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

# Canadian Solar vs S-Energy

Canadian Solar has the broader catalog (292 vs 91 models). Canadian Solar leads on peak efficiency at 24.40%. S-Energy leans bifacial (77% of lineup).


## The two companies


| Attribute | Canadian Solar | S-Energy |
| --- | --- | --- |
| Country | Canada | South Korea |
| Headquarters | Kitchener | Seoul |
| Founded | 2001 | 2011 |
| Employees | 17,113 |  |
| Annual capacity | 51 GW/year |  |
| Tier 1 | yes | no |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.s-energy.com](https://www.s-energy.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 | S-Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 91 | +201 |
| Max Power | 730 W | 665 W | +65 W |
| Avg Power | 472 W | 512 W | +40 W |


## Efficiency


| Measure | Canadian Solar | S-Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 22.38% | +2.02 pp |
| Avg Efficiency | 20.66% | 21.00% | +0.34 pp |


## Reliability & Warranty


| Measure | Canadian Solar | S-Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.339%/°C | +0.008 |
| Bifacial Share | 133 (46%) | 70 (77%) | +31 pp |
| Avg Warranty | 28.2 yrs | 27.7 yrs | +0.5 yr |


## Efficiency distribution

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


| Efficiency band | Canadian Solar | S-Energy |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 50 (54.9%) |
| 21-22% | 41 (14.0%) | 34 (37.4%) |
| 22-23% | 50 (17.1%) | 7 (7.7%) |
| 23%+ | 37 (12.7%) | 0 |


## Power distribution

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


| Power band | Canadian Solar | S-Energy |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 4 (4.4%) |
| 400-499W | 72 (24.7%) | 36 (39.6%) |
| 500-599W | 45 (15.4%) | 40 (44.0%) |
| 600-699W | 64 (21.9%) | 11 (12.1%) |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

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

Dominant cell tech: **PERC** (59%)


| Technology | Canadian Solar | S-Energy |
| --- | --- | --- |
| PERC | 195 (66.8%) | 54 (59.3%) |
| TOPCon | 85 (29.1%) | 25 (27.5%) |
| HJT | 12 (4.1%) | 0 |
| Unknown | 0 | 12 (13.2%) |


## 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, S-Energy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SL85-66BDL-665R](https://comparepv.com/panel/s-energy-sl85-66bdl-665r) | 665 | 21.4 | -0.340 | Monocrystalline |
| 2 | [SL85-66BDL-660R](https://comparepv.com/panel/s-energy-sl85-66bdl-660r) | 660 | 21.3 | -0.340 | Monocrystalline |
| 3 | [SL85-66BDL-655R](https://comparepv.com/panel/s-energy-sl85-66bdl-655r) | 655 | 21.1 | -0.340 | Monocrystalline |
| 4 | [SL85-66BDL-650R](https://comparepv.com/panel/s-energy-sl85-66bdl-650r) | 650 | 20.9 | -0.340 | Monocrystalline |
| 5 | [SL85-66BDL-645R](https://comparepv.com/panel/s-energy-sl85-66bdl-645r) | 645 | 20.8 | -0.340 | Monocrystalline |
| 6 | [SL65-78TDP-625R](https://comparepv.com/panel/s-energy-sl65-78tdp-625r) | 625 | 22.4 | -0.300 | Monocrystalline |
| 7 | [SL65-78TDP-620R](https://comparepv.com/panel/s-energy-sl65-78tdp-620r) | 620 | 22.2 | -0.300 | Monocrystalline |
| 8 | [SL65-78TDP-615R](https://comparepv.com/panel/s-energy-sl65-78tdp-615r) | 615 | 22.0 | -0.300 | Monocrystalline |
| 9 | [SL65-78TDP-610R](https://comparepv.com/panel/s-energy-sl65-78tdp-610r) | 610 | 21.8 | -0.300 | Monocrystalline |
| 10 | [SL65-78TDP-605R](https://comparepv.com/panel/s-energy-sl65-78tdp-605r) | 605 | 21.7 | -0.300 | Monocrystalline |


## Summary

Canadian Solar is a Canadian-headquartered module manufacturer founded in 2001 and listed on NASDAQ since 2006, with global production capacity reported around 61 GW as of 2025. The company appears on S&P Global Commodity Insights' Tier 1 Cleantech Companies list for both PV modules and battery energy storage, making it one of the more bankable names for lenders financing utility-scale projects. S-Energy, by contrast, traces its roots to Samsung Electronics' original solar division, spun out as an independent Korean company in 2001 and listed on the KOSDAQ exchange in 2007 as Korea's first publicly traded renewable energy firm. S-Energy is also recognized as Tier 1 by BloombergNEF, but it operates at a far smaller scale, with a few hundred employees and a regional rather than global manufacturing footprint. On institutional strength and financial scale, Canadian Solar clearly has the stronger footprint.

Canadian Solar's residential lineup splits between the HiKu6 series, built on older PERC cells for budget-conscious buyers, and the TOPHiKu6 series, which uses N-type TOPCon cells reaching up to roughly 23% efficiency and suits space-constrained roofs. For utility-scale and C&I projects, its BiHiKu/TOPBiHiKu bifacial modules can lift energy yield by up to 30% under favorable conditions. S-Energy's catalog centers on smaller residential and commercial installations, with half-cut PERC modules up to about 380W, alongside a newer TOPCon bifacial commercial line rated 605-625W and up to 22.4% efficiency, aimed at ground-mount and larger C&I sites.

For a typical international buyer, Canadian Solar is the safer default given its global manufacturing scale, financial depth, and broader warranty support network that eases project financing. S-Energy can be a reasonable option where a specific bifacial model fits the project, but buyers should weigh the company's reported financial losses since 2017 against long-term warranty confidence before committing to large installations.

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 S-Energy](https://comparepv.com/ae-solar-vs-s-energy)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs S-Energy](https://comparepv.com/aiko-vs-s-energy)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs S-Energy](https://comparepv.com/artsolar-vs-s-energy)


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Source: https://comparepv.com/canadian-solar-vs-s-energy

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