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

# Canadian Solar vs Vespa Solar Enerji

Canadian Solar has the broader catalog (292 vs 9 models). Canadian Solar leads on peak efficiency at 24.40%. Vespa Solar Enerji leans bifacial (100% of lineup).


## The two companies


| Attribute | Canadian Solar | Vespa Solar Enerji |
| --- | --- | --- |
| Country | Canada | Turkey |
| Headquarters | Kitchener |  |
| Founded | 2001 |  |
| Employees | 17,113 |  |
| Annual capacity | 51 GW/year |  |
| Tier 1 | yes | no |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.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.


## Catalog & Power


| Measure | Canadian Solar | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 9 | +283 |
| Max Power | 730 W | 630 W | +100 W |
| Avg Power | 472 W | 514 W | +43 W |


## Efficiency


| Measure | Canadian Solar | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 23.32% | +1.08 pp |
| Avg Efficiency | 20.66% | 21.31% | +0.65 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.334%/°C | +0.003 |
| Bifacial Share | 133 (46%) | 9 (100%) | +54 pp |
| Avg Warranty | 28.2 yrs | 30.0 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | Canadian Solar | Vespa Solar Enerji |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 3 (33.3%) |
| 21-22% | 41 (14.0%) | 5 (55.6%) |
| 22-23% | 50 (17.1%) | 0 |
| 23%+ | 37 (12.7%) | 1 (11.1%) |


## Power distribution

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


| Power band | Canadian Solar | Vespa Solar Enerji |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 4 (44.4%) |
| 500-599W | 45 (15.4%) | 4 (44.4%) |
| 600-699W | 64 (21.9%) | 1 (11.1%) |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

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

Dominant cell tech: **PERC** (89%)


| Technology | Canadian Solar | Vespa Solar Enerji |
| --- | --- | --- |
| PERC | 195 (66.8%) | 8 (88.9%) |
| TOPCon | 85 (29.1%) | 1 (11.1%) |
| 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 |


## Top panels, Vespa Solar Enerji


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [VSP630DM-G12RT-132H](https://comparepv.com/panel/vespa-solar-enerji-vsp630dm-g12rt-132h) | 630 | 23.3 | -0.290 | Monocrystalline |
| 2 | [VSP555T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp555t-m10-144h) | 555 | 21.5 | -0.340 | Monocrystalline |
| 3 | [VSP550T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp550t-m10-144h) | 550 | 21.3 | -0.340 | Monocrystalline |
| 4 | [VSP545T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp545t-m10-144h) | 545 | 21.1 | -0.340 | Monocrystalline |
| 5 | [VSP540T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp540t-m10-144h) | 540 | 20.9 | -0.340 | Monocrystalline |
| 6 | [VSP460T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp460t-m10-120h) | 460 | 21.2 | -0.340 | Monocrystalline |
| 7 | [VSP455T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp455t-m10-120h) | 455 | 21.0 | -0.340 | Monocrystalline |
| 8 | [VSP450T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp450t-m10-120h) | 450 | 20.8 | -0.340 | Monocrystalline |
| 9 | [VSP445T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp445t-m10-120h) | 445 | 20.6 | -0.340 | Monocrystalline |


## Summary

Canadian Solar is a Canadian manufacturer headquartered in Guelph, Ontario, founded in 2001 by Dr. Shawn Qu. It is consistently ranked at the top of Tier 1 and BloombergNEF bankability lists, with surveyed banks rating its modules as fully bankable. Its manufacturing scale is substantial, with module capacity exceeding 50 GW per year and cumulative shipments surpassing 133 GW, placing it among the largest global suppliers of TOPCon cell technology. Vespa Solar Enerji is a much younger Turkish manufacturer based in Hacilar, Kayseri province, established around 2022, and does not currently appear on standard Tier 1 bankability lists, meaning its institutional footprint is far smaller and less established.

Canadian Solar's product range spans residential rooftop modules, utility-scale ground-mount panels, and commercial and industrial (C&I) systems, with its HiKu and BiKu/BiHiKu series built on N-type TOPCon cells, including bifacial variants that boost rear-side energy capture. Vespa's lineup is narrower, centered on PERC and bifacial panels in the VSP-T series rated between 445 and 555 Wp, generally aimed at the Turkish domestic market and smaller rooftop or commercial projects rather than utility-scale deployments.

For a typical international buyer, especially one requiring project financing or a long operating track record, Canadian Solar is the safer default given its global scale, confirmed Tier 1 status, and extensive shipment history. Vespa Solar Enerji may suit smaller, locally sourced projects in or near Turkey, but given its limited operating history and unconfirmed bankability, it is not currently an equivalent substitute - the two brands are not interchangeable at this stage.

Written by claude-sonnet-5 from the figures above.


## Other comparisons

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


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Source: https://comparepv.com/canadian-solar-vs-vespa-solar-enerji

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