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

# FoxESS vs Hyundai

Hyundai has the broader catalog (65 vs 0 models). Hyundai leans bifacial (66% of lineup).


## The two companies


| Attribute | FoxESS | Hyundai |
| --- | --- | --- |
| Country | China | South Korea |
| Headquarters | Wenzhou | Seongnam-si |
| Founded | 2019 | 2004 |
| Employees |  | 206 |
| Annual capacity |  | 1.35 GW/year |
| Tier 1 | yes | yes |
| Listed |  | Korea Stock Exchange: 322000 |
| Website | [https://www.fox-ess.com](https://www.fox-ess.com) | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) |

FoxESS is a global leader in inverter and energy storage solutions, backed by the Fortune Global 500 Tsingshan Group. The company specializes in hybrid inverters, lithium battery storage systems, and smart energy management platforms for residential and commercial applications. With operations in over 70 countries and...

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 | FoxESS | Hyundai | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 65 | +65 |
| Max Power | 0 W | 640 W | +640 W |
| Avg Power | 0 W | 442 W | +442 W |


## Efficiency


| Measure | FoxESS | Hyundai | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 23.40% |  |
| Avg Efficiency | - | 21.49% |  |


## Reliability & Warranty


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


## Efficiency distribution

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


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


## Power distribution

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


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


## Cell technology

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


| Technology | FoxESS | Hyundai |
| --- | --- | --- |
| HJT | 0 | 25 (38.5%) |
| PERC | 0 | 25 (38.5%) |
| Unknown | 0 | 9 (13.8%) |
| TOPCon | 0 | 6 (9.2%) |


## 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 |


## Summary

FoxESS is a Chinese energy technology company founded in 2019 and headquartered in Wenzhou, China, operating as a subsidiary of Tsingshan Holding Group. It achieved unicorn status in 2023 with a reported valuation of approximately $1.4 billion, reflecting rapid growth, but its core business is solar inverters, hybrid storage systems, EV chargers, and heat pumps - not solar panel manufacturing. FoxESS does not appear on BloombergNEF's Tier 1 solar module list, as module production is not its primary focus. Hyundai Energy Solutions, the solar division of South Korea's HD Hyundai, occupies a fundamentally different position: it carries BloombergNEF Tier 1 bankability status, draws on the Fortune 500 resources of its parent conglomerate, and has a manufacturing track record spanning several decades. On institutional credibility and long-term financial backing, Hyundai Energy Solutions holds a clear structural advantage.

When it comes to products, FoxESS is best understood as an inverter and battery storage ecosystem brand rather than a panel brand; the common scenario is buyers pairing FoxESS inverters with third-party modules. Hyundai Energy Solutions, by contrast, offers a dedicated panel lineup built on N-type TOPCon cell technology, with bifacial modules covering residential rooftop needs in the 435 W range and scaling toward 640 W formats suited to commercial and light utility-scale ground mounts. Its NF-series panels come with a 25-year product warranty and a 30-year performance warranty, which is above the residential industry norm and reflects confidence in long-term output retention.

For a buyer shopping specifically for solar panels in 2025, Hyundai Energy Solutions is the straightforward choice here, because FoxESS is not meaningfully a panel manufacturer - its competitive strength lies in the inverter and storage stack. A buyer wanting a complete FoxESS-branded energy system would still need to source modules elsewhere. If the comparison is instead framed as inverter ecosystems, FoxESS is a credible mid-tier option with competitive pricing, while Hyundai panels pair well with any major inverter brand on the market.

\---LINKS---

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

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/hyundai-solar-panels-complete-review/ \| Hyundai Solar Panels Complete Review - EnergySage \| review

\- https://www.ecowatch.com/solar/best-companies/hyundai-solar-panels \| Hyundai Solar Panels Review Cost and Ratings 2025 - EcoWatch \| review

\- https://www.cleanenergyreviews.info/blog/foxess-solar-inverter-and-battery-review \| FoxESS Inverter and Battery Review - Clean Energy Reviews \| review

Sources:

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

\- \[Hyundai Solar Panels: The Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/hyundai-solar-panels-complete-review/)

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

\- \[FoxESS Inverter and Battery Review - Clean Energy Reviews\](https://www.cleanenergyreviews.info/blog/foxess-solar-inverter-and-battery-review)

Written by claude-sonnet from the figures above.


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- [AIKO vs Hyundai](https://comparepv.com/aiko-vs-hyundai)
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- [ARTsolar vs Hyundai](https://comparepv.com/artsolar-vs-hyundai)


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Source: https://comparepv.com/foxess-vs-hyundai

