--- title: "ARTsolar vs KB Solar - Brand Comparison | ComparePV" description: "Compare ARTsolar vs KB Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/artsolar-vs-kb-solar" --- # ARTsolar vs KB Solar KB Solar has the broader catalog (5 vs 0 models). KB Solar leans bifacial (100% of lineup). ## The two companies | Attribute | ARTsolar | KB 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 | KB Solar | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 5 | +5 | | Max Power | 0 W | 385 W | +385 W | | Avg Power | 0 W | 375 W | +375 W | ## Efficiency | Measure | ARTsolar | KB Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 20.90% | | | Avg Efficiency | - | 20.38% | | ## Reliability & Warranty | Measure | ARTsolar | KB Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.330%/°C | | | Bifacial Share | 0 (0%) | 5 (100%) | +100 pp | | Avg Warranty | - | 30.0 yrs | | ## Efficiency distribution | Efficiency band | ARTsolar | KB Solar | | --- | --- | --- | | 20-21% | 0 | 5 (100.0%) | ## Power distribution | Power band | ARTsolar | KB Solar | | --- | --- | --- | | \<400W | 0 | 5 (100.0%) | ## Cell technology Dominant cell tech: **PERC** (100%) | Technology | ARTsolar | KB Solar | | --- | --- | --- | | PERC | 0 | 5 (100.0%) | ## Top panels, KB Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [KBS-385](https://comparepv.com/panel/kb-solar-kbs-385) | 385 | 20.9 | -0.330 | Monocrystalline | | 2 | [KBS-380](https://comparepv.com/panel/kb-solar-kbs-380) | 380 | 20.6 | -0.330 | Monocrystalline | | 3 | [KBS-375](https://comparepv.com/panel/kb-solar-kbs-375) | 375 | 20.3 | -0.330 | Monocrystalline | | 4 | [KBS-370](https://comparepv.com/panel/kb-solar-kbs-370) | 370 | 20.1 | -0.330 | Monocrystalline | | 5 | [KBS-365](https://comparepv.com/panel/kb-solar-kbs-365) | 365 | 20.0 | -0.330 | Monocrystalline | ## Summary ARTsolar is a South African solar module manufacturer founded in 2010 and headquartered in Durban, making it one of the only fully locally owned producers on the continent. The company's facility was designed for up to 300 MW of annual output and has received financing from South Africa's Industrial Development Corporation, which enabled it to achieve a Tier 1 quality accreditation for its modules - a meaningful credential for project finance in the domestic market. ARTsolar has partnered with global cell suppliers including LONGi and Talesun to source high-grade wafers, with panels assembled through local lamination, framing, and testing processes. KB Solar, by contrast, is a small US-based manufacturer established in Spartanburg, South Carolina, which began production in 2022 with a reported annual capacity of around 120 MW. It operates simultaneously as a module producer, wholesaler, and solar installer, giving it a vertically integrated profile at the regional level. ARTsolar's government-backed financing and multinational cell-supply partnerships give it a stronger institutional footprint within its home region. In terms of product range, ARTsolar offers monocrystalline modules from roughly 360 W to 500 W, and available sources indicate the company has incorporated TOPCon cell technology alongside earlier lines. Its panels are targeted primarily at utility-scale and commercial projects under South Africa's independent power producer programs. KB Solar's catalog centers on 375 W and 450 W modules built around 12-busbar PERC half-cell architecture, available in both monofacial and bifacial configurations, and is well suited to residential rooftop and small commercial installations across the US Southeast. The company's dual role as manufacturer and installer makes it a convenient single-source option for buyers in that market. For buyers outside South Africa or the US Southeast, neither brand represents a natural default choice - both are regional producers operating well below the multi-gigawatt scale of globally bankable manufacturers. ARTsolar is the more relevant option for buyers engaged in South Africa's renewable energy procurement programs, while KB Solar addresses a narrow US domestic market where local content or integrated service is the priority. Buyers seeking panels with broad third-party validation and deep financing history would typically look beyond both. \---LINKS--- \- https://renewafrica.biz/news/solar/longi-solar-partners-with-south-african-solar-pv-panel-maker-artsolar/ \| LONGi Solar partners with ARTsolar for South African market \| article \- https://www.dailymaverick.co.za/article/2021-04-20-worlds-largest-solar-tech-leader-partners-with-sa-pv-panel-maker-to-meet-ipp-programmes-demands/ \| ARTsolar - LONGi partnership to supply IPP programme modules \| article \- https://www.esi-africa.com/news/artsolar-localisation-case-industrial-policy-designed-to-fail/ \| ARTsolar localisation case - ESI Africa analysis \| article \- https://oxpeckers.org/2025/11/solar-court-case/ \| Court case tackles not-so-proudly South African solar power - Oxpeckers \| article \- https://diysolarforum.com/threads/anyone-use-kb-solar-panels-other-panel-recommendations.69321/ \| DIY Solar Forum - user discussion on KB Solar panels \| review 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 KB Solar](https://comparepv.com/ae-solar-vs-kb-solar) - [ARTsolar vs AEET](https://comparepv.com/artsolar-vs-aeet) - [AIKO vs KB Solar](https://comparepv.com/aiko-vs-kb-solar) - [ARTsolar vs AKCOME](https://comparepv.com/artsolar-vs-akcome) - [ASM vs KB Solar](https://comparepv.com/asm-vs-kb-solar) --- Source: https://comparepv.com/artsolar-vs-kb-solar