--- title: "ARTsolar vs Runtech China - Brand Comparison | ComparePV" description: "Compare ARTsolar vs Runtech China solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/artsolar-vs-runtech-china" --- # ARTsolar vs Runtech China Runtech China has the broader catalog (21 vs 0 models). ## The two companies | Attribute | ARTsolar | Runtech China | | --- | --- | --- | | Country | South Africa | China | | Headquarters | Durban | Xi'an | | Founded | 2010 | 2008 | | Employees | | 50+ | | Annual capacity | | | | Tier 1 | no | | | Listed | | | | Website | [https://www.artsolar.co.za](https://www.artsolar.co.za) | [http://www.runtechenergy.com](http://www.runtechenergy.com) | Runtech Energy, founded in 2008, is a leading independent solar production supplier and designer. They are a trader of solar modules and PV project developer, with over 500MW of premium quality modules deployed worldwide. Runtech is committed to providing high-quality solar products and system integration services. ## Catalog & Power | Measure | ARTsolar | Runtech China | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 21 | +21 | | Max Power | 0 W | 420 W | +420 W | | Avg Power | 0 W | 301 W | +301 W | ## Efficiency | Measure | ARTsolar | Runtech China | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 24.30% | | | Avg Efficiency | - | 18.59% | | ## Reliability & Warranty | Measure | ARTsolar | Runtech China | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.350%/°C | | | Bifacial Share | 0 (0%) | 1 (5%) | +5 pp | | Avg Warranty | - | 25.0 yrs | | ## Efficiency distribution Runtech China skews to higher efficiency: 5% of lineup is 23%+ | Efficiency band | ARTsolar | Runtech China | | --- | --- | --- | | \<20% | 0 | 13 (61.9%) | | 20-21% | 0 | 4 (19.0%) | | 21-22% | 0 | 3 (14.3%) | | 23%+ | 0 | 1 (4.8%) | ## Power distribution | Power band | ARTsolar | Runtech China | | --- | --- | --- | | \<400W | 0 | 16 (76.2%) | | 400-499W | 0 | 5 (23.8%) | ## Cell technology | Technology | ARTsolar | Runtech China | | --- | --- | --- | | Unknown | 0 | 21 (100.0%) | ## Top panels, Runtech China | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [RT420WM](https://comparepv.com/panel/runtech-china-rt420wm) | 420 | 21.6 | -0.350 | Monocrystalline | | 2 | [RT415WM](https://comparepv.com/panel/runtech-china-rt415wm) | 415 | 21.3 | -0.350 | Monocrystalline | | 3 | [RT410WM](https://comparepv.com/panel/runtech-china-rt410wm) | 410 | 21.0 | -0.350 | Monocrystalline | | 4 | [RT405WM](https://comparepv.com/panel/runtech-china-rt405wm) | 405 | 20.8 | -0.350 | Monocrystalline | | 5 | [RT400WM](https://comparepv.com/panel/runtech-china-rt400wm) | 400 | 20.5 | -0.350 | Monocrystalline | | 6 | [RT395WM](https://comparepv.com/panel/runtech-china-rt395wm) | 395 | 20.2 | -0.350 | Monocrystalline | | 7 | [RT390WM](https://comparepv.com/panel/runtech-china-rt390wm) | 390 | 20.0 | -0.350 | Monocrystalline | | 8 | [RT-355M](https://comparepv.com/panel/runtech-china-rt-355m) | 355 | 18.5 | -0.410 | Polycrystalline | | 9 | [RT 355M](https://comparepv.com/panel/runtech-china-rt-355m-1) | 355 | 18.5 | -0.410 | Polycrystalline | | 10 | [RT-350M](https://comparepv.com/panel/runtech-china-rt-350m) | 350 | 18.0 | -0.410 | Polycrystalline | ## Summary Runtech China is a small-to-mid-scale Chinese module manufacturer founded in 2014 and headquartered in Changzhou, Jiangsu Province. The company reports an annual production capacity of roughly 200 MW and operates as both a manufacturer and a distributor - having signed a supply agreement with LONGi Green Energy. Runtech does not appear on BloombergNEF Tier 1 bankability lists, which are dominated by much larger Chinese names such as LONGi, Jinko, Trina, and JA Solar. ARTsolar, by contrast, was established in 2010 in Pinetown, South Africa, and is the country's only 100% locally owned solar panel manufacturer. Its production lines - backed by financing from South Africa's Industrial Development Corporation - carry a Tier 1 quality rating, and the facility has a stated capacity that can scale toward 500 MW per year given sufficient order security. In terms of institutional footprint, ARTsolar holds a stronger anchor position within its home market, though Runtech operates within a far larger global supply context. ARTsolar's product range spans monocrystalline and polycrystalline modules targeting residential and commercial rooftop installations across South Africa, with a strategic emphasis on satisfying government local-content procurement thresholds. The company has pursued technology partnerships - most recently with JA Solar - aimed at bringing modern cell processes to its Pinetown facility. Runtech, meanwhile, offers a broader module portfolio from small off-grid formats up to utility-scale sizes and lists N-type, P-type, and HJT cell variants, catering to OEM and ODM customers internationally as well as project developers seeking competitively priced Chinese supply. For a typical South African buyer in 2025 - particularly one subject to local-content rules under government procurement programs - ARTsolar is the more relevant choice, both for compliance reasons and because of its IDC-backed quality credentials. For international or OEM buyers outside South Africa, Runtech fills a niche as an accessible, price-competitive mid-tier Chinese supplier, though buyers should weigh the absence of BNEF Tier 1 recognition against larger, fully certified alternatives. \---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 module manufacturing in South Africa \| article \- https://www.esi-africa.com/news/artsolar-localisation-case-industrial-policy-designed-to-fail/ \| The ARTsolar localisation case - ESI Africa \| article \- https://www.pvknowhow.com/news/south-africa-solar-lawsuit-critical-2025-localisation-fight/ \| South Africa solar lawsuit - critical 2025 localisation fight - PVknowhow \| article \- https://www.enfsolar.com/runtech-china \| Runtech China Co., Ltd - ENF Solar manufacturer directory \| review \- https://comparepv.com/reviews/artsolar \| ARTsolar Solar Panels Review - ComparePV \| 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 Runtech China](https://comparepv.com/ae-solar-vs-runtech-china) - [ARTsolar vs AEET](https://comparepv.com/artsolar-vs-aeet) - [AIKO vs Runtech China](https://comparepv.com/aiko-vs-runtech-china) - [ARTsolar vs AKCOME](https://comparepv.com/artsolar-vs-akcome) - [ASM vs Runtech China](https://comparepv.com/asm-vs-runtech-china) --- Source: https://comparepv.com/artsolar-vs-runtech-china