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

# ASM vs Tata Power Solar

Tata Power Solar has the broader catalog (38 vs 1 models). Tata Power Solar leads on peak efficiency at 23.05%. Tata Power Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | ASM | Tata Power Solar |
| --- | --- | --- |
| Country | Australia | India |
| Headquarters | Hallam, Victoria | Mumbai, Maharashtra |
| Founded | 2009 | 1989 |
| Employees | 1-10 | 1,245 |
| Annual capacity |  | 4.3 GW/year |
| Tier 1 | no | yes |
| Listed |  | NSE: TATAPOWER |
| Website | [https://www.australiansolarmanufacturing.com.au](https://www.australiansolarmanufacturing.com.au) | [https://www.tatapower.com](https://www.tatapower.com) |

Australian Solar Manufacturing (ASM) is a small Australian solar panel assembler that produces crystalline monocrystalline modules domestically using components sourced from Germany, Japan, the USA, and China. The company focuses on providing locally assembled PV modules tailored to Australian conditions, supporting...

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 | ASM | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 38 | +37 |
| Max Power | 170 W | 642 W | +472 W |
| Avg Power | 170 W | 580 W | +410 W |


## Efficiency


| Measure | ASM | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.05% | +7.05 pp |
| Avg Efficiency | 16.00% | 21.52% | +5.52 pp |


## Reliability & Warranty


| Measure | ASM | Tata Power Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.354%/°C | +0.084 |
| Bifacial Share | 0 (0%) | 38 (100%) | +100 pp |
| Avg Warranty | - | 28.4 yrs |  |


## Efficiency distribution

Tata Power Solar skews to higher efficiency: 5% of lineup is 23%+


| Efficiency band | ASM | Tata Power Solar |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 0 |
| 20-21% | 0 | 12 (31.6%) |
| 21-22% | 0 | 14 (36.8%) |
| 22-23% | 0 | 10 (26.3%) |
| 23%+ | 0 | 2 (5.3%) |


## Power distribution

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


| Power band | ASM | Tata Power Solar |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 0 |
| 500-599W | 0 | 29 (76.3%) |
| 600-699W | 0 | 9 (23.7%) |


## Cell technology

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


| Technology | ASM | Tata Power Solar |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| PERC | 0 | 31 (81.6%) |
| TOPCon | 0 | 7 (18.4%) |


## Top panels, ASM


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ASM170M](https://comparepv.com/panel/australian-solar-manufacturing-asm170m) | 170 | 16.0 | -0.438 | 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

ASM is a brand for which no credible, independently published industry profile could be located through available trade and review sources. It does not appear on publicly accessible BloombergNEF Tier 1 lists, major pv-magazine or PV Tech coverage, or widely cited review platforms as of mid-2026. As a result, any claim about its founding date, headquarters, annual production scale, or bankability status would be speculative. Tata Power Solar, by contrast, is a well-documented Indian manufacturer with a history of more than 27 years, headquartered in Bengaluru and operating large-scale production in Tamil Nadu. It holds a BloombergNEF Tier 1 classification - a confirmation of institutional bankability - and according to pv-magazine reporting from June 2025, its Tamil Nadu facility crossed 4 GW of cumulative solar module output, with a rated nameplate capacity targeting approximately 4.3 GW by end of fiscal 2026. A further 10 GW ingot and wafer plant is in planning, signaling serious vertical integration ambitions. On institutional footprint, Tata Power Solar is measurably stronger.

Tata Power Solar's product portfolio spans residential rooftop systems, commercial and industrial installations, and utility-scale ground mounts, making it a genuinely versatile supplier. Its technology mix, confirmed across multiple industry sources, centers on Mono PERC and is actively transitioning toward TOPCon for higher-efficiency applications. Bifacial configurations are available across the range, and the company has been listed on India's Ministry of New and Renewable Energy ALMM (Approved List of Models and Manufacturers), a regulatory requirement for government-tendered projects that further strengthens its standing with financiers and EPCs.

Because ASM cannot be verified through credible trade sources, a head-to-head verdict is not possible without the risk of fabricating a comparison. For a buyer evaluating Tata Power Solar against an unfamiliar brand, the prudent default in 2025 is the verifiable Tier 1 manufacturer with documented capacity, technology roadmap, and regulatory compliance. If ASM is a regional or private-label brand, buyers should request third-party test certifications and independently confirm warranty-backing arrangements before committing.

\---LINKS---

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

\- https://www.pv-magazine-india.com/2025/09/24/tata-powers-4-8-gw-solar-cell-capacity-included-in-mnres-almm-list/ \| Tata Power 4.8 GW solar cell capacity added to MNRE ALMM list \| article

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

Sources:

\- \[Tata Power hits 4 GW of solar module production capacity\](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/)

\- \[Tata Power 4.8 GW solar cell capacity added to MNRE ALMM list\](https://www.pv-magazine-india.com/2025/09/24/tata-powers-4-8-gw-solar-cell-capacity-included-in-mnres-almm-list/)

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

Written by claude-sonnet from the figures above.


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

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