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

# Hyundai vs Just Solar

Hyundai has the broader catalog (65 vs 42 models). Just Solar leads on peak efficiency at 23.82%. Hyundai leans bifacial (66% of lineup).


## The two companies


| Attribute | Hyundai | Just Solar |
| --- | --- | --- |
| Country | South Korea |  |
| Headquarters | Seongnam-si |  |
| Founded | 2004 |  |
| Employees | 206 |  |
| Annual capacity | 1.35 GW/year |  |
| Tier 1 | yes | no |
| Listed | Korea Stock Exchange: 322000 |  |
| Website | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) |  |

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...


## Catalog & Power


| Measure | Hyundai | Just Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 42 | +23 |
| Max Power | 640 W | 740 W | +100 W |
| Avg Power | 442 W | 491 W | +48 W |


## Efficiency


| Measure | Hyundai | Just Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 23.82% | +0.42 pp |
| Avg Efficiency | 21.49% | 22.08% | +0.59 pp |


## Reliability & Warranty


| Measure | Hyundai | Just Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.306%/°C | +0.006 |
| Bifacial Share | 43 (66%) | 7 (17%) | +49 pp |
| Avg Warranty | 27.4 yrs | 28.5 yrs | +1.1 yr |


## Efficiency distribution

Just Solar skews to higher efficiency: 33% of lineup is 23%+


| Efficiency band | Hyundai | Just Solar |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 0 |
| 20-21% | 17 (26.2%) | 8 (19.0%) |
| 21-22% | 12 (18.5%) | 14 (33.3%) |
| 22-23% | 25 (38.5%) | 6 (14.3%) |
| 23%+ | 4 (6.2%) | 14 (33.3%) |


## Power distribution

Just Solar offers more 600W+ panels (17% of lineup)


| Power band | Hyundai | Just Solar |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 7 (16.7%) |
| 400-499W | 49 (75.4%) | 21 (50.0%) |
| 500-599W | 5 (7.7%) | 7 (16.7%) |
| 600-699W | 3 (4.6%) | 0 |
| 700W+ | 0 | 7 (16.7%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (52%)


| Technology | Hyundai | Just Solar |
| --- | --- | --- |
| HJT | 25 (38.5%) | 7 (16.7%) |
| PERC | 25 (38.5%) | 0 |
| Unknown | 9 (13.8%) | 0 |
| TOPCon | 6 (9.2%) | 22 (52.4%) |
| Back Contact | 0 | 13 (31.0%) |


## 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, Just Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JST-FCMH-740W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-740w-hd) | 740 | 23.8 | -0.260 | Monocrystalline |
| 2 | [JST-FCMH-735W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-735w-hd) | 735 | 23.7 | -0.260 | Monocrystalline |
| 3 | [JST-FCMH-730W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-730w-hd) | 730 | 23.5 | -0.260 | Monocrystalline |
| 4 | [JST-FCMH-725W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-725w-hd) | 725 | 23.3 | -0.260 | Monocrystalline |
| 5 | [JST-FCMH-720W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-720w-hd) | 720 | 23.2 | -0.260 | Monocrystalline |
| 6 | [JST-FCMH-715W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-715w-hd) | 715 | 23.0 | -0.260 | Monocrystalline |
| 7 | [JST-FCMH-710W-HD](https://comparepv.com/panel/just-solar-jst-fcmh-710w-hd) | 710 | 22.9 | -0.260 | Monocrystalline |
| 8 | [JST-EBMH-560W-D](https://comparepv.com/panel/just-solar-jst-ebmh-560w-d) | 560 | 21.9 | -0.360 | Monocrystalline |
| 9 | [JST-EBMH-555W-D](https://comparepv.com/panel/just-solar-jst-ebmh-555w-d) | 555 | 21.7 | -0.360 | Monocrystalline |
| 10 | [JST-EBMH-550W-D](https://comparepv.com/panel/just-solar-jst-ebmh-550w-d) | 550 | 21.5 | -0.360 | Monocrystalline |


## Other comparisons

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


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

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