---
title: "Hyundai vs Top Solar - Brand Comparison | ComparePV"
description: "Compare Hyundai vs Top Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/hyundai-vs-top-solar"
---

# Hyundai vs Top Solar

Hyundai has the broader catalog (65 vs 1 models). Hyundai leads on peak efficiency at 23.40%. Hyundai leans bifacial (66% of lineup).


## The two companies


| Attribute | Hyundai | Top Solar |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seongnam-si | Shenzhen |
| Founded | 2004 |  |
| Employees | 206 | 200+ |
| Annual capacity | 1.35 GW/year | \<1 GW/year |
| Tier 1 | yes |  |
| Listed | Korea Stock Exchange: 322000 |  |
| Website | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) | [https://www.topsolar-energy.com](https://www.topsolar-energy.com) |

HD Hyundai Energy Solutions is a global provider of solar cells and modules, offering solutions for residential, commercial, and utility-scale projects. They provide monofacial, bifacial, and shingled PV modules, along with inverters and various PV solutions. The company is committed to developing next-generation...

Shenzhen Top Solar Energy Co., Ltd. is a Chinese solar panel manufacturer specializing in monocrystalline, flexible, folding, and portable solar panels, as well as off-grid and on-grid solar power systems. The company has its own R&D teams and production lines, serving customers across the US, Europe, Japan, the...


## Catalog & Power


| Measure | Hyundai | Top Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 1 | +64 |
| Max Power | 640 W | 150 W | +490 W |
| Avg Power | 442 W | 150 W | +292 W |


## Efficiency


| Measure | Hyundai | Top Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 18.60% | +4.80 pp |
| Avg Efficiency | 21.49% | 18.60% | +2.89 pp |


## Reliability & Warranty


| Measure | Hyundai | Top Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.420%/°C | +0.120 |
| Bifacial Share | 43 (66%) | 0 (0%) | +66 pp |
| Avg Warranty | 27.4 yrs | - |  |


## Efficiency distribution

Hyundai skews to higher efficiency: 6% of lineup is 23%+


| Efficiency band | Hyundai | Top Solar |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 1 (100.0%) |
| 20-21% | 17 (26.2%) | 0 |
| 21-22% | 12 (18.5%) | 0 |
| 22-23% | 25 (38.5%) | 0 |
| 23%+ | 4 (6.2%) | 0 |


## Power distribution

Hyundai offers more 600W+ panels (5% of lineup)


| Power band | Hyundai | Top Solar |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 1 (100.0%) |
| 400-499W | 49 (75.4%) | 0 |
| 500-599W | 5 (7.7%) | 0 |
| 600-699W | 3 (4.6%) | 0 |


## Cell technology

Dominant cell tech: **HJT** (38%)

Dominant cell tech: **Back Contact** (100%)


| Technology | Hyundai | Top Solar |
| --- | --- | --- |
| HJT | 25 (38.5%) | 0 |
| PERC | 25 (38.5%) | 0 |
| Unknown | 9 (13.8%) | 0 |
| TOPCon | 6 (9.2%) | 0 |
| Back Contact | 0 | 1 (100.0%) |


## Top panels, Hyundai


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HiS-T640NJ](https://comparepv.com/panel/hd-hyundai-energy-solutions-his-t640nj) | 640 | 22.9 | -0.290 | Monocrystalline |
| 2 | [HiS-T635NJ](https://comparepv.com/panel/hd-hyundai-energy-solutions-his-t635nj) | 635 | 22.7 | -0.290 | Monocrystalline |
| 3 | [HiS-T630NJ](https://comparepv.com/panel/hd-hyundai-energy-solutions-his-t630nj) | 630 | 22.5 | -0.290 | Monocrystalline |
| 4 | [HiT-H520LF-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h520lf-fb-zb) | 520 | 23.4 | -0.240 | Monocrystalline |
| 5 | [HiT-H515LF-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h515lf-fb-zb) | 515 | 23.2 | -0.240 | Monocrystalline |
| 6 | [HiT-H510LF-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h510lf-fb-zb) | 510 | 22.9 | -0.240 | Monocrystalline |
| 7 | [HiT-H505LF-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h505lf-fb-zb) | 505 | 22.7 | -0.240 | Monocrystalline |
| 8 | [HiT-H500LF-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h500lf-fb-zb) | 500 | 22.5 | -0.240 | Monocrystalline |
| 9 | [HiT-H460LE-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h460le-fb-zb) | 460 | 23.0 | -0.240 | Monocrystalline |
| 10 | [HiT-H460CE-BF](https://comparepv.com/panel/hyundai-hit-h460ce-bf) | 460 | 23.0 | -0.240 | Monocrystalline |


## Top panels, Top Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TS-EFS150M](https://comparepv.com/panel/top-solar-ts-efs150m) | 150 | 18.6 | -0.420 | Monocrystalline |


## Summary

Hyundai Energy Solutions - operating under the HD Hyundai conglomerate and headquartered in Seoul, South Korea - has manufactured solar panels since the early 2000s and holds Bloomberg NEF Tier 1 bankability status, meaning major financial institutions are willing to finance projects built with its modules. The company has approximately 1.4 GW of annual production capacity based in South Korea, and in 2025 it began mass production of N-type TOPCon cells under a licensed IP arrangement, allowing it to export Korean-made cells to the U.S. market without patent risk. Top Solar, by contrast, does not surface in any recognized industry rankings, Tier 1 lists, or trade-press coverage from sources such as pv-magazine, PV Tech, or Wood Mackenzie. The available evidence points to a small consumer-oriented brand primarily selling flexible panels through online retail channels, with no verifiable utility or large commercial project history. On institutional footprint, Hyundai is in a significantly stronger position by any standard metric.

In terms of product positioning, Hyundai targets the premium residential and light-commercial rooftop segments with monocrystalline N-type TOPCon modules - a cell technology that delivers lower annual degradation rates and better temperature performance compared to older PERC designs - and backs these with product and performance warranties extending to 25-30 years. Top Solar's publicly documented product range consists largely of compact, low-wattage flexible panels aimed at off-grid, RV, and portable applications, warranted for only one year according to forum and retail listings, placing it firmly in the budget consumer niche rather than the professional installation market.

For a typical buyer evaluating residential rooftop or small commercial solar in 2025, Hyundai is the clear default choice between the two: it brings certified bankability, a credible technology roadmap anchored in TOPCon and planned HJT production, and warranty terms that match industry-standard expectations. Top Solar may serve a specific need in the portable or DIY off-grid space where price and flexibility are priorities over long-term performance guarantees, but the two brands are not genuinely interchangeable for grid-tied professional installations.

\---LINKS---

\- https://pv-magazine-usa.com/press-releases/hd-hyundai-energy-solutions-begins-mass-production-of-n-type-topcon-cells/ \| HD Hyundai Energy Solutions begins mass production of N-Type TOPCon cells \| article

\- https://www.solarreviews.com/blog/complete-review-hyundai-solar-panels \| Complete Review of Hyundai Solar Panels in 2025 - SolarReviews \| review

\- https://www.ecowatch.com/solar/best-companies/hyundai-solar-panels \| Hyundai Solar Panels Review - Cost, Ratings and Reviews 2026 \| review

\- https://diysolarforum.com/threads/topsolar-brand-flexible-solar-panels.31071/ \| Topsolar brand flexible solar panels - DIY Solar Power Forum \| review

Sources:

\- \[HD Hyundai Energy Solutions begins mass production of N-Type TOPCon cells\](https://pv-magazine-usa.com/press-releases/hd-hyundai-energy-solutions-begins-mass-production-of-n-type-topcon-cells/)

\- \[Complete Review of Hyundai Solar Panels in 2025 - SolarReviews\](https://www.solarreviews.com/blog/complete-review-hyundai-solar-panels)

\- \[Hyundai Solar Panels Review - EcoWatch\](https://www.ecowatch.com/solar/best-companies/hyundai-solar-panels)

\- \[Topsolar brand flexible solar panels - DIY Solar Power Forum\](https://diysolarforum.com/threads/topsolar-brand-flexible-solar-panels.31071/)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Hyundai vs A.B. Energy](https://comparepv.com/hyundai-vs-a-b-energy)
- [AE Solar vs Top Solar](https://comparepv.com/ae-solar-vs-top-solar)
- [Hyundai vs AEET](https://comparepv.com/hyundai-vs-aeet)
- [AIKO vs Top Solar](https://comparepv.com/aiko-vs-top-solar)
- [Hyundai vs AKCOME](https://comparepv.com/hyundai-vs-akcome)
- [ARTsolar vs Top Solar](https://comparepv.com/artsolar-vs-top-solar)


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Source: https://comparepv.com/hyundai-vs-top-solar

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