---
title: "Q-Cells vs Sunova - Brand Comparison | ComparePV"
description: "Compare Q-Cells vs Sunova solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/q-cells-vs-sunova"
---

# Q-Cells vs Sunova

Sunova has the broader catalog (183 vs 89 models). Sunova leans bifacial (92% of lineup).


## The two companies


| Attribute | Q-Cells | Sunova |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Hefei |
| Founded | 1999 | 2008 |
| Employees | 2000+ |  |
| Annual capacity | 11.2 GW/year |  |
| Tier 1 | yes | no |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [https://www.sunovasolar.com](https://www.sunovasolar.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...


## Catalog & Power


| Measure | Q-Cells | Sunova | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 183 | +94 |
| Max Power | 675 W | 720 W | +45 W |
| Avg Power | 468 W | 523 W | +55 W |


## Efficiency


| Measure | Q-Cells | Sunova | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 23.20% |  |
| Avg Efficiency | 21.21% | 21.60% | +0.38 pp |


## Reliability & Warranty


| Measure | Q-Cells | Sunova | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | -0.317%/°C | +0.008 |
| Bifacial Share | 35 (39%) | 168 (92%) | +52 pp |
| Avg Warranty | 27.0 yrs | 28.4 yrs | +1.4 yr |


## Efficiency distribution

Sunova skews to higher efficiency: 5% of lineup is 23%+


| Efficiency band | Q-Cells | Sunova |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 0 |
| 20-21% | 29 (32.6%) | 46 (25.1%) |
| 21-22% | 30 (33.7%) | 70 (38.3%) |
| 22-23% | 21 (23.6%) | 57 (31.1%) |
| 23%+ | 2 (2.2%) | 10 (5.5%) |


## Power distribution

Sunova offers more 600W+ panels (22% of lineup)


| Power band | Q-Cells | Sunova |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 0 |
| 400-499W | 41 (46.1%) | 84 (45.9%) |
| 500-599W | 11 (12.4%) | 58 (31.7%) |
| 600-699W | 17 (19.1%) | 31 (16.9%) |
| 700W+ | 0 | 10 (5.5%) |


## Cell technology

Dominant cell tech: **PERC** (43%)

Dominant cell tech: **PERC** (49%)


| Technology | Q-Cells | Sunova |
| --- | --- | --- |
| PERC | 38 (42.7%) | 89 (48.6%) |
| N-type | 23 (25.8%) | 72 (39.3%) |
| Unknown | 20 (22.5%) | 10 (5.5%) |
| TOPCon | 8 (9.0%) | 12 (6.6%) |


## 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, Sunova


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TS-BGT66(720)-G12](https://comparepv.com/panel/sunova-ts-bgt66-720-g12) | 720 | 23.2 | -0.300 | Monocrystalline |
| 2 | [TS-BWT66(720)-G12](https://comparepv.com/panel/sunova-ts-bwt66-720-g12) | 720 | 23.2 | -0.290 | Monocrystalline |
| 3 | [TS-BGT66(715)-G12](https://comparepv.com/panel/sunova-ts-bgt66-715-g12) | 715 | 23.0 | -0.300 | Monocrystalline |
| 4 | [TS-BWT66(715)-G12](https://comparepv.com/panel/sunova-ts-bwt66-715-g12) | 715 | 23.0 | -0.290 | Monocrystalline |
| 5 | [TS-BGT66(710)-G12](https://comparepv.com/panel/sunova-ts-bgt66-710-g12) | 710 | 22.9 | -0.300 | Monocrystalline |
| 6 | [TS-BWT66(710)-G12](https://comparepv.com/panel/sunova-ts-bwt66-710-g12) | 710 | 22.9 | -0.290 | Monocrystalline |
| 7 | [TS-BGT66(705)-G12](https://comparepv.com/panel/sunova-ts-bgt66-705-g12) | 705 | 22.7 | -0.300 | Monocrystalline |
| 8 | [TS-BWT66(705)-G12](https://comparepv.com/panel/sunova-ts-bwt66-705-g12) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [TS-BGT66(700)-G12](https://comparepv.com/panel/sunova-ts-bgt66-700-g12) | 700 | 22.5 | -0.300 | Monocrystalline |
| 10 | [TS-BWT66(700)-G12](https://comparepv.com/panel/sunova-ts-bwt66-700-g12) | 700 | 22.5 | -0.290 | Monocrystalline |


## Summary

Q-Cells, now operated under Hanwha Solutions - the South Korean conglomerate Hanwha Group - carries deep German engineering roots from the original Q-Cells GmbH, which Hanwha acquired in 2012. The brand holds consistent BloombergNEF Tier 1 status and was named an S&P Global 2025 Tier 1 cleantech company. Global module production capacity is reported at roughly 11 GW per year, with a significant American manufacturing footprint in Cartersville, Georgia that makes it the only company in North America producing solar components across the full supply chain. Sunova Solar Technology Co., Ltd. is a Chinese manufacturer headquartered in Sichuan province, with around 5.5 GW of module production capacity operational and a further 4.5 GW under construction. It has held continuous BNEF Tier 1 status for over a year as of late 2024, and cumulative global shipments reached 7.1 GW by the end of that year. In terms of institutional scale and brand recognition in Western markets, Q-Cells holds the stronger footprint by a considerable margin.

Q-Cells' current product portfolio centers on the Q.TRON series, which uses the company's proprietary Q.ANTUM NEO TOPCon cell architecture and targets premium residential rooftops with peak efficiencies confirmed at around 22.5%. The Q.PEAK DUO and related lines extend coverage into commercial and utility-scale ground mounts. All current residential models carry a 25-year product and performance warranty, with the Q.TRON series guaranteeing at least 90.58% output retention at year 25. Sunova offers both N-type TOPCon and HJT bifacial modules, with the large-format TOPCon line suited to commercial and utility installations, while the HJT line occupies a premium niche for buyers who prioritize very low temperature coefficients and strong low-light performance.

For a typical buyer in 2025, Q-Cells is the safer default. Its combination of BNEF Tier 1 status, domestic U.S. manufacturing - relevant for IRA incentive compliance - an extensive installer network, and well-documented warranty support gives it a clear edge in residential and small commercial projects. Sunova Solar is a credible Tier 1 alternative and may appeal to cost-conscious utility or commercial buyers seeking bifacial TOPCon or HJT technology, but its brand recognition and after-sales infrastructure in Western markets remain notably thinner.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Expert Review of Qcells Solar Panels for 2025 - SolarReviews \| review

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/ \| Q-Cells Solar Panels Complete Review - EnergySage \| review

\- https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do \| Hanwha Qcells named 2025 S&P Global Tier 1 cleantech company \| article

\- https://www.pv-magazine.com/press-releases/sunova-solar-listed-as-tier-1-module-manufacturer-by-bnef/ \| Sunova Solar listed as Tier 1 module manufacturer by BNEF - pv magazine \| article

Sources:

\- \[Expert Review of Qcells Solar Panels for 2025 - SolarReviews\](https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review)

\- \[Q-Cells Solar Panels Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/)

\- \[Hanwha Qcells named 2025 S&P Global Tier 1 cleantech company\](https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-named-an-s-p-global-2025-tier-1-cleantech-company.do)

\- \[Sunova Solar listed as Tier 1 module manufacturer by BNEF - pv magazine\](https://www.pv-magazine.com/press-releases/sunova-solar-listed-as-tier-1-module-manufacturer-by-bnef/)

Written by claude-sonnet from the figures above.


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- [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy)
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- [AIKO vs Sunova](https://comparepv.com/aiko-vs-sunova)
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- [ARTsolar vs Sunova](https://comparepv.com/artsolar-vs-sunova)


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Source: https://comparepv.com/q-cells-vs-sunova

Not in this file, on the page: the distributions above drawn as charts.