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

# Canadian Solar vs Sirius PV

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


## The two companies


| Attribute | Canadian Solar | Sirius PV |
| --- | --- | --- |
| Country | Canada | Turkey |
| Headquarters | Kitchener | Ankara |
| Founded | 2001 | 2021 |
| Employees | 17,113 | 500-1000 |
| Annual capacity | 51 GW/year | 3-5 GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://siriuspv.com](https://siriuspv.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.

Sirius PV is a solar photovoltaic module manufacturer established in 2021 as a brand and subsidiary of Elin A.Ş., a Turkish industrial group founded in 1981. The company operates multiple automated production facilities across Europe and the United States, with a combined capacity of over 3.5 GW, positioning itself as...


## Catalog & Power


| Measure | Canadian Solar | Sirius PV | 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 | Sirius PV | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | - |  |
| Avg Efficiency | 20.66% | - |  |


## Reliability & Warranty


| Measure | Canadian Solar | Sirius PV | 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 | Sirius PV |
| --- | --- | --- |
| \<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 | Sirius PV |
| --- | --- | --- |
| \<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 | Sirius PV |
| --- | --- | --- |
| 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 Canadian-founded manufacturer established in 2001 by Dr. Shawn Qu and publicly listed on NASDAQ since 2006. The company operates at a scale few peers can match, with targeted module production capacity in the range of 50 GW or more per year and quarterly shipments of roughly 4 GW as of late 2025, reaching customers in over 70 countries. It holds a confirmed place on S&P Global Commodity Insights' Premier List of Tier 1 Cleantech Companies for 2025 and is widely recognized for strong institutional bankability. Sirius PV, by contrast, is a younger brand established in 2021 as a subsidiary of Elin Energy, a group that traces its roots to 1981 and operates manufacturing in Europe and, since 2024, a dedicated module factory in Brookshire, Texas, with a stated US capacity ramping toward 2 GW per year. Sirius PV describes itself as Tier 1 and claims a strong bankability standing in the United States, though its institutional track record is considerably shorter than Canadian Solar's. Canadian Solar holds a substantially stronger global footprint by any measure of scale, history, or market breadth.

Canadian Solar offers a broad product portfolio spanning residential rooftop systems, commercial installations, and utility-scale ground mounts. Its flagship HiHero line uses HJT cell technology and has been independently reviewed by DNV, reaching module efficiencies confirmed above 23 percent. The company also produces separate TOPCon-based lines such as the TOPBiHiKu series, giving installers a range of price-to-performance options across project types. Sirius PV's current catalog centers on half-cut bifacial monocrystalline modules in the 405-560 W range, with some models carrying the "-N" designation indicating TOPCon cell architecture. The brand's primary differentiator in the US market is its domestic Texas manufacturing, which is relevant for buyers seeking Made-in-USA content for incentive qualification under the Inflation Reduction Act. Sirius PV positions itself toward residential and light-commercial installers who value supply chain transparency and local production over breadth of choice.

For most buyers in 2025, Canadian Solar is the safer default: deeper supply chain redundancy, a decades-long bankability record, broader independent test data, and product lines covering virtually every segment. Sirius PV is a credible option for US-based projects where domestic content requirements matter or where a buyer specifically wants to support a smaller manufacturer with American assembly. The two brands are not interchangeable on institutional grounds, but for a straightforward residential or small-commercial install, either can deliver a reliable panel - the gap is most visible in large utility or finance-backed projects where lender due diligence on the manufacturer becomes a critical factor.

\---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://investors.canadiansolar.com/news-releases/news-release-details/canadian-solar-reports-fourth-quarter-and-full-year-2025-results \| Canadian Solar Q4 and Full Year 2025 Results \| article

\- https://www.energysage.com/supplier/28518/sirius-pv-by-elin-energy/ \| Sirius PV by Elin Energy - Profile and Reviews 2026 - EnergySage \| review

\- https://www.energysage.com/solar-panels/sirius-pv-by-elin-energy/ \| Sirius PV by Elin Energy Solar Panels - EnergySage \| review

\- https://www.dnv.com/cases/elin-energy-independent-review-helps-elin-energy-open-new-us-pv-factory/ \| DNV independent review helps Elin Energy open new US PV factory \| 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)

\- \[Canadian Solar Q4 and Full Year 2025 Results\](https://investors.canadiansolar.com/news-releases/news-release-details/canadian-solar-reports-fourth-quarter-and-full-year-2025-results)

\- \[Sirius PV by Elin Energy - EnergySage Profile\](https://www.energysage.com/supplier/28518/sirius-pv-by-elin-energy/)

\- \[Sirius PV Solar Panels - EnergySage\](https://www.energysage.com/solar-panels/sirius-pv-by-elin-energy/)

\- \[DNV review helps Elin Energy open US factory\](https://www.dnv.com/cases/elin-energy-independent-review-helps-elin-energy-open-new-us-pv-factory/)

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 Sirius PV](https://comparepv.com/ae-solar-vs-sirius-pv)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs Sirius PV](https://comparepv.com/aiko-vs-sirius-pv)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs Sirius PV](https://comparepv.com/artsolar-vs-sirius-pv)


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Source: https://comparepv.com/canadian-solar-vs-sirius-pv

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