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

# ARTsolar vs Hiwatt Solar

Hiwatt Solar has the broader catalog (109 vs 0 models). Hiwatt Solar leans bifacial (13% of lineup).


## The two companies


| Attribute | ARTsolar | Hiwatt Solar |
| --- | --- | --- |
| 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 | Hiwatt Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 109 | +109 |
| Max Power | 0 W | 730 W | +730 W |
| Avg Power | 0 W | 476 W | +476 W |


## Efficiency


| Measure | ARTsolar | Hiwatt Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 23.50% |  |
| Avg Efficiency | - | 20.60% |  |


## Reliability & Warranty


| Measure | ARTsolar | Hiwatt Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.340%/°C |  |
| Bifacial Share | 0 (0%) | 14 (13%) | +13 pp |
| Avg Warranty | - | 25.0 yrs |  |


## Efficiency distribution

Hiwatt Solar skews to higher efficiency: 8% of lineup is 23%+


| Efficiency band | ARTsolar | Hiwatt Solar |
| --- | --- | --- |
| \<20% | 0 | 27 (24.8%) |
| 20-21% | 0 | 32 (29.4%) |
| 21-22% | 0 | 27 (24.8%) |
| 22-23% | 0 | 14 (12.8%) |
| 23%+ | 0 | 9 (8.3%) |


## Power distribution

Hiwatt Solar offers more 600W+ panels (18% of lineup)


| Power band | ARTsolar | Hiwatt Solar |
| --- | --- | --- |
| \<400W | 0 | 33 (30.3%) |
| 400-499W | 0 | 30 (27.5%) |
| 500-599W | 0 | 26 (23.9%) |
| 600-699W | 0 | 15 (13.8%) |
| 700W+ | 0 | 5 (4.6%) |


## Cell technology

Dominant cell tech: **PERC** (46%)


| Technology | ARTsolar | Hiwatt Solar |
| --- | --- | --- |
| PERC | 0 | 50 (45.9%) |
| TOPCon | 0 | 33 (30.3%) |
| Unknown | 0 | 21 (19.3%) |
| N-type | 0 | 5 (4.6%) |


## Top panels, Hiwatt Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HW-M12/132G-730](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-730) | 730 | 23.5 | -0.340 | Monocrystalline |
| 2 | [HW-M12/132G-725](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-725) | 725 | 23.3 | -0.340 | Monocrystalline |
| 3 | [HW-M12/132G-720](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-720) | 720 | 23.2 | -0.340 | Monocrystalline |
| 4 | [HW-M12/132G-715](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-715) | 715 | 23.0 | -0.340 | Monocrystalline |
| 5 | [HW-M12/132G-710](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-710) | 710 | 22.9 | -0.340 | Monocrystalline |
| 6 | [HW-M12/132H-670](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 7 | [HW-M12/132H-665](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 8 | [HW-M12/132H-660](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 9 | [HW-M12/132H-655](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 10 | [HW-M12/132H-650](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-650) | 650 | 20.9 | -0.340 | Monocrystalline |


## Summary

Hiwatt Solar is a Chinese photovoltaic manufacturer with a stated annual production capacity of around 2.2 GW, making it a mid-tier volume producer by global standards. The company is catalogued in the ENF Solar industry directory and offers a wide range of crystalline silicon modules, including large-format products based on 210 mm cells rated above 670 W, bifacial double-glass variants, and half-cut cell designs. No independent confirmation of BloombergNEF Tier 1 bankability status was found in publicly available sources. ARTsolar is a significantly smaller operation - South Africa's only locally owned solar module manufacturer, founded in 2010 and based in Durban, KwaZulu-Natal. Its facility carries a capacity of roughly 340 MW following an expansion pursued in partnership with Chinese Tier 1 supplier JA Solar, whose module designs ARTsolar assembles locally; an earlier technology partnership with Talesun preceded that arrangement. Neither brand appears on publicly accessible BloombergNEF Tier 1 lists, though ARTsolar's tie-up with JA Solar lends it some indirect credibility in bankability discussions. On sheer institutional footprint and output scale, Hiwatt is the larger player.

In terms of product focus, Hiwatt targets commercial and utility-scale customers with high-wattage modules suited to ground-mounted arrays and large industrial rooftops, positioning it alongside mainstream Chinese volume exporters. ARTsolar concentrates on the southern African residential and commercial rooftop segment, offering panels broadly in the 360-550 W range. Some sources reference TOPCon cell technology in part of ARTsolar's current lineup, while monocrystalline PERC modules remain in its catalog. ARTsolar's core commercial proposition has historically been local content compliance for South African government-backed renewable energy procurement rounds - a positioning that became the subject of a landmark court challenge the company itself filed in October 2024 against developers it alleges failed to meet local-content thresholds.

For buyers outside southern Africa, Hiwatt Solar is the more accessible default given its larger output and wider distributor reach, though independent quality audits are sparse. ARTsolar is the natural fit for South African projects where local content requirements are binding, provided procurement uncertainty tied to its ongoing litigation is weighed carefully in project planning.

\---LINKS---

\- https://www.enfsolar.com/hiwatt-solar \| Hiwatt Solar Limited - ENF Solar manufacturer profile \| article

\- https://www.pv-magazine.com/2022/11/07/talesun-artsolar-open-325-mw-module-factory-in-south-africa/ \| Talesun, ARTsolar open 325 MW module factory in South Africa - PV Magazine \| article

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

\- https://www.enfsolar.com/artsolar \| ARTsolar (Pty) Ltd - ENF Solar manufacturer profile \| article

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/artsolar-vs-hiwatt-solar