m) | 600 | 21.2 | -0.340 | Monocrystalline |
| 8 | [SR5-60HBD-595M](https://comparepv.com/panel/sunplus-sr5-60hbd-595m) | 595 | 21.0 | -0.340 | Monocrystalline |
| 9 | [SR5-60HBD-590M](https://comparepv.com/panel/sunplus-sr5-60hbd-590m) | 590 | 20.8 | -0.340 | Monocrystalline |
| 10 | [SR5-60HBD-585M](https://comparepv.com/panel/sunplus-sr5-60hbd-585m) | 585 | 20.7 | -0.340 | Monocrystalline |


## Summary

Sunplus, operating as Sunplus Optimum Inc, is an internationally oriented PV manufacturer with production and distribution infrastructure spread across Asia, the Americas, and Europe. Founded relatively recently, it targets the North American, Latin American, and Caribbean markets as a growth-stage entrant. The brand self-describes as manufactured under Bloomberg Tier 1 guidelines, though no independent confirmation of a current BNEF Tier 1 listing was found through public sources. ARTsolar, by contrast, was established in 2010 in Durban, South Africa, and holds TUV SUD and ISO certifications. It is South Africa's only locally owned solar module manufacturer and, while not independently Tier 1 rated, functions as a certified OEM partner for Tier 1 brands - most recently agreeing with JA Solar on a 340 MW annual production arrangement reported by pv-magazine in 2025. On institutional depth within its home market, ARTsolar carries the stronger standing.

Sunplus covers a broad wattage range - from roughly 400 W all-black panels aimed at residential rooftops through 550 W bifacial modules suited to commercial installations and up to 695 W large-format bifacial dual-glass panels for utility-scale ground mounts. The brand draws on TOPCon, HJT, and shingled cell technologies. ARTsolar's product mix is concentrated on monocrystalline panels for residential and commercial applications, and a significant share of its output now flows into utility-scale independent power producer programs in South Africa that require demonstrable local content, making compliance as much a product feature as the panel itself. The company has faced operational headwinds in 2025, including workforce reductions and an active court challenge over local content enforcement in South African tenders.

For a buyer outside Africa, Sunplus is the more accessible option given its North American certifications and wider distribution. For a South African project requiring REIPPP-aligned local content, ARTsolar remains the primary domestically manufactured choice, though its recent instability is a factor worth weighing against any long-term warranty claims.

\---LINKS---

\- https://www.pv-magazine.com/2025/06/17/ja-solar-artsolar-agree-to-expand-pv-module-manufacturing-in-south-africa/ \| JA Solar and ARTsolar agree to expand PV manufacturing in South Africa \| article

\- https://www.pv-magazine.com/2026/05/13/artsolar-challenges-local-content-compliance-in-south-african-solar-tenders/ \| ARTsolar challenges local content compliance in South African tenders \| article

\- https://oxpeckers.org/2025/11/solar-court-case/ \| Court case tackles not-so-proudly South African solar power - Oxpeckers \| article

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

\- https://energypal.com/best-solar-panels-for-homes/sun-plus \| Sun Plus solar panels buyer guide - EnergyPal \| review

Sources:

\- \[JA Solar and ARTsolar agree to expand PV module manufacturing in South Africa\](https://www.pv-magazine.com/2025/06/17/ja-solar-artsolar-agree-to-expand-pv-module-manufacturing-in-south-africa/)

\- \[ARTsolar challenges local content compliance in South African solar tenders\](https://www.pv-magazine.com/2026/05/13/artsolar-challenges-local-content-compliance-in-south-african-solar-tenders/)

\- \[Court case tackles not-so-proudly South African solar power - Oxpeckers\](https://oxpeckers.org/2025/11/solar-court-case/)

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

\- \[Sun Plus solar panels buyer guide - EnergyPal\](https://energypal.com/best-solar-panels-for-homes/sun-plus)

Written by claude-sonnet from the figures above.


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- [ARTsolar vs A.B. Energy](https://comparepv.com/artsolar-vs-a-b-energy)
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- [AIKO vs Sunplus](https://comparepv.com/aiko-vs-sunplus)
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- [ASM vs Sunplus](https://comparepv.com/asm-vs-sunplus)


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