Q-Cells vs Sirius PV - 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
Sirius PV is a solar photovoltaic module manufacturer established in 2021 as a brand and subsidiary of Elin A.Ş., a Turkish industrial group founded in 1981. The company operates multiple automated production facilities across Europe and the United States, with a combined capacity of over 3.5 GW, positioning itself as...
- Founded
- 2021
- Headquarters
- Ankara, Turkey
- Annual capacity
- 3-5 GW/year
- Employees
- 500-1000
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, traces its roots to Germany, where it was founded in 1999, before being acquired by South Korea's Hanwha Group in 2012. The brand holds Bloomberg NEF Tier 1 bankability status and has built a global module production capacity exceeding 11 GW per year, anchored in part by manufacturing campuses in Dalton and Cartersville, Georgia that together form the largest solar production footprint in the Western Hemisphere. Sirius PV is the panel brand of Elin Energy, a Turkish manufacturer founded in 1981 that launched Sirius PV as a distinct product line in 2021 and opened a Texas assembly plant near Houston in 2024. Elin Energy's Texas facility is ramping toward 2 GW per year of output, and the company claims Tier 1 status, with its manufacturing processes independently reviewed by DNV. Between the two brands, Q-Cells carries the longer institutional track record and a substantially larger global production footprint.
Q-Cells covers both premium residential rooftops and commercial applications. Its QTron line uses monocrystalline half-cut cells and targets residential buyers seeking high efficiency - search-confirmed figures reach roughly 22-23% on the top QTron variants - at pricing below ultra-premium competitors. The company is also actively transitioning toward TOPCon cell technology and is developing perovskite-silicon tandem cells for future generations. Sirius PV currently markets a focused catalog of bifacial all-black monocrystalline modules spanning roughly 400-560 W, with efficiency around 21%, suited to residential and light commercial rooftops. The Texas manufacturing base gives Sirius PV a domestic supply angle that may appeal to US buyers concerned about import tariff exposure.
For most buyers in 2025, Q-Cells is the safer default choice: it has deeper field data, an established warranty service network, and broad installer familiarity across North America and Europe. Sirius PV is a credible emerging option - particularly for buyers prioritizing US-assembled product or competitive pricing - but its track record as an independent brand is still short.
- Expert Review of Qcells Solar Panels 2025 - SolarReviews
- Turkish solar module manufacturer begins production in Texas - PV Magazine USA
- Sirius PV by Elin Energy - Profile and Reviews - EnergySage
- DNV independent review helps Elin Energy open new US PV factory
- Hanwha Qcells Cartersville factory set for 3.3 GW solar module production
Generated by Claude Sonnet · 2026-05-22
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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.