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ARTsolar vs RedSolar - solar panel manufacturer comparison

ARTsolar
South Africa Founded 2010
Read the ARTsolar review
VS
RedSolar
China Founded 2008
Read the RedSolar review
At a glance

RedSolar has the broader catalog (41 vs 0 models). RedSolar leans bifacial (88% 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 41
Highest power
0 Wp 720 Wp
Best efficiency
- 23.2%
Average efficiency
- 22.4%
Bifacial share
0% 88%
Average warranty
- 29 yrs
01

The two companies

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

Hunan Red Solar New Energy Science and Technology Co., Ltd. (RedSolar) is a state-owned high-tech enterprise incubated by the 48th Research Institute of China Electronics Technology Group Corporation (CETC), one of China's largest Fortune 500 state-owned conglomerates. The company manufactures solar cells, PV modules...

Founded
2008
Headquarters
Changsha, China
Employees
1000-2000
02

Catalogue against catalogue

Averages over every model in the database
Metric ARTsolar RedSolar
Catalog & Power
Panel Models 0 41+41
Max Power 0 W 720 W+720 W
Avg Power 0 W 582 W+582 W
Efficiency
Max Efficiency - 23.20%
Avg Efficiency - 22.36%
Reliability & Warranty
Avg Temp Coefficient - -0.303%/°C
Bifacial Share 0 (0%) 36 (88%)+88 pp
Avg Warranty - 29.4 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

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

Power spread
Share of each catalogue in every power band

RedSolar offers more 600W+ panels (61% of lineup)

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

Dominant cell tech: <strong>TOPCon</strong> (83%)

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

Checking cache...

ARTsolar is a South African solar panel manufacturer founded in 2010 in Durban by Eshu Seevnarayan and Patrick Goss, making it one of the only fully domestically owned PV module producers on the African continent. The company originally built a production line designed for up to 300 MW per year, though it operated below that level for several years. It is not independently ranked as a Tier 1 manufacturer, but its bankability has been bolstered by successive partnerships - first with LONGi Solar and more recently with JA Solar, under which it now assembles approximately 340 MW of high-efficiency modules annually at its upgraded Durban facility. RedSolar, formally Hunan RedSolar New Energy Technology Co., Ltd., was established in 2008 in Changsha, China, as a state-owned enterprise incubated by the 48th Research Institute of the China Electronics Technology Group Corporation (CETC), drawing on six decades of semiconductor and photovoltaic research. The company claims to have delivered over 30 GW of PV products across more than 50 countries. On raw institutional footprint and international track record, RedSolar holds the stronger position.

ARTsolar's catalog covers residential rooftop, commercial, and light industrial applications primarily within the South African and sub-Saharan African market. Its panels are monocrystalline and the company has referenced TOPCon cell technology in recent product lines. RedSolar markets a broader range - from smaller residential modules up to large-format series designed for commercial and utility-scale ground-mount installations - and its CETC parentage gives it credibility in technically demanding or government-backed project work. RedSolar has also built out system integration capabilities, supporting full project delivery beyond module supply alone.

For a buyer in South Africa seeking locally assembled panels with domestic content credentials under government procurement programs such as REIPPPP, ARTsolar is the practical default. For a buyer outside South Africa, or running a utility-scale project where international bankability and supply chain depth matter more than local sourcing, RedSolar offers greater scale and a longer global track record. The two brands serve distinctly different geographies and project scales and are not meaningfully interchangeable.

Generated by Claude Sonnet · 2026-06-08

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.

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.