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

# Canadian Solar vs VNS Bulgaria

Canadian Solar has the broader catalog (292 vs 0 models). Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Canadian Solar | VNS Bulgaria |
| --- | --- | --- |
| Country | Canada | Bulgaria |
| Headquarters | Kitchener | Kurdjali |
| Founded | 2001 | 2009 |
| Employees | 17,113 | null |
| Annual capacity | 51 GW/year | null GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://solarstreetlighteu.com](https://solarstreetlighteu.com) |

Canadian Solar Inc. is a global renewable energy company founded in 2001. Headquartered in Kitchener, Ontario, it manufactures solar PV modules and provides battery energy storage solutions. The company also develops utility-scale solar power and battery energy storage projects.

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 | Canadian Solar | VNS Bulgaria | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 0 | +292 |
| Max Power | 730 W | 0 W | +730 W |
| Avg Power | 472 W | 0 W | +472 W |


## Efficiency


| Measure | Canadian Solar | VNS Bulgaria | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | - |  |
| Avg Efficiency | 20.66% | - |  |


## Reliability & Warranty


| Measure | Canadian Solar | VNS Bulgaria | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | - |  |
| Bifacial Share | 133 (46%) | 0 (0%) | +46 pp |
| Avg Warranty | 28.2 yrs | - |  |


## Efficiency distribution

Canadian Solar skews to higher efficiency: 13% of lineup is 23%+


| Efficiency band | Canadian Solar | VNS Bulgaria |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 0 |
| 21-22% | 41 (14.0%) | 0 |
| 22-23% | 50 (17.1%) | 0 |
| 23%+ | 37 (12.7%) | 0 |


## Power distribution

Canadian Solar offers more 600W+ panels (24% of lineup)


| Power band | Canadian Solar | VNS Bulgaria |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 0 |
| 500-599W | 45 (15.4%) | 0 |
| 600-699W | 64 (21.9%) | 0 |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

Dominant cell tech: **PERC** (67%)


| Technology | Canadian Solar | VNS Bulgaria |
| --- | --- | --- |
| PERC | 195 (66.8%) | 0 |
| TOPCon | 85 (29.1%) | 0 |
| HJT | 12 (4.1%) | 0 |


## Top panels, Canadian Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CS7N-730TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-730tb-ag) | 730 | 23.5 | -0.290 | Monocrystalline |
| 2 | [CS7N-725TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-725tb-ag) | 725 | 23.3 | -0.290 | Monocrystalline |
| 3 | [CS7N-720TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-720tb-ag) | 720 | 23.2 | -0.290 | Monocrystalline |
| 4 | [CS7N-715TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-715tb-ag) | 715 | 23.0 | -0.290 | Monocrystalline |
| 5 | [CS7N-710TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-710tb-ag) | 710 | 22.9 | -0.290 | Monocrystalline |
| 6 | [CS7N-705TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-705tb-ag) | 705 | 22.7 | -0.290 | Monocrystalline |
| 7 | [CS7N-700TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-700tb-ag) | 700 | 22.5 | -0.290 | Monocrystalline |
| 8 | [CS7N-695TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-695tb-ag) | 695 | 22.4 | -0.290 | Monocrystalline |
| 9 | [CS7N-690TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-690tb-ag) | 690 | 22.2 | -0.290 | Monocrystalline |
| 10 | [CS7N-675MS](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-675ms) | 675 | 21.7 | -0.340 | Monocrystalline |


## Summary

Canadian Solar is a publicly traded solar manufacturer founded in 2001 and headquartered in Guelph, Ontario, Canada, with its primary manufacturing base spread across China and Southeast Asia. The company has been listed on NASDAQ since 2006 and was named to S&P Global Commodity Insights' inaugural 2025 Tier 1 Cleantech Companies list for both photovoltaic modules and battery energy storage systems. Its planned module manufacturing capacity stood at approximately 61 GW as of late 2025, placing it firmly among the handful of truly global-scale solar producers. VNS Bulgaria, by contrast, is a Bulgarian-based company classified by ENF Solar as a distributor and wholesaler - not a panel manufacturer - carrying products from LONGi, Jinko, Trina, Canadian Solar, Risen, and JA Solar, among others. No evidence of independent Tier 1 recognition, dedicated cell or wafer production, or a published gigawatt-scale shipment record emerged from available sources. Canadian Solar holds an overwhelmingly stronger institutional footprint by any conventional bankability measure.

Canadian Solar's own product line spans three confirmed technology tiers: the HiKu series based on PERC cell technology for residential and small-scale installations, the TOPHiKu series using monofacial N-type TOPCon cells suited to commercial and self-consumption projects, and the TOPBiHiKu series featuring bifacial N-type TOPCon designed for utility-scale ground mounts. SolarReviews ranked it the top solar panel brand of 2025, and EnergySage reports the TOPHiKu6 as the most commonly quoted panel on their platform. VNS Bulgaria's panel datasheets on ENF reference models that correspond to LONGi and Trina OEM lines, suggesting the company either relabels OEM product or simply lists distributed inventory under its own name. No independent performance reviews or cell-technology disclosures specific to a VNS Bulgaria-branded module were found.

For a typical buyer in 2025, Canadian Solar is the clear default: it offers a documented 25-year product warranty, a 30-year performance guarantee, proven installer networks across most major markets, and a bankability record that satisfies project finance requirements. VNS Bulgaria may serve a legitimate procurement function for buyers in Bulgaria or nearby Balkan markets seeking aggregated access to multiple brands, but it is not a manufacturer in the same sense and the two entities are not meaningfully interchangeable.

\---LINKS---

\- https://www.prnewswire.com/news-releases/canadian-solar-makes-sp-global-commodity-insights-premier-list-of-tier-1-cleantech-companies-2025-302553562.html \| Canadian Solar named to S&P Global Tier 1 Cleantech list 2025 \| article

\- https://www.solarreviews.com/blog/canadian-solar-panels-expert-review \| Canadian Solar Panels 2025 Expert Review - SolarReviews \| review

\- https://www.energysage.com/solar-panels/canadian-solar-inc/ \| Canadian Solar Inc. Solar Panels - EnergySage \| review

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

Sources:

\- \[Canadian Solar named to S&P Global Tier 1 Cleantech list 2025\](https://www.prnewswire.com/news-releases/canadian-solar-makes-sp-global-commodity-insights-premier-list-of-tier-1-cleantech-companies-2025-302553562.html)

\- \[Canadian Solar Panels 2025 Expert Review - SolarReviews\](https://www.solarreviews.com/blog/canadian-solar-panels-expert-review)

\- \[Canadian Solar Inc. Solar Panels - EnergySage\](https://www.energysage.com/solar-panels/canadian-solar-inc/)

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

Written by claude-sonnet from the figures above.


## Other comparisons

- [Canadian Solar vs A.B. Energy](https://comparepv.com/canadian-solar-vs-a-b-energy)
- [AE Solar vs VNS Bulgaria](https://comparepv.com/ae-solar-vs-vns-bulgaria)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs VNS Bulgaria](https://comparepv.com/aiko-vs-vns-bulgaria)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs VNS Bulgaria](https://comparepv.com/artsolar-vs-vns-bulgaria)


---

Source: https://comparepv.com/canadian-solar-vs-vns-bulgaria

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