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FoxESS vs Hyundai - solar panel manufacturer comparison

FoxESS
China Founded 2019 Tier 1
Read the FoxESS review
VS
Hyundai
South Korea Founded 2004 Tier 1
Read the Hyundai review
At a glance

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

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
0 65
Highest power
0 Wp 640 Wp
Best efficiency
- 23.4%
Average efficiency
- 21.5%
Bifacial share
0% 66%
Average warranty
- 27 yrs
01

The two companies

Company facts, not datasheet figures
FoxESS

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...

Founded
2019
Headquarters
Wenzhou, China
Tier 1 bankable
Yes
Hyundai

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...

Founded
2004
Headquarters
Seongnam-si, South Korea
Annual capacity
1.35 GW/year
Employees
206
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric FoxESS Hyundai
Catalog & Power
Panel Models 0 65+65
Max Power 0 W 640 W+640 W
Avg Power 0 W 442 W+442 W
Efficiency
Max Efficiency - 23.40%
Avg Efficiency - 21.49%
Reliability & Warranty
Avg Temp Coefficient - -0.300%/°C
Bifacial Share 0 (0%) 43 (66%)+66 pp
Avg Warranty - 27.4 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

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

Power spread
Share of each catalogue in every power band

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

FoxESS cell technology
Share of their models by cell architecture
Hyundai cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>HJT</strong> (38%)

04

The flagships

Highest-power models from each brand
FoxESS all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

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.

Generated by Claude Sonnet · 2026-06-09

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 42 Hyundai offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.