---
title: "Q-Cells vs Ruihuang New Energy and Science - Brand Comparison | ComparePV"
description: "Compare Q-Cells vs Ruihuang New Energy and Science solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/q-cells-vs-ruihuang-new-energy-and-science"
---

# Q-Cells vs Ruihuang New Energy and Science

Q-Cells has the broader catalog (89 vs 0 models). Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | Q-Cells | Ruihuang New Energy and Science |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Xinyu |
| Founded | 1999 | 2018 |
| Employees | 2000+ | 100-200 |
| Annual capacity | 11.2 GW/year | 1-3 GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [https://www.rh-solar.com](https://www.rh-solar.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...

Jiangxi Ruihuang New Energy and Science Co., Ltd. (RHsolar) is a Chinese manufacturer of crystalline silicon solar panels headquartered in Xinyu, Jiangxi Province. The company produces a broad range of photovoltaic modules — including monocrystalline, polycrystalline, PERC, bifacial, TOPCon, and N-type panels — with...


## Catalog & Power


| Measure | Q-Cells | Ruihuang New Energy and Science | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 0 | +89 |
| Max Power | 675 W | 0 W | +675 W |
| Avg Power | 468 W | 0 W | +468 W |


## Efficiency


| Measure | Q-Cells | Ruihuang New Energy and Science | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | - |  |
| Avg Efficiency | 21.21% | - |  |


## Reliability & Warranty


| Measure | Q-Cells | Ruihuang New Energy and Science | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | - |  |
| Bifacial Share | 35 (39%) | 0 (0%) | +39 pp |
| Avg Warranty | 27.0 yrs | - |  |


## Efficiency distribution

Q-Cells skews to higher efficiency: 2% of lineup is 23%+


| Efficiency band | Q-Cells | Ruihuang New Energy and Science |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 0 |
| 20-21% | 29 (32.6%) | 0 |
| 21-22% | 30 (33.7%) | 0 |
| 22-23% | 21 (23.6%) | 0 |
| 23%+ | 2 (2.2%) | 0 |


## Power distribution

Q-Cells offers more 600W+ panels (19% of lineup)


| Power band | Q-Cells | Ruihuang New Energy and Science |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 0 |
| 400-499W | 41 (46.1%) | 0 |
| 500-599W | 11 (12.4%) | 0 |
| 600-699W | 17 (19.1%) | 0 |


## Cell technology

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


| Technology | Q-Cells | Ruihuang New Energy and Science |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 0 |
| Unknown | 20 (22.5%) | 0 |
| TOPCon | 8 (9.0%) | 0 |


## 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 |


## Summary

Q-Cells, now operating as Hanwha Q CELLS under South Korea's Hanwha Group, traces its roots to a German solar pioneer and has grown into one of the most recognizable panel brands globally. Headquartered with major operations in Seoul and a flagship manufacturing campus in Dalton, Georgia - the largest solar factory in the Western Hemisphere - the company holds a confirmed BloombergNEF Tier 1 status and received a $1.45 billion U.S. Department of Energy loan guarantee in late 2024, underscoring its institutional credibility. Total module shipments are projected to exceed 9 GW in 2025. Jiangxi Ruihuang New Energy and Science Co., Ltd. is a considerably smaller Chinese manufacturer founded in 2018 and based in Xinyu City, Jiangxi Province. Its stated annual production capacity is approximately 3 GW, though it does not appear on published BloombergNEF Tier 1 lists, and independent third-party coverage of the brand is scarce. In terms of institutional footprint and financial backing, Q-Cells is significantly ahead.

On the product side, Q-Cells centers its premium lineup around Q.ANTUM NEO, an N-type TOPCon cell architecture that enables efficiency ratings above 22% and a notably low temperature coefficient, making the panels well suited to hot climates. The flagship Q.TRON series targets residential rooftops and light-commercial installations, backed by 25-year product and performance warranties. Ruihuang's catalog spans a broad wattage range from compact modules up to 660 Wp and covers polycrystalline, monocrystalline PERC, bifacial, and TOPCon variants, positioning the brand as a flexible OEM-style supplier for residential, commercial, and small-scale utility projects. However, detailed independent efficiency benchmarks or field-test data for Ruihuang panels are not readily available in major review publications.

For a typical buyer in 2025, Q-Cells is the more defensible choice: its Tier 1 bankability, vertically integrated U.S. manufacturing, robust warranty infrastructure, and well-documented performance data reduce project risk substantially. Ruihuang may appeal to cost-sensitive buyers or OEM procurement contexts where price per watt matters more than brand pedigree, but the limited third-party validation means buyers would need to conduct additional due diligence before committing to large deployments.

\---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.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells Solar Panels Review 2025 - Cost, Efficiency and Performance \| review

\- https://carboncredits.com/hanwha-qcells-shines-with-record-breaking-solar-cell-efficiency-and-1-45-billion-doe-loan/ \| Hanwha Qcells DOE $1.45B loan and record cell efficiency \| article

\- https://www.enfsolar.com/ruihuang-new-energy-and-science \| Jiangxi Ruihuang New Energy and Science - ENF Solar Directory \| article

\- https://www.pv-tech.org/hanwha\_q\_cells\_to\_expand\_capacity\_after\_us188\_million\_cash\_injection/ \| Hanwha Q CELLS capacity expansion financing - PV Tech \| article

Sources:

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

\- \[QCells Solar Panels Review 2025 - EcoWatch\](https://www.ecowatch.com/solar/reviews/qcells-solar-panels)

\- \[Hanwha Qcells DOE Loan and Record Efficiency - Carbon Credits\](https://carboncredits.com/hanwha-qcells-shines-with-record-breaking-solar-cell-efficiency-and-1-45-billion-doe-loan/)

\- \[Jiangxi Ruihuang New Energy and Science - ENF Solar\](https://www.enfsolar.com/ruihuang-new-energy-and-science)

\- \[Hanwha Q CELLS capacity expansion - PV Tech\](https://www.pv-tech.org/hanwha\_q\_cells\_to\_expand\_capacity\_after\_us188\_million\_cash\_injection/)

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/q-cells-vs-ruihuang-new-energy-and-science

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