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

# Canadian Solar vs Renewsys

Canadian Solar has the broader catalog (292 vs 45 models). Canadian Solar leads on peak efficiency at 24.40%. Renewsys leans bifacial (100% of lineup).


## The two companies


| Attribute | Canadian Solar | Renewsys |
| --- | --- | --- |
| Country | Canada | India |
| Headquarters | Kitchener | Mumbai |
| Founded | 2001 | 2011 |
| Employees | 17,113 | 1,071 |
| Annual capacity | 51 GW/year | 2.5 GW/year |
| Tier 1 | yes | yes |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [http://www.renewsysworld.com](http://www.renewsysworld.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.

RenewSys is the first integrated manufacturer of Solar PV Modules and its key components - Encapsulants, Backsheets, and Solar PV Cells. Established in 2012, RenewSys is the renewable energy arm of the ENPEE Group, a diversified global conglomerate. They have manufacturing facilities in Hyderabad and Bengaluru.


## Catalog & Power


| Measure | Canadian Solar | Renewsys | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 45 | +247 |
| Max Power | 730 W | 650 W | +80 W |
| Avg Power | 472 W | 542 W | +70 W |


## Efficiency


| Measure | Canadian Solar | Renewsys | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 23.64% | +0.76 pp |
| Avg Efficiency | 20.66% | 22.57% | +1.91 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Renewsys | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.294%/°C | +0.037 |
| Bifacial Share | 133 (46%) | 45 (100%) | +54 pp |
| Avg Warranty | 28.2 yrs | 30.0 yrs | +1.8 yr |


## Efficiency distribution

Renewsys skews to higher efficiency: 24% of lineup is 23%+


| Efficiency band | Canadian Solar | Renewsys |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 0 |
| 21-22% | 41 (14.0%) | 8 (17.8%) |
| 22-23% | 50 (17.1%) | 26 (57.8%) |
| 23%+ | 37 (12.7%) | 11 (24.4%) |


## Power distribution

Renewsys offers more 600W+ panels (36% of lineup)


| Power band | Canadian Solar | Renewsys |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 17 (37.8%) |
| 500-599W | 45 (15.4%) | 12 (26.7%) |
| 600-699W | 64 (21.9%) | 16 (35.6%) |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

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

Dominant cell tech: **TOPCon** (100%)


| Technology | Canadian Solar | Renewsys |
| --- | --- | --- |
| PERC | 195 (66.8%) | 0 |
| TOPCon | 85 (29.1%) | 45 (100.0%) |
| 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 |


## Top panels, Renewsys


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [DESERV EXTREME 156X-650](https://comparepv.com/panel/renewsys-deserv-extreme-156x-650) | 650 | 23.3 | -0.292 | Monocrystalline |
| 2 | [DESERV EXTREME 156X-645](https://comparepv.com/panel/renewsys-deserv-extreme-156x-645) | 645 | 23.1 | -0.292 | Monocrystalline |
| 3 | [DESERV EXTREME 156X-640](https://comparepv.com/panel/renewsys-deserv-extreme-156x-640) | 640 | 22.9 | -0.292 | Monocrystalline |
| 4 | [DESERV Extreme 132X 635](https://comparepv.com/panel/renewsys-deserv-extreme-132x-635) | 635 | 23.5 | -0.300 | Monocrystalline |
| 5 | [DESERV EXTREME 156X-635](https://comparepv.com/panel/renewsys-deserv-extreme-156x-635) | 635 | 22.8 | -0.292 | Monocrystalline |
| 6 | [DESERV EXTREME 156X-630](https://comparepv.com/panel/renewsys-deserv-extreme-156x-630) | 630 | 22.6 | -0.292 | Monocrystalline |
| 7 | [DESERV Extreme 132X 630](https://comparepv.com/panel/renewsys-deserv-extreme-132x-630) | 630 | 23.4 | -0.300 | Monocrystalline |
| 8 | [DESERV EXTREME 156X-625](https://comparepv.com/panel/renewsys-deserv-extreme-156x-625) | 625 | 22.4 | -0.292 | Monocrystalline |
| 9 | [DESERV Extreme 132X 625](https://comparepv.com/panel/renewsys-deserv-extreme-132x-625) | 625 | 23.2 | -0.300 | Monocrystalline |
| 10 | [DESERV EXTREME 156X-620](https://comparepv.com/panel/renewsys-deserv-extreme-156x-620) | 620 | 22.2 | -0.292 | Monocrystalline |


## Summary

Canadian Solar is a Canadian manufacturer founded in 2001 in Guelph, Ontario by Dr. Shawn Qu, publicly listed on NASDAQ under CSIQ since 2006, and now headquartered in Kitchener, Ontario. It holds Tier 1 status on S&P Global Commodity Insights' bankable manufacturer list, has shipped roughly 170 GW of modules cumulatively worldwide, and plans module manufacturing capacity above 50 GW per year. RenewSys, founded around 2011-2012 in Bengaluru and operating as the renewable-energy arm of India's ENPEE Group headquartered in Mumbai, is described as India's first fully vertically integrated manufacturer of cells, modules, and key components such as EVA/POE encapsulants and backsheets, but its module capacity in the single-digit-GW range and the absence of confirmed BloombergNEF Tier 1 listing in available sources point to a considerably smaller scale and shorter track record than Canadian Solar, which clearly has the stronger institutional footprint and global recognition.

Canadian Solar's product lineup spans residential-focused HiHero modules (N-type TOPCon, efficiency up to roughly 23-24%, 25-year product and 30-year performance warranties) to bifacial TOPCon 2.0 and TOPBiHiKu modules built for utility-scale and commercial ground-mount projects, alongside an energy-storage business. RenewSys focuses primarily on the Indian and South Asian markets, offering bifacial TOPCon modules from its Deserv/Deserv Extreme line rated up to 720 Wp with front-side efficiency near 23.26%, aimed at both residential rooftops and commercial installations, backed by 10-12 year product and 25-27 year performance warranties; it exports to over 40 countries but shows no clearly documented distribution presence in Europe.

For a typical international buyer who prioritizes product availability, established project bankability, and a long supply track record, Canadian Solar remains the safer default choice given its manufacturing scale and established distributor networks. RenewSys is worth considering for projects with exposure to the Indian or broader Asian market, where its vertically integrated component production is a genuine advantage, but outside that region it is not yet an interchangeable alternative to Canadian Solar in terms of availability and established 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 Renewsys](https://comparepv.com/ae-solar-vs-renewsys)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs Renewsys](https://comparepv.com/aiko-vs-renewsys)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs Renewsys](https://comparepv.com/artsolar-vs-renewsys)


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

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