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

# Q-Cells vs Renewsys

Q-Cells has the broader catalog (89 vs 45 models). Renewsys leads on peak efficiency at 23.64%. Renewsys leans bifacial (100% of lineup).


## The two companies


| Attribute | Q-Cells | Renewsys |
| --- | --- | --- |
| Country | South Korea | India |
| Headquarters | Seoul | Mumbai |
| Founded | 1999 | 2011 |
| Employees | 2000+ | 1,071 |
| Annual capacity | 11.2 GW/year | 2.5 GW/year |
| Tier 1 | yes | yes |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [http://www.renewsysworld.com](http://www.renewsysworld.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...

RenewSys is the first integrated manufacturer of Solar PV Modules and its key components - Encapsulants, Backsheets, and Solar PV Cells. Established in 2012, RenewSys is the renewable energy arm of the ENPEE Group, a diversified global conglomerate. They have manufacturing facilities in Hyderabad and Bengaluru.


## Catalog & Power


| Measure | Q-Cells | Renewsys | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 45 | +44 |
| Max Power | 675 W | 650 W | +25 W |
| Avg Power | 468 W | 542 W | +74 W |


## Efficiency


| Measure | Q-Cells | Renewsys | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 23.64% | +0.44 pp |
| Avg Efficiency | 21.21% | 22.57% | +1.35 pp |


## Reliability & Warranty


| Measure | Q-Cells | Renewsys | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | -0.294%/°C | +0.031 |
| Bifacial Share | 35 (39%) | 45 (100%) | +61 pp |
| Avg Warranty | 27.0 yrs | 30.0 yrs | +3.0 yr |


## Efficiency distribution

Renewsys skews to higher efficiency: 24% of lineup is 23%+


| Efficiency band | Q-Cells | Renewsys |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 0 |
| 20-21% | 29 (32.6%) | 0 |
| 21-22% | 30 (33.7%) | 8 (17.8%) |
| 22-23% | 21 (23.6%) | 26 (57.8%) |
| 23%+ | 2 (2.2%) | 11 (24.4%) |


## Power distribution

Renewsys offers more 600W+ panels (36% of lineup)


| Power band | Q-Cells | Renewsys |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 0 |
| 400-499W | 41 (46.1%) | 17 (37.8%) |
| 500-599W | 11 (12.4%) | 12 (26.7%) |
| 600-699W | 17 (19.1%) | 16 (35.6%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (100%)


| Technology | Q-Cells | Renewsys |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 0 |
| Unknown | 20 (22.5%) | 0 |
| TOPCon | 8 (9.0%) | 45 (100.0%) |


## 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 |


## Top panels, Renewsys


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [DESERV EXTREME 156X-650](https://comparepv.com/panel/renewsys-deserv-extreme-156x-650) | 650 | 23.3 | -0.292 | Monocrystalline |
| 2 | [DESERV EXTREME 156X-645](https://comparepv.com/panel/renewsys-deserv-extreme-156x-645) | 645 | 23.1 | -0.292 | Monocrystalline |
| 3 | [DESERV EXTREME 156X-640](https://comparepv.com/panel/renewsys-deserv-extreme-156x-640) | 640 | 22.9 | -0.292 | Monocrystalline |
| 4 | [DESERV Extreme 132X 635](https://comparepv.com/panel/renewsys-deserv-extreme-132x-635) | 635 | 23.5 | -0.300 | Monocrystalline |
| 5 | [DESERV EXTREME 156X-635](https://comparepv.com/panel/renewsys-deserv-extreme-156x-635) | 635 | 22.8 | -0.292 | Monocrystalline |
| 6 | [DESERV EXTREME 156X-630](https://comparepv.com/panel/renewsys-deserv-extreme-156x-630) | 630 | 22.6 | -0.292 | Monocrystalline |
| 7 | [DESERV Extreme 132X 630](https://comparepv.com/panel/renewsys-deserv-extreme-132x-630) | 630 | 23.4 | -0.300 | Monocrystalline |
| 8 | [DESERV EXTREME 156X-625](https://comparepv.com/panel/renewsys-deserv-extreme-156x-625) | 625 | 22.4 | -0.292 | Monocrystalline |
| 9 | [DESERV Extreme 132X 625](https://comparepv.com/panel/renewsys-deserv-extreme-132x-625) | 625 | 23.2 | -0.300 | Monocrystalline |
| 10 | [DESERV EXTREME 156X-620](https://comparepv.com/panel/renewsys-deserv-extreme-156x-620) | 620 | 22.2 | -0.292 | Monocrystalline |


## Summary

Q-Cells is the consumer-facing brand of Hanwha Q CELLS, the solar division of South Korea's Hanwha Group conglomerate. The underlying Q-Cells brand was originally founded in Germany in 1999 and acquired by Hanwha in 2012, giving it a lineage that spans more than two decades in module manufacturing. Hanwha Q CELLS holds BloombergNEF Tier 1 status and has announced total module shipments anticipated to exceed 9 GW in 2025, with production facilities spanning South Korea, Malaysia, and a 3.3 GW factory in Cartersville, Georgia, that supports IRA domestic-content eligibility in the United States. RenewSys India, by contrast, was founded in 2011 and is headquartered in Mumbai. It operates three manufacturing plants in Hyderabad, Bengaluru, and Patalganga, with a total installed module manufacturing capacity of 5.6 GW. RenewSys is noted as India's first vertically integrated solar PV manufacturer, producing not only modules but also encapsulants, backsheets, and cells in-house. The company has appeared on Tier 1 solar module lists and earned an EcoVadis Platinum sustainability rating in May 2025. On raw institutional footprint - global distribution, IRA compliance, and decades of bankability track record - Q-Cells holds a clear advantage.

Q-Cells built its reputation on its proprietary Q.ANTUM cell architecture, a PERC-based technology enhanced with passivation layers and anti-LID treatments, and its panels are widely deployed in premium residential rooftop and mid-scale commercial applications across North America, Europe, and Australia, with panel efficiencies confirmed in the 20 to 22.5 percent range for mainstream lines and up to roughly 23.7 percent in newer premium variants. The company has announced plans to expand into TOPCon and perovskite-silicon tandem production as next steps. RenewSys offers its DESERV module family, which spans standard Mono Crystalline and Mono PERC formats as well as N-type TOPCon bifacial modules - including a 600 Wp bifacial TOPCon module with confirmed front-side efficiency around 23.26 percent unveiled in 2023. RenewSys targets domestic Indian utility-scale and commercial rooftop buyers, and its bifacial large-format portfolio makes it well suited for ground-mount projects where rear-side gain can be captured.

For buyers outside South Asia, Q-Cells is the more straightforward default in 2025: its global supply chain, established installer network, US domestic manufacturing, and long warranty track record reduce project-finance friction considerably. For developers and EPCs working within India or looking for competitively priced utility-scale bifacial TOPCon modules with local supply-chain advantages, RenewSys is a credible alternative - particularly given India's domestic content requirements and the company's vertical integration. The two brands serve overlapping but distinct primary markets rather than being direct substitutes in most procurement contexts.

\---LINKS---

\- https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/ \| Hanwha Q CELLS Solar Panels Review 2025 - Expert Analysis \| review

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

\- https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-new-cartersville-factory-set-for-33-gw-of-solar-module-production-per-year.do \| Hanwha Qcells Cartersville factory set for 3.3 GW annual production \| article

\- https://www.pv-magazine.com/2023/10/23/renewsys-unveils-600-w-topcon-solar-module-with-23-26-efficiency/ \| RenewSys unveils 600 W TOPCon solar module with 23.26% efficiency \| article

\- https://www.saurenergy.com/solar-energy-articles/report-on-quality-solar-cell-module-manufacturing-with-renewsys-india \| Report on Quality Solar Cell and Module Manufacturing with RenewSys India \| article

Sources:

\- \[Hanwha Q CELLS Solar Panels Review 2025\](https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/)

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

\- \[Hanwha Qcells Cartersville 3.3 GW Factory\](https://www.hanwha.com/newsroom/news/press-releases/hanwha-qcells-new-cartersville-factory-set-for-33-gw-of-solar-module-production-per-year.do)

\- \[RenewSys 600W TOPCon module - PV Magazine\](https://www.pv-magazine.com/2023/10/23/renewsys-unveils-600-w-topcon-solar-module-with-23-26-efficiency/)

\- \[RenewSys India Manufacturing Report - Saur Energy\](https://www.saurenergy.com/solar-energy-articles/report-on-quality-solar-cell-module-manufacturing-with-renewsys-india)

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 Renewsys](https://comparepv.com/ae-solar-vs-renewsys)
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- [AIKO vs Renewsys](https://comparepv.com/aiko-vs-renewsys)
- [Q-Cells vs AKCOME](https://comparepv.com/q-cells-vs-akcome)
- [ARTsolar vs Renewsys](https://comparepv.com/artsolar-vs-renewsys)


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

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