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

# Tata Power Solar vs Trina Solar

Trina Solar has the broader catalog (340 vs 38 models). Trina Solar leads on peak efficiency at 24.80%. Tata Power Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Tata Power Solar | Trina Solar |
| --- | --- | --- |
| Country | India | China |
| Headquarters | Mumbai, Maharashtra | Changzhou |
| Founded | 1989 | 1997 |
| Employees | 1,245 |  |
| Annual capacity | 4.3 GW/year |  |
| Tier 1 | yes | yes |
| Listed | NSE: TATAPOWER |  |
| Website | [https://www.tatapower.com](https://www.tatapower.com) | [https://www.trinasolar.com](https://www.trinasolar.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 | Tata Power Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 38 | 340 | +302 |
| Max Power | 642 W | 760 W | +118 W |
| Avg Power | 580 W | 520 W | +60 W |


## Efficiency


| Measure | Tata Power Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.05% | 24.80% | +1.75 pp |
| Avg Efficiency | 21.52% | 21.71% | +0.20 pp |


## Reliability & Warranty


| Measure | Tata Power Solar | Trina Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.354%/°C | -0.302%/°C | +0.052 |
| Bifacial Share | 38 (100%) | 145 (43%) | +57 pp |
| Avg Warranty | 28.4 yrs | 28.2 yrs | +0.2 yr |


## Efficiency distribution

Trina Solar skews to higher efficiency: 22% of lineup is 23%+


| Efficiency band | Tata Power Solar | Trina Solar |
| --- | --- | --- |
| 20-21% | 12 (31.6%) | 57 (16.8%) |
| 21-22% | 14 (36.8%) | 83 (24.4%) |
| 22-23% | 10 (26.3%) | 102 (30.0%) |
| 23%+ | 2 (5.3%) | 76 (22.4%) |
| \<20% | 0 | 22 (6.5%) |


## Power distribution

Trina Solar offers more 600W+ panels (34% of lineup)


| Power band | Tata Power Solar | Trina Solar |
| --- | --- | --- |
| 500-599W | 29 (76.3%) | 54 (15.9%) |
| 600-699W | 9 (23.7%) | 72 (21.2%) |
| \<400W | 0 | 28 (8.2%) |
| 400-499W | 0 | 142 (41.8%) |
| 700W+ | 0 | 44 (12.9%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (73%)


| Technology | Tata Power Solar | Trina Solar |
| --- | --- | --- |
| PERC | 31 (81.6%) | 75 (22.1%) |
| TOPCon | 7 (18.4%) | 248 (72.9%) |
| Unknown | 0 | 11 (3.2%) |
| N-type | 0 | 6 (1.8%) |


## 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 |


## Top panels, Trina Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TSM-NEG21C.20Q-760](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-760) | 760 | 24.5 | -0.260 | Monocrystalline |
| 2 | [TSM-NEG21C.20Q-755](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-755) | 755 | 24.3 | -0.260 | Monocrystalline |
| 3 | [TSM-NEG21C.20Q-750](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-750) | 750 | 24.1 | -0.260 | Monocrystalline |
| 4 | [TSM-NEG21C.20Q-745](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-745) | 745 | 24.0 | -0.260 | Monocrystalline |
| 5 | [TSM-NEG21C.20-740](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg21c-20-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 6 | [TSM-NEG21C.20 740](https://comparepv.com/panel/trina-solar-tsm-neg21c-20-740) | 740 | 23.8 | -0.290 | Monocrystalline |
| 7 | [TSM-NEG21C.20Q-740](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-740) | 740 | 23.8 | -0.260 | Monocrystalline |
| 8 | [TSM-NEG21C.20-735](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg21c-20-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 9 | [TSM-NEG21C.20 735](https://comparepv.com/panel/trina-solar-tsm-neg21c-20-735) | 735 | 23.7 | -0.290 | Monocrystalline |
| 10 | [TSM-NEG21C.20Q-735](https://comparepv.com/panel/trina-solar-tsm-neg21c-20q-735) | 735 | 23.7 | -0.260 | Monocrystalline |


## Summary

Trina Solar is a Chinese manufacturer headquartered in Changzhou, Jiangsu Province, founded in 1997 by Gao Jifan. The company has grown into one of the largest solar module producers in the world, exceeding 80 GW of annual production capacity and having shipped more than 260 GW cumulatively across global markets. Trina holds Tier 1 bankability status from BloombergNEF for over seven consecutive years and has earned the PVEL Top Performer designation for eleven straight years, cementing its position as a benchmark for institutional-grade procurement. Tata Power Solar, by contrast, is an Indian manufacturer headquartered in Bangalore, tracing its roots to 1989 as a joint venture between Tata Power and BP Solar and now operating as a wholly owned subsidiary of the Tata Power group. Its combined module and cell manufacturing capacity stands at approximately 4-4.9 GW per year across plants in Bangalore and Tirunelveli, Tamil Nadu. Tata Power Solar is recognized as a Tier 1 manufacturer and its capacity is listed on India's ALMM register. In terms of global institutional footprint and production scale, Trina Solar holds a commanding lead.

Trina Solar's product portfolio spans all major market segments. The large-format Vertex N series, built on N-type i-TOPCon cells with mass-production module output exceeding 700W, targets utility-scale ground-mount projects, while the Vertex S+ addresses residential rooftop and commercial-and-industrial applications. Trina's flagship models carry 30-year performance warranties and the company's i-TOPCon technology has achieved mass-production cell efficiencies above 22%, with laboratory records surpassing 26%. Tata Power Solar's offering centers on Mono PERC modules and an expanding TOPCon line at its Tirunelveli facility, with products designed to comply with India's Domestic Content Requirement norms. The company has a strong EPC track record exceeding 10 GW of contracted installations, covering residential rooftops through to grid-scale plants, but its manufacturing and distribution are oriented almost entirely toward the Indian domestic market.

For most international buyers - project developers, EPCs, or installers outside India - Trina Solar is the straightforward default choice, offering globally distributed supply, well-established warranty support, deep bankability credentials, and a product range suited to every project scale. Tata Power Solar is the stronger candidate for projects operating within India's regulatory framework or requiring DCR compliance; outside that context, its limited export availability and narrower international service network make it a less practical option. The two brands are not interchangeable for international procurement.

Written by claude-sonnet from the figures above.


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

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