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ARTsolar vs Renesola - solar panel manufacturer comparison

ARTsolar
South Africa Founded 2010
Read the ARTsolar review
VS
Renesola
China Founded 2005 Tier 1
Read the Renesola review
At a glance

Renesola has the broader catalog (115 vs 0 models). Renesola leans bifacial (61% of lineup).

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
0 115
Highest power
0 Wp 720 Wp
Best efficiency
- 23.5%
Average efficiency
- 21.7%
Bifacial share
0% 61%
Average warranty
- 30 yrs
01

The two companies

Company facts, not datasheet figures
ARTsolar
Founded
2010
Headquarters
Durban, South Africa
Renesola

Renesola, established in 2005, is a pioneer in the global new energy field, committed to mitigating global warming and providing quality power station solutions for global clients. They offer one-stop solutions including development, financing, design, construction, operation, and maintenance, along with...

Founded
2005
Headquarters
Shanghai, China
Annual capacity
16.5+ GW/year
Employees
100-500
Listed
NYSE: SOL
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric ARTsolar Renesola
Catalog & Power
Panel Models 0 115+115
Max Power 0 W 720 W+720 W
Avg Power 0 W 514 W+514 W
Efficiency
Max Efficiency - 23.51%
Avg Efficiency - 21.67%
Reliability & Warranty
Avg Temp Coefficient - -0.304%/°C
Bifacial Share 0 (0%) 70 (61%)+61 pp
Avg Warranty - 29.7 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Renesola skews to higher efficiency: 10% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Renesola offers more 600W+ panels (30% of lineup)

ARTsolar cell technology
Share of their models by cell architecture
Renesola cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>N-type</strong> (77%)

04

The flagships

Highest-power models from each brand
ARTsolar all models
No panels from this manufacturer are in the database yet.
05

Written summary

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Renesola is a Chinese solar manufacturer founded in 2005 and listed on the New York Stock Exchange since 2008, with production facilities spanning China, Turkey, India, Taiwan, and South Africa. It has maintained BloombergNEF Tier 1 bankability status consistently, including through all reported quarters of 2025, and has accumulated over 25 GW in cumulative global shipments. ARTsolar, founded in 2010 and headquartered in KwaZulu-Natal, South Africa, is the only 100% locally owned photovoltaic manufacturer in that country, operating an assembly plant that has been expanded to approximately 340 MW annual capacity following a 2025 technology partnership with JA Solar. It does not appear on the BNEF Tier 1 list and operates at a scale an order of magnitude smaller than Renesola, giving Renesola the stronger institutional and financial footprint by a wide margin.

Renesola offers a broad catalog spanning residential rooftop, commercial, and utility-scale ground-mount segments, with a product range extending from compact lightweight modules up to high-wattage double-glass formats. Its confirmed cell technologies include N-type TOPCon and HJT variants alongside conventional PERC-generation lines. ARTsolar's product offering has historically centered on panels suited for South African utility-scale IPP programmes - particularly government-backed REIPPPP tenders - while also supplying residential and commercial installers domestically. Through its JA Solar partnership, ARTsolar began producing DeepBlue 4.0 Pro N-type modules locally in 2025, bringing higher-efficiency N-type technology to a market where local content requirements are a key procurement criterion.

For a buyer outside South Africa, Renesola is the default choice given its global distribution network, verified BNEF Tier 1 bankability, and broader technology portfolio. ARTsolar is a compelling option specifically for South African projects where local-content compliance is mandatory or commercially advantageous, but its ongoing legal disputes and 2025 workforce reductions introduce near-term supply-chain risk worth monitoring.

Generated by Claude Sonnet · 2026-05-14

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 1 Renesola offer

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.