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

# Q-Cells vs VNS Bulgaria

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


## The two companies


| Attribute | Q-Cells | VNS Bulgaria |
| --- | --- | --- |
| Country | South Korea | Bulgaria |
| Headquarters | Seoul | Kurdjali |
| Founded | 1999 | 2009 |
| Employees | 2000+ | null |
| Annual capacity | 11.2 GW/year | null GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [https://solarstreetlighteu.com](https://solarstreetlighteu.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...

VNS Bulgaria Ltd. was established in 2009 and focuses on manufacturing and construction of solar street lighting, solar park lighting, LED street lamps, photovoltaic systems, and various other solar systems. The company utilizes innovative technologies in its designs and constructions and has completed over 1000...


## Catalog & Power


| Measure | Q-Cells | VNS Bulgaria | 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 | VNS Bulgaria | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | - |  |
| Avg Efficiency | 21.21% | - |  |


## Reliability & Warranty


| Measure | Q-Cells | VNS Bulgaria | 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 | VNS Bulgaria |
| --- | --- | --- |
| \<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 | VNS Bulgaria |
| --- | --- | --- |
| \<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 | VNS Bulgaria |
| --- | --- | --- |
| 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, trading as Hanwha Q CELLS, is a South Korean-headquartered manufacturer under the Hanwha Group conglomerate, with roots tracing back to the original Q-Cells GmbH founded in Germany in 1999 and acquired by Hanwha in 2012. It is a confirmed BloombergNEF Tier 1 bankable manufacturer and is consistently ranked among the top-tier solar producers globally, with combined global production capacity reported at over 11 GW annually and a major U.S. manufacturing hub in Georgia rated at several gigawatts of module output. VNS Bulgaria, by contrast, is a Bulgaria-based wholesale distributor and reseller, not a solar panel manufacturer in its own right. The company sources and re-sells panels from established Chinese producers including LONGi, Jinko Solar, Trina Solar, JA Solar, and Canadian Solar. It holds no independent production capacity and no Tier 1 classification of its own. In terms of institutional footprint and financial standing, Q-Cells is by a substantial margin the larger and more bankable entity.

Q-Cells' own panel families are built around its proprietary Q.ANTUM PERC cell technology, which the company has developed and refined over many years to achieve efficiencies reportedly up to 22.5% on its residential lines, with TOPCon and perovskite-silicon tandem formats in active development for future generations. Products span premium residential rooftop modules, commercial rooftop arrays, and utility-scale installations. VNS Bulgaria's "product range" is effectively the catalogs of the brands it distributes - including LONGi Hi-MO 7 and Jinko TOPCon N-type lines - so buyers are ultimately purchasing those brands' panels, simply through a Bulgarian intermediary.

For a buyer evaluating these two names directly, the comparison is not straightforward because they operate at different levels of the supply chain. Q-Cells is the better default for a buyer seeking a branded, warrantied panel from a bankable manufacturer with its own R&D and quality control. VNS Bulgaria is relevant primarily to buyers in the Balkans and southeastern Europe who want competitive wholesale pricing on mainstream Chinese brands through a local logistics and service partner - not a substitute for Q-Cells on the same terms.

\---LINKS---

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

\- https://www.enfsolar.com/vns-bulgaria \| VNS Bulgaria Ltd. company profile - ENF Solar directory \| article

\- https://www.pv-magazine.com/2021/09/13/hanwha-q-cells-unveils-plan-to-produce-perovskite-topcon-solar-modules/ \| Hanwha Q-Cells plan for perovskite and TOPCon modules - PV Magazine \| article

\- 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 capacity announcement \| article

Sources:

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

\- \[VNS Bulgaria Ltd. - ENF Solar\](https://www.enfsolar.com/vns-bulgaria)

\- \[Hanwha Q CELLS unveils plan for perovskite and TOPCon modules - PV Magazine\](https://www.pv-magazine.com/2021/09/13/hanwha-q-cells-unveils-plan-to-produce-perovskite-topcon-solar-modules/)

\- \[Hanwha Qcells Cartersville factory - 3.3 GW capacity\](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-vns-bulgaria

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