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

# Canadian Solar vs Tata Power Solar

Canadian Solar has the broader catalog (292 vs 38 models). Canadian Solar leads on peak efficiency at 24.40%. Tata Power Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Canadian Solar | Tata Power Solar |
| --- | --- | --- |
| Country | Canada | India |
| Headquarters | Kitchener | Mumbai, Maharashtra |
| Founded | 2001 | 1989 |
| Employees | 17,113 | 1,245 |
| Annual capacity | 51 GW/year | 4.3 GW/year |
| Tier 1 | yes | yes |
| Listed | NASDAQ: CSIQ | NSE: TATAPOWER |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.tatapower.com](https://www.tatapower.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.

Tata Power Solar is India's largest integrated solar company. They operate in manufacturing solar modules, EPC services for solar power projects, and creating innovative solar products. The company is committed to providing access to energy, especially in remote, off-grid parts of India.


## Catalog & Power


| Measure | Canadian Solar | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 38 | +254 |
| Max Power | 730 W | 642 W | +88 W |
| Avg Power | 472 W | 580 W | +108 W |


## Efficiency


| Measure | Canadian Solar | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 23.05% | +1.35 pp |
| Avg Efficiency | 20.66% | 21.52% | +0.86 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.354%/°C | +0.023 |
| Bifacial Share | 133 (46%) | 38 (100%) | +54 pp |
| Avg Warranty | 28.2 yrs | 28.4 yrs | +0.2 yr |


## Efficiency distribution

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


| Efficiency band | Canadian Solar | Tata Power Solar |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 12 (31.6%) |
| 21-22% | 41 (14.0%) | 14 (36.8%) |
| 22-23% | 50 (17.1%) | 10 (26.3%) |
| 23%+ | 37 (12.7%) | 2 (5.3%) |


## Power distribution

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


| Power band | Canadian Solar | Tata Power Solar |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 0 |
| 500-599W | 45 (15.4%) | 29 (76.3%) |
| 600-699W | 64 (21.9%) | 9 (23.7%) |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

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

Dominant cell tech: **PERC** (82%)


| Technology | Canadian Solar | Tata Power Solar |
| --- | --- | --- |
| PERC | 195 (66.8%) | 31 (81.6%) |
| TOPCon | 85 (29.1%) | 7 (18.4%) |
| 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, Tata Power Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TP642LG10B](https://comparepv.com/panel/tata-power-solar-tp642lg10b) | 642 | 23.1 | -0.370 | Monocrystalline |
| 2 | [TP637LG10B](https://comparepv.com/panel/tata-power-solar-tp637lg10b) | 637 | 22.9 | -0.370 | Monocrystalline |
| 3 | [TP631LG10B](https://comparepv.com/panel/tata-power-solar-tp631lg10b) | 631 | 22.7 | -0.370 | Monocrystalline |
| 4 | [TP626LG10B](https://comparepv.com/panel/tata-power-solar-tp626lg10b) | 626 | 22.5 | -0.370 | Monocrystalline |
| 5 | [TP621LG10B](https://comparepv.com/panel/tata-power-solar-tp621lg10b) | 621 | 22.3 | -0.370 | Monocrystalline |
| 6 | [TP615LG10B](https://comparepv.com/panel/tata-power-solar-tp615lg10b) | 615 | 22.1 | -0.370 | Monocrystalline |
| 7 | [TP610LG10B](https://comparepv.com/panel/tata-power-solar-tp610lg10b) | 610 | 21.9 | -0.370 | Monocrystalline |
| 8 | [TP600LG10TB](https://comparepv.com/panel/tata-power-solar-tp600lg10tb) | 600 | 21.5 | -0.360 | Monocrystalline |
| 9 | [TP600LG10B](https://comparepv.com/panel/tata-power-solar-tp600lg10b) | 600 | 21.5 | -0.370 | Monocrystalline |
| 10 | [TP595LG10TB](https://comparepv.com/panel/tata-power-solar-tp595lg10tb) | 595 | 21.4 | -0.360 | Monocrystalline |


## Summary

Canadian Solar is a Canadian manufacturer headquartered in Guelph, Ontario, founded in 2001 and listed on Nasdaq since 2006, giving it one of the strongest institutional footprints in the industry. It holds Tier 1 status per BloombergNEF and was named to S&P Global Commodity Insights' Premier Tier 1 Cleantech Companies list, with module manufacturing capacity in the range of roughly 50 GW annually and shipments to more than 70 countries. Tata Power Solar, part of India's Tata Group, also carries Tier 1 status, having become the second Indian manufacturer to earn it back in 2016, but operates at a much smaller scale, with integrated cell and module capacity around 4.8 to 4.9 GW and expansion plans underway for ingot and wafer production. In terms of scale and global bankability, Canadian Solar holds a clear institutional edge.

Canadian Solar's product line centers on the HiKu6 series using PERC cells and the newer TOPHiKu6 series using TOPCon cells (reaching roughly 22.5 to 23 percent efficiency), sold across residential, commercial and utility-scale ground-mount projects, an area where the company also benefits from its own EPC and energy storage businesses. Tata Power Solar focuses primarily on the Indian and neighboring markets, with a portfolio still dominated by mono-PERC cells alongside a growing share of TOPCon modules, including bifacial variants, aimed mainly at residential and commercial rooftop customers.

For an international buyer evaluating a utility-scale or commercial project, Canadian Solar is generally the safer default choice thanks to its longer track record, wider distribution network, and stronger recognition among project financiers. Tata Power Solar remains a credible Tier 1 option, particularly within India, but its limited presence outside that market makes logistics and after-sales support less consistent for buyers elsewhere.

Written by claude-sonnet-5 from the figures above.


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Source: https://comparepv.com/canadian-solar-vs-tata-power-solar

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