Q-Cells vs Wattpower - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 0 models). Q-Cells leans bifacial (39% 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
Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...
- Founded
- 1999
- Headquarters
- Seoul, South Korea
- Annual capacity
- 11.2 GW/year
- Employees
- 2000+
- Listed
- NASDAQ: HQCL
- Tier 1 bankable
- Yes
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...
- Founded
- 2020
- Headquarters
- Nanjing, China
- Annual capacity
- 1-2 GW/year
- Employees
- 11-50
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
Q-Cells skews to higher efficiency: 2% of lineup is 23%+
Q-Cells offers more 600W+ panels (19% of lineup)
Dominant cell tech: <strong>PERC</strong> (43%)
The flagships
Written summary
Q-Cells, now operating as Hanwha Q CELLS, is a South Korean manufacturer founded in 1999 and majority-owned since 2012 by the Hanwha Group conglomerate. The brand holds BloombergNEF Tier 1 bankability status and is among the most recognized names in global module supply, with confirmed combined global module production capacity exceeding 11 GW and a U.S.-based capacity reaching 8.4 GW following significant investment in its Dalton and Cartersville, Georgia facilities - making it the largest solar manufacturing presence in the Western Hemisphere. Q-Cells carries a substantially stronger institutional footprint than virtually any comparison peer operating outside the top tier of Chinese and Korean manufacturers.
Wattpower, by contrast, does not appear in any publicly available BloombergNEF Tier 1 module lists, independent industry reviews, or bankability analyses reviewed in the course of this research. The name "WattPower" does surface in connection with a small Indian inverter startup founded in 2022, which focuses on string inverters rather than PV modules. If Wattpower is a distinct panel brand operating under a similar name, it has not achieved sufficient market presence to appear in sources such as pv-magazine.com, solarreviews.com, TaiyangNews, or EcoWatch as of mid-2026. Q-Cells, meanwhile, is well-documented for residential and commercial rooftop product families deploying its proprietary Q.ANTUM cell technology, with a confirmed roadmap toward perovskite-silicon tandem modules.
For any typical buyer in 2025-2026 - residential rooftop, commercial flat roof, or mid-scale ground mount - Q-Cells is the clear default choice. It offers verified Tier 1 bankability, documented 25-year product warranties, third-place ranking in SolarReviews' 2025 manufacturer list, and a credible domestic supply chain in the United States. Without verifiable public information confirming Wattpower's panel manufacturing operations, certification status, or warranty structure, no objective comparison of technical specifications or value positioning is possible.
Generated by Claude Sonnet · 2026-06-10
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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.