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

# Adani Solar vs Tata Power Solar

Adani Solar has the broader catalog (48 vs 38 models). Adani Solar leads on peak efficiency at 23.71%. Tata Power Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Adani Solar | Tata Power Solar |
| --- | --- | --- |
| Country | India | India |
| Headquarters | Ahmedabad | Mumbai, Maharashtra |
| Founded | 2015 | 1989 |
| Employees | 3500+ | 1,245 |
| Annual capacity | 4 GW/year | 4.3 GW/year |
| Tier 1 | yes | yes |
| Listed | NSE: ADANIGREEN | NSE: TATAPOWER |
| Website | [https://www.adanisolar.com/](https://www.adanisolar.com/) | [https://www.tatapower.com](https://www.tatapower.com) |

Adani Solar is a fully integrated, high-efficiency solar panel manufacturer and is part of the Adani Group. They are building a comprehensive solar manufacturing ecosystem, producing everything from metallurgical grade silicon to solar modules. The company is committed to advancing India's renewable energy...

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 | Adani Solar | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 48 | 38 | +10 |
| Max Power | 650 W | 642 W | +8 W |
| Avg Power | 539 W | 580 W | +41 W |


## Efficiency


| Measure | Adani Solar | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.71% | 23.05% | +0.66 pp |
| Avg Efficiency | 20.67% | 21.52% | +0.85 pp |


## Reliability & Warranty


| Measure | Adani Solar | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.345%/°C | -0.354%/°C | +0.009 |
| Bifacial Share | 36 (75%) | 38 (100%) | +25 pp |
| Avg Warranty | 29.3 yrs | 28.4 yrs | +0.8 yr |


## Efficiency distribution

Adani Solar skews to higher efficiency: 8% of lineup is 23%+


| Efficiency band | Adani Solar | Tata Power Solar |
| --- | --- | --- |
| \<20% | 10 (20.8%) | 0 |
| 20-21% | 18 (37.5%) | 12 (31.6%) |
| 21-22% | 9 (18.8%) | 14 (36.8%) |
| 22-23% | 7 (14.6%) | 10 (26.3%) |
| 23%+ | 4 (8.3%) | 2 (5.3%) |


## Power distribution

Adani Solar offers more 600W+ panels (38% of lineup)


| Power band | Adani Solar | Tata Power Solar |
| --- | --- | --- |
| \<400W | 10 (20.8%) | 0 |
| 500-599W | 20 (41.7%) | 29 (76.3%) |
| 600-699W | 18 (37.5%) | 9 (23.7%) |


## Cell technology

Dominant cell tech: **PERC** (54%)

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


| Technology | Adani Solar | Tata Power Solar |
| --- | --- | --- |
| PERC | 26 (54.2%) | 31 (81.6%) |
| TOPCon | 14 (29.2%) | 7 (18.4%) |
| N-type | 8 (16.7%) | 0 |


## Top panels, Adani Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ASM-M12-132-650](https://comparepv.com/panel/adani-solar-asm-m12-132-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 2 | [ASB-M12-132-650](https://comparepv.com/panel/adani-solar-asb-m12-132-650) | 650 | 20.9 | -0.350 | Monocrystalline |
| 3 | [ASM-M12-132-645](https://comparepv.com/panel/adani-solar-asm-m12-132-645) | 645 | 20.7 | -0.340 | Monocrystalline |
| 4 | [ASB-M12-132-645](https://comparepv.com/panel/adani-solar-asb-m12-132-645) | 645 | 20.7 | -0.350 | Monocrystalline |
| 5 | [ASM-M12-132-640](https://comparepv.com/panel/adani-solar-asm-m12-132-640) | 640 | 20.6 | -0.340 | Monocrystalline |
| 6 | [ASB-M12-132-640](https://comparepv.com/panel/adani-solar-asb-m12-132-640) | 640 | 20.6 | -0.350 | Monocrystalline |
| 7 | [AB-G12R-132-640](https://comparepv.com/panel/adani-solar-ab-g12r-132-640) | 640 | 23.7 | -0.280 | Monocrystalline |
| 8 | [ASM-M12-132-635](https://comparepv.com/panel/adani-solar-asm-m12-132-635) | 635 | 20.4 | -0.340 | Monocrystalline |
| 9 | [ASB-M12-132-635](https://comparepv.com/panel/adani-solar-asb-m12-132-635) | 635 | 20.4 | -0.350 | Monocrystalline |
| 10 | [AB-G12R-132-635](https://comparepv.com/panel/adani-solar-ab-g12r-132-635) | 635 | 23.5 | -0.280 | 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

Adani Solar is the solar manufacturing arm of India's Adani Group, headquartered in Ahmedabad and operating its primary integrated production complex at Mundra, Gujarat. The company scaled aggressively in recent years, reaching approximately 4 GW of cell and module capacity with a stated target of 10 GW by mid-2026, covering ingots, wafers, cells, and modules under one roof. It holds Tier 1 status with BloombergNEF and has been rated a Top Performer by Kiwa PVEL for seven consecutive years. Tata Power Solar was established in 1989 as part of the diversified Tata Power group and operates manufacturing in Tamil Nadu, where its unit TP Solar Ltd. surpassed 4 GW of cumulative module output as of mid-2025, per pv-magazine. It likewise carries BNEF Tier 1 recognition. With more than three decades of project execution history and the institutional weight of the Tata Group behind it, Tata Power Solar carries the stronger legacy presence in the Indian market.

Adani Solar's catalogue spans Mono PERC and N-type TOPCon modules in the 535-660 W range, organized under the "Shine" (PERC) and "Elan" (TOPCon bifacial) families. Its fully integrated Mundra supply chain confers a structural cost edge that suits large utility-scale and industrial ground-mount procurement where price-per-watt is decisive. Tata Power Solar covers similar PERC and TOPCon territory, with panel wattages running from approximately 530 W to 642 W, and offers an end-to-end EPC and after-sales service network built over decades - making it the more natural choice for residential rooftops and smaller commercial installs where long-term service reliability and brand trust carry real weight.

For buyers choosing between the two in 2025-2026, the decision hinges more on project type than on raw panel performance. Adani Solar is the stronger default for large-scale procurement, where integrated manufacturing translates into competitive pricing. Tata Power Solar is the more reassuring pick for residential and smaller commercial buyers who value a proven national service network and Tata's track record for after-sales accountability. Both are credibly Tier 1 bankable and technically comparable at this level of the Indian market.

\---LINKS---

\- https://www.pv-magazine.com/2024/10/04/adani-to-hit-10-gw-of-solar-cell-module-manufacturing-capacity-by-mid-2026/ \| Adani to hit 10 GW cell-module manufacturing capacity by mid-2026 \| article

\- https://www.pv-magazine.com/2025/06/10/tata-power-hits-4-gw-of-solar-module-production-capacity/ \| Tata Power hits 4 GW of solar module production capacity \| article

\- https://comparepv.com/reviews/tata-power-solar \| Tata Power Solar panels review 2026 - ComparePV \| review

Sources:

\- \[Adani to hit 10 GW of solar cell, module manufacturing capacity by mid 2026 - pv-magazine\](https://www.pv-magazine.com/2024/10/04/adani-to-hit-10-gw-of-solar-cell-module-manufacturing-capacity-by-mid-2026/)

\- \[Tata Power hits 4 GW of solar module production capacity - pv-magazine\](https://www.pv-magazine.com/2025/06/10/tata-power-hits-4-gw-of-solar-module-production-capacity/)

\- \[Tata Power Solar Rated Tier I Module Manufacturer by BNEF\](https://www.tatapowersolar.com/press-release/tata-power-solar-rated-tier-i-module-manufacturer-by-bnef/)

\- \[Tata Power Solar Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/tata-power-solar)

Written by claude-sonnet from the figures above.


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

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