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

# Canadian Solar vs SEG Solar

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


## The two companies


| Attribute | Canadian Solar | SEG Solar |
| --- | --- | --- |
| Country | Canada | United States |
| Headquarters | Kitchener | Houston |
| Founded | 2001 | 2016 |
| Employees | 17,113 |  |
| Annual capacity | 51 GW/year | 6+ GW/year |
| Tier 1 | yes | yes |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.segsolar.com](https://www.segsolar.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.

SEG Solar is a vertically integrated solar photovoltaic module manufacturer headquartered in Houston, Texas, with manufacturing operations in the USA and Indonesia. The company serves utility, commercial, and residential markets, and by end of 2024 had shipped over 6 GW of modules globally. SEG Solar is one of the few...


## Catalog & Power


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


## Reliability & Warranty


| Measure | Canadian Solar | SEG Solar | 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 | SEG Solar |
| --- | --- | --- |
| \<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 | SEG Solar |
| --- | --- | --- |
| \<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 | SEG Solar |
| --- | --- | --- |
| 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 company established in 2001, with headquarters in Guelph, Ontario, and the majority of its manufacturing based in Asia. It holds Tier 1 bankability status from BloombergNEF and in 2025 was also named to the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies. With a module production capacity that its FY2025 filings place at approximately 59 GW, it is consistently ranked among the five largest solar manufacturers in the world. SEG Solar is a Chinese-founded manufacturer that has made a notable push into U.S.-based production, operating multiple domestic factories and announcing plans to reach 10.6 GW of combined U.S. capacity - positioning it as the largest domestically manufacturing solar brand in America. SEG Solar has also earned a BNEF Tier 1 designation. In terms of global institutional footprint and two-decade track record, Canadian Solar carries the broader recognition.

Canadian Solar's product range spans residential, commercial, and utility-scale segments, with its TOPCon-based TOPHiKu6 line being among the most frequently quoted panels on installer platforms like EnergySage in 2025. The company also produces HJT modules under its HiHero brand for buyers seeking premium low-degradation performance. SEG Solar focuses its catalog around the Yukon N series, an N-type TOPCon lineup spanning monofacial, bifacial, and all-black configurations that targets mid-premium residential rooftops and utility ground-mounts. SEG's panels have received "Top Performer" recognition from PVEL and favorable ratings in PV Magazine tests, suggesting solid quality control relative to its price point.

For most buyers in 2025, Canadian Solar is the lower-risk default given its longer track record, wider installer familiarity, and deeper supply chain. SEG Solar is a compelling alternative - particularly for U.S. buyers seeking domestically manufactured panels to qualify for IRA-related incentives - but buyers should weigh its shorter history and rapidly evolving production footprint against those advantages.

\---LINKS---

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

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/canadian-solar-panels-complete-review/ \| Canadian Solar Panels Complete Review - EnergySage \| review

\- https://www.paradisesolarenergy.com/blog/seg-solar-panel-review/ \| SEG Solar Panel Review: Are They Worth It? - Paradise Energy \| review

\- https://www.pv-magazine.com/2024/02/15/seg-solar-unveils-700-w-topcon-solar-modules-with-22-53-efficiency/ \| SEG Solar unveils 700 W TOPCon solar modules - PV Magazine \| article

\- https://taiyangnews.info/markets/seg-solar-expanding-us-module-production-capacity-to-6-gw \| SEG Solar Expanding US Module Production Capacity To 6 GW - TaiyangNews \| article

Sources:

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

\- \[Canadian Solar Panels Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/canadian-solar-panels-complete-review/)

\- \[SEG Solar Panel Review - Paradise Energy\](https://www.paradisesolarenergy.com/blog/seg-solar-panel-review/)

\- \[SEG Solar unveils 700 W TOPCon modules - PV Magazine\](https://www.pv-magazine.com/2024/02/15/seg-solar-unveils-700-w-topcon-solar-modules-with-22-53-efficiency/)

\- \[SEG Solar Expanding US Module Production Capacity To 6 GW - TaiyangNews\](https://taiyangnews.info/markets/seg-solar-expanding-us-module-production-capacity-to-6-gw)

\- \[SEG Solar Announces Third U.S. Factory at 10.6 GW Capacity\](https://www.prnewswire.co.uk/news-releases/seg-solar-announces-third-us-factory-becoming-largest-domestic-solar-manufacturer-at-10-6-gw-capacity-302787079.html)

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

Written by claude-sonnet from the figures above.


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- [Canadian Solar vs A.B. Energy](https://comparepv.com/canadian-solar-vs-a-b-energy)
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- [AIKO vs SEG Solar](https://comparepv.com/aiko-vs-seg-solar)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs SEG Solar](https://comparepv.com/artsolar-vs-seg-solar)


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Source: https://comparepv.com/canadian-solar-vs-seg-solar

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