--- title: "ARTsolar vs Wattpower - Brand Comparison | ComparePV" description: "Compare ARTsolar vs Wattpower solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/artsolar-vs-wattpower" --- # ARTsolar vs Wattpower Both brands are closely matched on catalog size, efficiency and bifacial share - the choice comes down to local availability, price and specific model features. ## The two companies | Attribute | ARTsolar | Wattpower | | --- | --- | --- | | Country | South Africa | China | | Headquarters | Durban | Nanjing | | Founded | 2010 | 2020 | | Employees | | 11-50 | | Annual capacity | | 1-2 GW/year | | Tier 1 | no | | | Listed | | | | Website | [https://www.artsolar.co.za](https://www.artsolar.co.za) | [https://www.watt-power.com](https://www.watt-power.com) | WattPower Technology Co., Ltd is a Chinese solar module manufacturer headquartered in Nanjing, Jiangsu. The company specializes in high-performance photovoltaic modules utilizing 182mm large-size silicon wafers combined with PERC, multi-busbar, half-cell, bifacial, and high-density encapsulation technologies. It... ## Catalog & Power | Measure | ARTsolar | Wattpower | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 0 | | | Max Power | 0 W | 0 W | | | Avg Power | 0 W | 0 W | | ## Efficiency | Measure | ARTsolar | Wattpower | Margin | | --- | --- | --- | --- | | Max Efficiency | - | - | | | Avg Efficiency | - | - | | ## Reliability & Warranty | Measure | ARTsolar | Wattpower | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | - | | | Bifacial Share | 0 (0%) | 0 (0%) | | | Avg Warranty | - | - | | ## Summary ARTsolar is a South African PV module manufacturer founded in 2010 and headquartered in Durban, where the "ART" in its name stands for African Renewable Technologies. The company is 100% locally owned and holds a production facility with a designed capacity of roughly 300-340 MW per year, expandable to 500 MW given sufficient order volume. Through successive technology partnerships, first with LONGi Solar and most recently with JA Solar, it now assembles large-format, high-efficiency TOPCon modules whose quality credentials are anchored to JA Solar's established Tier 1 and BloombergNEF bankability standing. WattPower Technology Co., Ltd is a Chinese manufacturer with a considerably less visible public profile; the company lists offices in China, Germany, and the United States and offers a module catalogue spanning PERC, bifacial, HJT, and TOPCon formats across roughly 385 to 700 Wp, but no independent Tier 1 or BloombergNEF bankability confirmation for WattPower Technology itself was found in publicly available sources. ARTsolar therefore carries the stronger institutional footprint, particularly within African project-finance frameworks. ARTsolar's current focus centres on large-format TOPCon modules assembled under JA Solar's technology licence, positioning the brand for both commercial rooftop and utility-scale ground-mount projects inside South Africa's Independent Power Producer programme. TUV SÜD certification and IDC loan-backed production infrastructure reinforce its use in bankable tender submissions. WattPower Technology appears to target a broader international commercial and industrial segment with its wider technology range, but limited independent review coverage and the absence of confirmed Tier 1 status make it harder to assess without hands-on due diligence. For buyers active in South Africa or neighbouring markets in 2025, ARTsolar is generally the more practical choice: its modules carry Tier 1-grade quality credentials via the JA Solar partnership, lead times benefit from local assembly, and the brand has a documented track record in large project deployments. WattPower Technology may appeal to buyers seeking competitively priced Chinese-made modules with varied technology options, but bankability verification and scrutiny of warranty enforcement capability are strongly advisable before committing to a large installation. \---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://renewafrica.biz/news/solar/longi-solar-partners-with-south-african-solar-pv-panel-maker-artsolar/ \| LONGi Solar partners with South African PV panel maker ARTsolar \| article \- https://www.engineeringnews.co.za/article/artsolar-and-ja-solar-driving-south-africas-renewable-energy-revolution-2025-06-12 \| ARTsolar and JA Solar - driving South Africa's renewable energy revolution \| article \- https://www.enfsolar.com/wattpower \| WattPower Technology Co., Ltd - Solar Panels - China \| review \- https://www.enfsolar.com/artsolar \| ARTsolar (Pty) Ltd - Solar Panels - South Africa \| 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/) \- \[LONGi Solar partners with South African PV panel maker ARTsolar\](https://renewafrica.biz/news/solar/longi-solar-partners-with-south-african-solar-pv-panel-maker-artsolar/) \- \[ARTsolar and JA Solar - driving South Africa's renewable energy revolution\](https://www.engineeringnews.co.za/article/artsolar-and-ja-solar-driving-south-africas-renewable-energy-revolution-2025-06-12) \- \[WattPower Technology Co., Ltd - ENF Solar Profile\](https://www.enfsolar.com/wattpower) \- \[ARTsolar (Pty) Ltd - ENF Solar Profile\](https://www.enfsolar.com/artsolar) 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 Wattpower](https://comparepv.com/ae-solar-vs-wattpower) - [ARTsolar vs AEET](https://comparepv.com/artsolar-vs-aeet) - [AIKO vs Wattpower](https://comparepv.com/aiko-vs-wattpower) - [ARTsolar vs AKCOME](https://comparepv.com/artsolar-vs-akcome) - [ASM vs Wattpower](https://comparepv.com/asm-vs-wattpower) --- Source: https://comparepv.com/artsolar-vs-wattpower