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

# Q-Cells vs Ulica Solar

Q-Cells has the broader catalog (89 vs 76 models). Ulica Solar leads on peak efficiency at 23.88%. Ulica Solar leans bifacial (58% of lineup).


## The two companies


| Attribute | Q-Cells | Ulica Solar |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Jiaxing |
| Founded | 1999 | 2014 |
| 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.ulicasolar.com](https://www.ulicasolar.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 | Ulica Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 76 | +13 |
| Max Power | 675 W | 715 W | +40 W |
| Avg Power | 468 W | 564 W | +95 W |


## Efficiency


| Measure | Q-Cells | Ulica Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 23.88% | +0.68 pp |
| Avg Efficiency | 21.21% | 22.26% | +1.05 pp |


## Reliability & Warranty


| Measure | Q-Cells | Ulica Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | -0.303%/°C | +0.022 |
| Bifacial Share | 35 (39%) | 44 (58%) | +19 pp |
| Avg Warranty | 27.0 yrs | 29.3 yrs | +2.3 yr |


## Efficiency distribution

Ulica Solar skews to higher efficiency: 14% of lineup is 23%+


| Efficiency band | Q-Cells | Ulica Solar |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 0 |
| 20-21% | 29 (32.6%) | 4 (5.3%) |
| 21-22% | 30 (33.7%) | 16 (21.1%) |
| 22-23% | 21 (23.6%) | 45 (59.2%) |
| 23%+ | 2 (2.2%) | 11 (14.5%) |


## Power distribution

Ulica Solar offers more 600W+ panels (43% of lineup)


| Power band | Q-Cells | Ulica Solar |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 1 (1.3%) |
| 400-499W | 41 (46.1%) | 22 (28.9%) |
| 500-599W | 11 (12.4%) | 20 (26.3%) |
| 600-699W | 17 (19.1%) | 29 (38.2%) |
| 700W+ | 0 | 4 (5.3%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (95%)


| Technology | Q-Cells | Ulica Solar |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 4 (5.3%) |
| Unknown | 20 (22.5%) | 0 |
| TOPCon | 8 (9.0%) | 72 (94.7%) |


## 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, Ulica Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [UL-715M-132DGN](https://comparepv.com/panel/ulica-solar-ul-715m-132dgn) | 715 | 23.0 | -0.290 | Monocrystalline |
| 2 | [UL-710M-132DGN](https://comparepv.com/panel/ulica-solar-ul-710m-132dgn) | 710 | 22.9 | -0.290 | Monocrystalline |
| 3 | [UL-705M-132DGN](https://comparepv.com/panel/ulica-solar-ul-705m-132dgn) | 705 | 22.7 | -0.290 | Monocrystalline |
| 4 | [UL-700M-132DGN](https://comparepv.com/panel/ulica-solar-ul-700m-132dgn) | 700 | 22.5 | -0.290 | Monocrystalline |
| 5 | [UL-670M-132DG](https://comparepv.com/panel/ulica-solar-ul-670m-132dg) | 670 | 21.6 | -0.340 | Monocrystalline |
| 6 | [UL-670M-132HV](https://comparepv.com/panel/ulica-solar-ul-670m-132hv) | 670 | 21.6 | -0.340 | Monocrystalline |
| 7 | [UL-665M-132HV](https://comparepv.com/panel/ulica-solar-ul-665m-132hv) | 665 | 21.4 | -0.340 | Monocrystalline |
| 8 | [UL-665M-132DG](https://comparepv.com/panel/ulica-solar-ul-665m-132dg) | 665 | 21.4 | -0.340 | Monocrystalline |
| 9 | [UL-660M-132DG](https://comparepv.com/panel/ulica-solar-ul-660m-132dg) | 660 | 21.2 | -0.340 | Monocrystalline |
| 10 | [UL-660M-132HV](https://comparepv.com/panel/ulica-solar-ul-660m-132hv) | 660 | 21.2 | -0.340 | Monocrystalline |


## Summary

Q-Cells is a South Korean-owned solar brand with German engineering roots, originally founded in Germany in 1999 and acquired by Hanwha Group of South Korea in 2012. Headquartered in Seoul with major manufacturing in Jincheon, South Korea, and a flagship US factory in Dalton, Georgia - the largest solar module plant in the Western Hemisphere - Hanwha Q-Cells holds Bloomberg NEF Tier 1 bankable status and operates a combined global module capacity reported at over 11 GW per year. Ulica Solar, formally Ningbo Ulica Solar Co., Ltd., is a Chinese manufacturer established in 2005 and based in Ningbo, Zhejiang. It also carries Bloomberg NEF Tier 1 status and exports to over 100 countries, but it operates at a notably smaller institutional scale than Hanwha Q-Cells and carries less brand recognition in Western retail channels. On institutional footprint and market visibility, Q-Cells holds a clear advantage.

Q-Cells built its reputation on Q.ANTUM, a proprietary PERC-based cell architecture, and has been expanding into TOPCon production lines alongside long-term perovskite-tandem research. Its panels are well suited to premium residential rooftop installations and mid-size commercial projects, particularly in the US and Europe where its local manufacturing matters for trade policy compliance. Ulica Solar's portfolio spans residential, commercial, and utility-scale segments, with its more recent lines using N-type TOPCon cell technology and bifacial formats that make it competitive in cost-sensitive commercial and ground-mount applications. Ulica is better represented in markets like Australia, parts of Europe, and Southeast Asia than in North America.

For a typical buyer in 2025, Q-Cells is the lower-risk default choice - its US manufacturing, deep warranty infrastructure under Hanwha, and top-three industry rankings give it stronger long-term support credentials. Ulica Solar is a legitimate Tier 1 option for buyers where price sensitivity or regional distributor relationships are primary drivers, but it requires more due diligence on local installer familiarity and after-sales support.

\---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 - The Complete Review - EnergySage \| review

\- https://www.solarquotes.com.au/panels/ulica-review.html \| Ulica Solar Panels Review - SolarQuotes \| review

\- https://comparepv.com/reviews/ulica-solar \| Ulica Solar Panels Review 2026 - Pros Cons and Specs - ComparePV \| 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 - 3.3 GW module production per year \| 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/)

\- \[Ulica Solar Panels Review - SolarQuotes\](https://www.solarquotes.com.au/panels/ulica-review.html)

\- \[Ulica Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/ulica-solar)

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

Written by claude-sonnet from the figures above.


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---

Source: https://comparepv.com/q-cells-vs-ulica-solar

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