--- title: "ARTsolar vs Just Solar - Brand Comparison | ComparePV" description: "Compare ARTsolar vs Just Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/artsolar-vs-just-solar" --- # ARTsolar vs Just Solar Just Solar has the broader catalog (42 vs 0 models). Just Solar leans bifacial (17% of lineup). ## The two companies | Attribute | ARTsolar | Just 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 | Just Solar | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 42 | +42 | | Max Power | 0 W | 740 W | +740 W | | Avg Power | 0 W | 491 W | +491 W | ## Efficiency | Measure | ARTsolar | Just Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 23.82% | | | Avg Efficiency | - | 22.08% | | ## Reliability & Warranty | Measure | ARTsolar | Just Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.306%/°C | | | Bifacial Share | 0 (0%) | 7 (17%) | +17 pp | | Avg Warranty | - | 28.5 yrs | | ## Efficiency distribution Just Solar skews to higher efficiency: 33% of lineup is 23%+ | Efficiency band | ARTsolar | Just Solar | | --- | --- | --- | | 20-21% | 0 | 8 (19.0%) | | 21-22% | 0 | 14 (33.3%) | | 22-23% | 0 | 6 (14.3%) | | 23%+ | 0 | 14 (33.3%) | ## Power distribution Just Solar offers more 600W+ panels (17% of lineup) | Power band | ARTsolar | Just Solar | | --- | --- | --- | | \<400W | 0 | 7 (16.7%) | | 400-499W | 0 | 21 (50.0%) | | 500-599W | 0 | 7 (16.7%) | | 700W+ | 0 | 7 (16.7%) | ## Cell technology Dominant cell tech: **TOPCon** (52%) | Technology | ARTsolar | Just Solar | | --- | --- | --- | | TOPCon | 0 | 22 (52.4%) | | Back Contact | 0 | 13 (31.0%) | | HJT | 0 | 7 (16.7%) | ## Top panels, Just Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [JST-FCMH-740W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-740w-hd) | 740 | 23.8 | -0.260 | Monocrystalline | | 2 | [JST-FCMH-735W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-735w-hd) | 735 | 23.7 | -0.260 | Monocrystalline | | 3 | [JST-FCMH-730W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-730w-hd) | 730 | 23.5 | -0.260 | Monocrystalline | | 4 | [JST-FCMH-725W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-725w-hd) | 725 | 23.3 | -0.260 | Monocrystalline | | 5 | [JST-FCMH-720W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-720w-hd) | 720 | 23.2 | -0.260 | Monocrystalline | | 6 | [JST-FCMH-715W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-715w-hd) | 715 | 23.0 | -0.260 | Monocrystalline | | 7 | [JST-FCMH-710W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-710w-hd) | 710 | 22.9 | -0.260 | Monocrystalline | | 8 | [JST-EBMH-560W-D](https://comparepv.com/panel/just-solar-jst-ebmh-560w-d) | 560 | 21.9 | -0.360 | Monocrystalline | | 9 | [JST-EBMH-555W-D](https://comparepv.com/panel/just-solar-jst-ebmh-555w-d) | 555 | 21.7 | -0.360 | Monocrystalline | | 10 | [JST-EBMH-550W-D](https://comparepv.com/panel/just-solar-jst-ebmh-550w-d) | 550 | 21.5 | -0.360 | Monocrystalline | ## Summary Just Solar Co., Limited is a Chinese manufacturer founded in 2010 and headquartered in Shanghai, with additional production facilities in Zhejiang province, Macedonia, and Vietnam. The company describes approximately 1 GW of vertically integrated cell and module production capacity, placing it in the small-to-mid tier of Chinese exporters. No confirmed Tier 1 or BloombergNEF bankability listing has been found in publicly available sources. ARTsolar was founded in 2011 and is based in Pinetown, KwaZulu-Natal, South Africa, where it positions itself as South Africa's only locally owned solar panel manufacturer. Its scale is considerably smaller than Just Solar's, and it likewise does not appear on standard Tier 1 lists, though it holds TUV SUD certification. On institutional footprint, Just Solar's multi-country manufacturing presence gives it a marginally broader industrial base, even if neither brand commands the global recognition of the top-tier Chinese producers. Just Solar's publicly documented product range centers on monocrystalline PERC half-cell modules in the 500-600 W class, oriented toward commercial rooftop and small utility-scale ground-mount projects for export markets. ARTsolar offers both monocrystalline PERC and, more recently, TOPCon N-type modules in the 500-600 W range, confirmed by ENF Solar datasheets - a technology step-up that suits higher-efficiency residential and commercial rooftop installations. ARTsolar's market focus is almost entirely domestic: South African households, commercial property owners, and local project developers. That regional focus is also a source of tension: a 2025 court case brought by ARTsolar against independent power producers alleged non-compliance with South Africa's 35% local-content rules, and separate reporting raised questions about how much of ARTsolar's module content is actually assembled locally versus imported. For a buyer outside South Africa, Just Solar is the more accessible option given its export infrastructure, though the absence of Tier 1 recognition means financing institutions may require additional due diligence. For buyers within South Africa who want to support local industry and can verify supply chain continuity, ARTsolar's TOPCon-equipped range is technically competitive - but the company's 2025 financial difficulties and ongoing litigation introduce a meaningful bankability risk that any procurement team should factor into a warranty and long-term service assessment. \---LINKS--- \- https://www.enfsolar.com/just-solar \| Just Solar Group Limited - ENF Solar manufacturer profile \| 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://comparepv.com/reviews/artsolar \| ARTsolar Solar Panels Review 2026 - ComparePV \| review \- https://groundup.org.za/article/local-manufacturer-actually-imports-99-its-product-court-told/ \| Local solar panel manufacturer imports 99% of its product, court told - GroundUp \| article \- https://oxpeckers.org/2025/11/solar-court-case/ \| Court case tackles not-so-proudly-South African solar power - Oxpeckers \| article Written by claude-sonnet from the figures above. ## Other comparisons - [ARTsolar vs A.B. Energy](https://comparepv.com/artsolar-vs-a-b-energy) - [AE Solar vs Just Solar](https://comparepv.com/ae-solar-vs-just-solar) - [ARTsolar vs AEET](https://comparepv.com/artsolar-vs-aeet) - [AIKO vs Just Solar](https://comparepv.com/aiko-vs-just-solar) - [ARTsolar vs AKCOME](https://comparepv.com/artsolar-vs-akcome) - [ASM vs Just Solar](https://comparepv.com/asm-vs-just-solar) --- Source: https://comparepv.com/artsolar-vs-just-solar