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

# BYD vs Tata Power Solar

BYD has the broader catalog (115 vs 38 models). BYD leads on peak efficiency at 23.66%.


## The two companies


| Attribute | BYD | Tata Power Solar |
| --- | --- | --- |
| Country | China | India |
| Headquarters | Shenzhen | Mumbai, Maharashtra |
| Founded | 1995 | 1989 |
| Employees |  | 1,245 |
| Annual capacity |  | 4.3 GW/year |
| Tier 1 | yes | yes |
| Listed | SZSE: 002594 | NSE: TATAPOWER |
| Website | [https://www.byd.com](https://www.byd.com) | [https://www.tatapower.com](https://www.tatapower.com) |

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 | BYD | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 115 | 38 | +77 |
| Max Power | 735 W | 642 W | +93 W |
| Avg Power | 565 W | 580 W | +15 W |


## Efficiency


| Measure | BYD | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.66% | 23.05% | +0.61 pp |
| Avg Efficiency | 21.84% | 21.52% | +0.33 pp |


## Reliability & Warranty


| Measure | BYD | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.299%/°C | -0.354%/°C | +0.055 |
| Bifacial Share | 109 (95%) | 38 (100%) | +5 pp |
| Avg Warranty | 28.5 yrs | 28.4 yrs | +0.1 yr |


## Efficiency distribution

BYD skews to higher efficiency: 15% of lineup is 23%+


| Efficiency band | BYD | Tata Power Solar |
| --- | --- | --- |
| \<20% | 5 (4.3%) | 0 |
| 20-21% | 12 (10.4%) | 12 (31.6%) |
| 21-22% | 28 (24.3%) | 14 (36.8%) |
| 22-23% | 53 (46.1%) | 10 (26.3%) |
| 23%+ | 17 (14.8%) | 2 (5.3%) |


## Power distribution

BYD offers more 600W+ panels (41% of lineup)


| Power band | BYD | Tata Power Solar |
| --- | --- | --- |
| \<400W | 4 (3.5%) | 0 |
| 400-499W | 33 (28.7%) | 0 |
| 500-599W | 31 (27.0%) | 29 (76.3%) |
| 600-699W | 34 (29.6%) | 9 (23.7%) |
| 700W+ | 13 (11.3%) | 0 |


## Cell technology

Dominant cell tech: **TOPCon** (63%)

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


| Technology | BYD | Tata Power Solar |
| --- | --- | --- |
| TOPCon | 72 (62.6%) | 7 (18.4%) |
| PERC | 30 (26.1%) | 31 (81.6%) |
| HJT | 13 (11.3%) | 0 |


## Top panels, BYD


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HSBK-33-735](https://comparepv.com/panel/byd-hsbk-33-735) | 735 | 23.7 | -0.240 | Monocrystalline |
| 2 | [HSBK-33-730](https://comparepv.com/panel/byd-hsbk-33-730) | 730 | 23.5 | -0.240 | Monocrystalline |
| 3 | [HSBK-33-725](https://comparepv.com/panel/byd-hsbk-33-725) | 725 | 23.3 | -0.240 | Monocrystalline |
| 4 | [HSBK-33-720](https://comparepv.com/panel/byd-hsbk-33-720) | 720 | 23.2 | -0.240 | Monocrystalline |
| 5 | [NSBK-33-720](https://comparepv.com/panel/byd-nsbk-33-720) | 720 | 23.2 | -0.278 | Monocrystalline |
| 6 | [NSBK-33-715](https://comparepv.com/panel/byd-nsbk-33-715) | 715 | 23.0 | -0.278 | Monocrystalline |
| 7 | [HSBK-33-715](https://comparepv.com/panel/byd-hsbk-33-715) | 715 | 23.0 | -0.240 | Monocrystalline |
| 8 | [NSBK-33-710](https://comparepv.com/panel/byd-nsbk-33-710) | 710 | 22.9 | -0.278 | Monocrystalline |
| 9 | [HSBK-33-710](https://comparepv.com/panel/byd-hsbk-33-710) | 710 | 22.9 | -0.240 | Monocrystalline |
| 10 | [NSBK-33-705](https://comparepv.com/panel/byd-nsbk-33-705) | 705 | 22.7 | -0.278 | 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 |


## Other comparisons

- [BYD vs A.B. Energy](https://comparepv.com/byd-vs-a-b-energy)
- [AE Solar vs Tata Power Solar](https://comparepv.com/ae-solar-vs-tata-power-solar)
- [BYD vs AEET](https://comparepv.com/byd-vs-aeet)
- [AIKO vs Tata Power Solar](https://comparepv.com/aiko-vs-tata-power-solar)
- [BYD vs AKCOME](https://comparepv.com/byd-vs-akcome)
- [ARTsolar vs Tata Power Solar](https://comparepv.com/artsolar-vs-tata-power-solar)


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

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