--- title: "Q-Cells vs Solarspace - Brand Comparison | ComparePV" description: "Compare Q-Cells vs Solarspace solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/q-cells-vs-solarspace" --- # Q-Cells vs Solarspace Q-Cells has the broader catalog (89 vs 82 models). Q-Cells leads on peak efficiency at 23.20%. Solarspace leans bifacial (93% of lineup). ## The two companies | Attribute | Q-Cells | Solarspace | | --- | --- | --- | | Country | South Korea | China | | Headquarters | Seoul | Xuzhou | | Founded | 1999 | 2011 | | Employees | 2000+ | 6000+ | | Annual capacity | 11.2 GW/year | 60+ GW/year | | Tier 1 | yes | yes | | Listed | NASDAQ: HQCL | | | Website | [https://www.qcells.com](https://www.qcells.com) | [https://solarspace.com](https://solarspace.com) | 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... SolarSpace is a world-leading solar cell and module manufacturer, focusing on high-efficiency solar technology production both in China and overseas. They are among the top solar cell manufacturers, providing high-quality solar modules with core cell technology worldwide. SolarSpace is dedicated to empowering solar... ## Catalog & Power | Measure | Q-Cells | Solarspace | Margin | | --- | --- | --- | --- | | Panel Models | 89 | 82 | +7 | | Max Power | 675 W | 710 W | +35 W | | Avg Power | 468 W | 539 W | +71 W | ## Efficiency | Measure | Q-Cells | Solarspace | Margin | | --- | --- | --- | --- | | Max Efficiency | 23.20% | 23.16% | +0.04 pp | | Avg Efficiency | 21.21% | 22.04% | +0.82 pp | ## Reliability & Warranty | Measure | Q-Cells | Solarspace | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.325%/°C | -0.299%/°C | +0.025 | | Bifacial Share | 35 (39%) | 76 (93%) | +53 pp | | Avg Warranty | 27.0 yrs | 29.6 yrs | +2.7 yr | ## Efficiency distribution Solarspace skews to higher efficiency: 4% of lineup is 23%+ | Efficiency band | Q-Cells | Solarspace | | --- | --- | --- | | \<20% | 7 (7.9%) | 0 | | 20-21% | 29 (32.6%) | 7 (8.5%) | | 21-22% | 30 (33.7%) | 26 (31.7%) | | 22-23% | 21 (23.6%) | 46 (56.1%) | | 23%+ | 2 (2.2%) | 3 (3.7%) | ## Power distribution Solarspace offers more 600W+ panels (33% of lineup) | Power band | Q-Cells | Solarspace | | --- | --- | --- | | \<400W | 20 (22.5%) | 1 (1.2%) | | 400-499W | 41 (46.1%) | 35 (42.7%) | | 500-599W | 11 (12.4%) | 19 (23.2%) | | 600-699W | 17 (19.1%) | 24 (29.3%) | | 700W+ | 0 | 3 (3.7%) | ## Cell technology Dominant cell tech: **PERC** (43%) Dominant cell tech: **N-type** (70%) | Technology | Q-Cells | Solarspace | | --- | --- | --- | | PERC | 38 (42.7%) | 18 (22.0%) | | N-type | 23 (25.8%) | 57 (69.5%) | | Unknown | 20 (22.5%) | 0 | | TOPCon | 8 (9.0%) | 7 (8.5%) | ## Top panels, Q-Cells | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [Q.PEAK DUO ML-G12S.3 / BFG 675](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-675) | 675 | 21.7 | -0.340 | Monocrystalline | | 2 | [Q.PEAK DUO ML-G12S.3 / BFG 670](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-670) | 670 | 21.6 | -0.340 | Monocrystalline | | 3 | [Q.PEAK DUO ML-G12S.3 / BFG 665](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-665) | 665 | 21.4 | -0.340 | Monocrystalline | | 4 | [Q.PEAK DUO ML-G12S.3 / BFG 660](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-660) | 660 | 21.2 | -0.340 | Monocrystalline | | 5 | [Q.PEAK DUO ML-G12S.3 / BFG 655](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-655) | 655 | 21.1 | -0.340 | Monocrystalline | | 6 | [Q.PEAK DUO ML-G12S.3 / BFG 650](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-650) | 650 | 20.9 | -0.340 | Monocrystalline | | 7 | [Q.TRON XL-G2.3 / BFG 645](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-645) | 645 | 23.1 | -0.290 | Monocrystalline | | 8 | [Q.TRON XL-G2.3 / BFG 640](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-640) | 640 | 22.9 | -0.290 | Monocrystalline | | 9 | [Q.TRON XL-G2.3 / BFG 635](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-635) | 635 | 22.7 | -0.300 | Monocrystalline | | 10 | [Q.TRON XL-G2.3 / BFG 630](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-630) | 630 | 22.6 | -0.300 | Monocrystalline | ## Top panels, Solarspace | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [SS9-66HD-710N](https://comparepv.com/panel/solarspace-ss9-66hd-710n) | 710 | 22.9 | -0.290 | Monocrystalline | | 2 | [SS9-66HD-705N](https://comparepv.com/panel/solarspace-ss9-66hd-705n) | 705 | 22.7 | -0.290 | Monocrystalline | | 3 | [SS9-66HD-700N](https://comparepv.com/panel/solarspace-ss9-66hd-700n) | 700 | 22.5 | -0.290 | Monocrystalline | | 4 | [SS9-66HD-695N](https://comparepv.com/panel/solarspace-ss9-66hd-695n) | 695 | 22.4 | -0.290 | Monocrystalline | | 5 | [SS9-66HD-690N](https://comparepv.com/panel/solarspace-ss9-66hd-690n) | 690 | 22.2 | -0.290 | Monocrystalline | | 6 | [SS9-66HD-685N](https://comparepv.com/panel/solarspace-ss9-66hd-685n) | 685 | 22.1 | -0.290 | Monocrystalline | | 7 | [SS9-66HD-680N](https://comparepv.com/panel/solarspace-ss9-66hd-680n) | 680 | 21.9 | -0.290 | Monocrystalline | | 8 | [SS9-66HD-675N](https://comparepv.com/panel/solarspace-ss9-66hd-675n) | 675 | 21.7 | -0.290 | Monocrystalline | | 9 | [SS9-66HD-670M](https://comparepv.com/panel/solarspace-ss9-66hd-670m) | 670 | 21.6 | -0.330 | Monocrystalline | | 10 | [SS9-66HD-670N](https://comparepv.com/panel/solarspace-ss9-66hd-670n) | 670 | 21.6 | -0.290 | Monocrystalline | ## Summary Q-Cells is the consumer-facing brand of Hanwha Q CELLS, a division of South Korea's Hanwha Group, which acquired the original German Q-Cells company - founded in 1999 in Bitterfeld-Wolfen, Germany - in 2012. The brand holds a consistent position on BloombergNEF's Tier 1 bankability list and operates the largest solar manufacturing complex in the Western Hemisphere in Dalton, Georgia, with a U.S. module facility in Cartersville targeting roughly 3.3 GW of annual capacity. Solarspace is a Chinese manufacturer founded in 2011 that has grown into a major cell supplier - PV InfoLink ranked it second globally in solar cell shipments in 2024 - with reported n-type cell production capacity exceeding 40 GW and around 6 GW of module output capacity. Solarspace rejoined the BNEF Tier 1 module list in Q2 2024, after a period off the list. In terms of established institutional footprint in Western retail markets, Q-Cells carries the stronger name recognition. On product positioning, Q-Cells focuses on premium residential and commercial rooftop installations across North America, Europe, and Australia. Its Q.ANTUM NEO line is built on TOPCon cell architecture, reaching efficiencies above 22% and a notably low temperature coefficient that benefits hot-climate installations, and it is backed by a 25-year product warranty. Solarspace's portfolio spans a wider power range suited to both residential and utility-scale ground-mount applications, and the company is actively expanding into HJT-based modules as part of a broader N-type strategy. Its commercial center of gravity, however, remains cell supply to other manufacturers rather than branded end-consumer module sales. For a typical residential or small commercial buyer in 2025, Q-Cells is the more practical default: it has deeper distributor networks in North America and Europe, a documented third-party review record, and a more predictable warranty-service infrastructure. Solarspace is a credible option for project developers sourcing directly at scale, particularly where cost-per-watt is the primary driver and the buyer is comfortable engaging a brand whose reputation is stronger on the cell side than in branded retail. \---LINKS--- \- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Hanwha Q CELLS solar panels - expert review 2025 \| review \- https://www.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells solar panels review 2025 - cost, efficiency and performance \| review \- https://www.pv-magazine.com/press-releases/solarspace-rejoins-bnef-tier-1-list-for-q2-2024/ \| SolarSpace rejoins BNEF Tier 1 list for Q2 2024 \| article \- https://a1solarstore.com/blog/solarspace-solar-panels-review-in-depth-look-a1-solarstore.html \| SolarSpace solar panels review 2026 - in-depth look \| review \- https://taiyangnews.info/technology/qcells-to-invest-big-in-tandem-solar \| Q Cells to invest big in tandem solar - taiyangnews \| article Written by claude-sonnet from the figures above. ## Other comparisons - [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy) - [AE Solar vs Solarspace](https://comparepv.com/ae-solar-vs-solarspace) - [Q-Cells vs AEET](https://comparepv.com/q-cells-vs-aeet) - [AIKO vs Solarspace](https://comparepv.com/aiko-vs-solarspace) - [Q-Cells vs AKCOME](https://comparepv.com/q-cells-vs-akcome) - [ARTsolar vs Solarspace](https://comparepv.com/artsolar-vs-solarspace) --- Source: https://comparepv.com/q-cells-vs-solarspace Not in this file, on the page: the distributions above drawn as charts.