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

# Canadian Solar vs SpolarPV

Canadian Solar has the broader catalog (292 vs 62 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Canadian Solar | SpolarPV |
| --- | --- | --- |
| Country | Canada | China |
| Headquarters | Kitchener | Suzhou |
| 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) | [https://www.spolarpv.com](https://www.spolarpv.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 | SpolarPV | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 62 | +230 |
| Max Power | 730 W | 700 W | +30 W |
| Avg Power | 472 W | 488 W | +16 W |


## Efficiency


| Measure | Canadian Solar | SpolarPV | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 22.86% | +1.54 pp |
| Avg Efficiency | 20.66% | 20.81% | +0.16 pp |


## Reliability & Warranty


| Measure | Canadian Solar | SpolarPV | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.333%/°C | +0.002 |
| Bifacial Share | 133 (46%) | 17 (27%) | +18 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 | SpolarPV |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 15 (24.2%) |
| 20-21% | 36 (12.3%) | 8 (12.9%) |
| 21-22% | 41 (14.0%) | 20 (32.3%) |
| 22-23% | 50 (17.1%) | 19 (30.6%) |
| 23%+ | 37 (12.7%) | 0 |


## Power distribution

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


| Power band | Canadian Solar | SpolarPV |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 16 (25.8%) |
| 400-499W | 72 (24.7%) | 13 (21.0%) |
| 500-599W | 45 (15.4%) | 22 (35.5%) |
| 600-699W | 64 (21.9%) | 10 (16.1%) |
| 700W+ | 7 (2.4%) | 1 (1.6%) |


## Cell technology

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

Dominant cell tech: **PERC** (48%)


| Technology | Canadian Solar | SpolarPV |
| --- | --- | --- |
| PERC | 195 (66.8%) | 30 (48.4%) |
| TOPCon | 85 (29.1%) | 28 (45.2%) |
| HJT | 12 (4.1%) | 0 |
| BIPV | 0 | 4 (6.5%) |


## 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, SpolarPV


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SPV700-TG12-132BD](https://comparepv.com/panel/spolarpv-spv700-tg12-132bd) | 700 | 22.6 | -0.300 | Monocrystalline |
| 2 | [SPV695-TG12-132BD](https://comparepv.com/panel/spolarpv-spv695-tg12-132bd) | 695 | 22.4 | -0.300 | Monocrystalline |
| 3 | [SPV690-TG12-132BD](https://comparepv.com/panel/spolarpv-spv690-tg12-132bd) | 690 | 22.2 | -0.300 | Monocrystalline |
| 4 | [SPV685-TG12-132BD](https://comparepv.com/panel/spolarpv-spv685-tg12-132bd) | 685 | 22.1 | -0.300 | Monocrystalline |
| 5 | [SPV680-TG12-132BD](https://comparepv.com/panel/spolarpv-spv680-tg12-132bd) | 680 | 21.9 | -0.300 | Monocrystalline |
| 6 | [SPV675-TG12-132BD](https://comparepv.com/panel/spolarpv-spv675-tg12-132bd) | 675 | 21.8 | -0.300 | Monocrystalline |
| 7 | [SPV670-TG12-132BD](https://comparepv.com/panel/spolarpv-spv670-tg12-132bd) | 670 | 21.6 | -0.300 | Monocrystalline |
| 8 | [SPV665-TG12-132BD](https://comparepv.com/panel/spolarpv-spv665-tg12-132bd) | 665 | 21.4 | -0.300 | Monocrystalline |
| 9 | [SPV660-TG12-132BD](https://comparepv.com/panel/spolarpv-spv660-tg12-132bd) | 660 | 21.3 | -0.300 | Monocrystalline |
| 10 | [SP605HM6-60L](https://comparepv.com/panel/spolarpv-sp605hm6-60l) | 605 | 21.4 | -0.340 | Monocrystalline |


## Summary

Canadian Solar is a Canadian manufacturer headquartered in Guelph, Ontario, founded in 2001 and listed on NASDAQ since 2006. The company operates with an annual production capacity of roughly 61 GW and has been named to S&P Global Commodity Insights' Tier 1 Cleantech Companies list for both PV modules and battery energy storage, underscoring its status as one of the most bankable names in the industry. SpolarPV is a considerably smaller Chinese manufacturer based in Nanjing, active since 2010, holding TUV, VDE, CE and ISO certifications, but without confirmed BloombergNEF Tier 1 status, and its production capacity is measured in the hundreds of megawatts rather than tens of gigawatts. In terms of institutional footprint and financial scale, Canadian Solar clearly outweighs its smaller rival.

Canadian Solar's lineup spans monofacial PERC HiKu modules for residential rooftops, bifacial N-type TOPCon TOPBiHiKu modules for commercial and industrial rooftops and utility-scale ground-mount farms, and the newer HiHero HJT series reaching efficiencies up to 24.4 percent. SpolarPV focuses on a smaller scale, offering BIPV modules, bifacial dual-glass panels, and conventional polycrystalline and monocrystalline modules, with a mixed PERC and TOPCon portfolio suited to both single-family homes and smaller commercial installations.

For a typical buyer prioritizing bankability, long-term warranty backing and a proven large-scale supply track record, Canadian Solar is the safer default choice, particularly for projects requiring bank financing. SpolarPV can be a reasonable option for smaller residential jobs where price is the primary driver, but buyers should recognize that the two brands are not interchangeable in terms of scale and market standing.

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


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

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