ARTsolar vs Hounen Solar - solar panel manufacturer comparison
Hounen Solar has the broader catalog (44 vs 0 models). Hounen Solar leans bifacial (86% 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.
The two companies
Hounen Solar (Zhejiang Haoneng Optoelectronics) is a Chinese solar PV module manufacturer with its U.S. operations branded as Hounen Solar America. The company produces solar panels for residential, commercial, and utility-scale applications, and in 2023 established a 1 GW module assembly facility in Orangeburg, South...
- Founded
- 2010
- Headquarters
- Haining, China
- Annual capacity
- 1-2 GW/year
- Employees
- 200-500
Catalogue against catalogue
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.
What each of them builds
Hounen Solar skews to higher efficiency: 7% of lineup is 23%+
Hounen Solar offers more 600W+ panels (43% of lineup)
Dominant cell tech: <strong>N-type</strong> (48%)
The flagships
Written summary
ARTsolar is a South African solar module manufacturer founded in 2010 and headquartered in Pinetown, Durban, making it the only 100% locally owned PV producer in South Africa. It operates a 325 MW assembly facility that has been certified for Tier 1 quality production through its technology partnerships with LONGi Solar and Talesun, with the plant built to scale toward 500 MW annually given firm order commitments. Hounen Solar is a comparatively newer entrant, with Hounen Solar America Inc. established in 2022 in Orangeburg, South Carolina. Its 1 GW assembly facility has been in continuous operation for several years and targets the US market specifically to sidestep import tariffs. On institutional footprint, ARTsolar carries the longer operating history and an established record in bankable utility-scale projects on the African continent, while Hounen Solar benefits from a larger rated production capacity in its home market.
ARTsolar's confirmed product portfolio centers on N-type TOPCon monocrystalline modules ranging from roughly 500 Wp to 600 Wp, positioning the brand primarily for utility-scale and large commercial ground-mount projects in sub-Saharan Africa. Hounen Solar's lineup spans a wider wattage band - from a 420 W residential module through 550 W and 585 W commercial-and-industrial panels up to 720 W - built on PERC bifacial cell technology. That range makes Hounen Solar relevant for rooftop residential installs as well as mid-size commercial projects, with the US-assembled label qualifying its modules for domestic-content incentives under the Inflation Reduction Act.
For a buyer operating in southern Africa, ARTsolar is the more logical default: it carries locally recognized bankability support, TOPCon efficiency, and a track record on large projects in the region. For a US-based buyer prioritizing domestic-content compliance and tariff relief, Hounen Solar fills a distinct niche that ARTsolar does not address at all. Outside those respective home markets, neither brand has a meaningful global distribution footprint, and they are not meaningfully interchangeable for most buyers.
- ARTsolar in South Africa - Climate Scorecard 2025
- Talesun, ARTsolar open 325 MW module factory in South Africa - PV Magazine
- Hounen Solar showcases solar modules for the US market - PV Magazine USA
- Hounen Solar America to set up 1 GW module assembly plant in South Carolina - PV Tech
- Hounen Solar Panels Review 2026 - US-Assembled Panels from 400W to 720W
Generated by Claude Sonnet · 2026-06-07
Other brand comparisons
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.