---
title: "Hyundai vs WINAICO - Brand Comparison | ComparePV"
description: "Compare Hyundai vs WINAICO solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/hyundai-vs-winaico"
image: "https://comparepv.com/og/compare/manufacturers/hyundai/winaico.png"
---

# Hyundai vs WINAICO

Hyundai has the broader catalog (65 vs 44 models). WINAICO leads on peak efficiency at 25.00%. WINAICO leans bifacial (77% of lineup).


## The two companies


| Attribute | Hyundai | WINAICO |
| --- | --- | --- |
| Country | South Korea | Taiwan |
| Headquarters | Seongnam-si | Hsinchu |
| Founded | 2004 | 2003 |
| Employees | 206 | 100-500 |
| Annual capacity | 1.35 GW/year | 0.1-1 GW/year |
| Tier 1 | yes | yes |
| Listed | Korea Stock Exchange: 322000 |  |
| Website | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) | [https://winaico.com](https://winaico.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...

WINAICO is a Taiwanese manufacturer of high-performance crystalline silicon photovoltaic modules, operating as an independent subsidiary of Win Win Precision Technology. The company focuses on premium-quality solar panels backed by long warranty periods and has built a strong reputation in markets such as Germany...


## Catalog & Power


| Measure | Hyundai | WINAICO | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 44 | +21 |
| Max Power | 640 W | 675 W | +35 W |
| Avg Power | 442 W | 491 W | +48 W |


## Efficiency


| Measure | Hyundai | WINAICO | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 25.00% | +1.60 pp |
| Avg Efficiency | 21.49% | 22.99% | +1.50 pp |


## Reliability & Warranty


| Measure | Hyundai | WINAICO | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.284%/°C | +0.016 |
| Bifacial Share | 43 (66%) | 34 (77%) | +11 pp |
| Avg Warranty | 27.4 yrs | 28.9 yrs | +1.5 yr |


## Efficiency distribution

WINAICO skews to higher efficiency: 59% of lineup is 23%+


| Efficiency band | Hyundai | WINAICO |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 0 |
| 20-21% | 17 (26.2%) | 4 (9.1%) |
| 21-22% | 12 (18.5%) | 7 (15.9%) |
| 22-23% | 25 (38.5%) | 7 (15.9%) |
| 23%+ | 4 (6.2%) | 26 (59.1%) |


## Power distribution

WINAICO offers more 600W+ panels (11% of lineup)


| Power band | Hyundai | WINAICO |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 0 |
| 400-499W | 49 (75.4%) | 27 (61.4%) |
| 500-599W | 5 (7.7%) | 12 (27.3%) |
| 600-699W | 3 (4.6%) | 5 (11.4%) |


## Cell technology

Dominant cell tech: HJT (38%)

Dominant cell tech: Back Contact (41%)


| Technology | Hyundai | WINAICO |
| --- | --- | --- |
| HJT | 25 (38.5%) | 4 (9.1%) |
| PERC | 25 (38.5%) | 0 |
| Unknown | 9 (13.8%) | 10 (22.7%) |
| TOPCon | 6 (9.2%) | 4 (9.1%) |
| Back Contact | 0 | 18 (40.9%) |
| N-type | 0 | 8 (18.2%) |


## 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 |


## Top panels, WINAICO


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [WST-675BKX72-A2](https://comparepv.com/panel/winaico-wst-675bkx72-a2) | 675 | 25.0 | -0.260 | Monocrystalline |
| 2 | [WST-670BKX72-A2](https://comparepv.com/panel/winaico-wst-670bkx72-a2) | 670 | 24.8 | -0.260 | Monocrystalline |
| 3 | [WST-665BKX72-A2](https://comparepv.com/panel/winaico-wst-665bkx72-a2) | 665 | 24.6 | -0.260 | Monocrystalline |
| 4 | [WST-630NHX66-A4](https://comparepv.com/panel/winaico-wst-630nhx66-a4) | 630 | 23.3 | -0.240 | Monocrystalline |
| 5 | [WST-625NHX66-A4](https://comparepv.com/panel/winaico-wst-625nhx66-a4) | 625 | 23.1 | -0.240 | Monocrystalline |
| 6 | [WST-585NGX72-A7](https://comparepv.com/panel/winaico-wst-585ngx72-a7) | 585 | 22.6 | -0.290 | Monocrystalline |
| 7 | [WST-540NGX-D3](https://comparepv.com/panel/winaico-wst-540ngx-d3) | 540 | 22.8 | -0.300 | Monocrystalline |
| 8 | [WST-530NGX-D3](https://comparepv.com/panel/winaico-wst-530ngx-d3) | 530 | 22.3 | -0.300 | Monocrystalline |
| 9 | [WST-525NCX54-AW](https://comparepv.com/panel/winaico-wst-525ncx54-aw) | 525 | 23.6 | -0.280 | Monocrystalline |
| 10 | [WST-520NCX54-AW](https://comparepv.com/panel/winaico-wst-520ncx54-aw) | 520 | 23.4 | -0.280 | Monocrystalline |


## Summary

Hyundai is a South Korean brand under the HD Hyundai industrial group, producing solar modules primarily through HD Hyundai Energy Solutions. The company has built dedicated manufacturing lines in Korea, including a module capacity reported at around 1.35 GW and a cell factory of roughly 1.37 GW announced in 2021, and it has more recently begun mass production of N-type TOPCon cells alongside existing PERC and heterojunction (HJT) lines, such as the HiT-H series. Multiple retailer sources describe Hyundai as appearing on Bloomberg NEF's Tier 1 list, though some panels in certain markets are reportedly produced by OEM partners such as Tongwei in China rather than in Korea, so sourcing can vary by model. WINAICO, by contrast, is a Taiwanese specialist brand operated by Win Win Precision Technology, founded in 2003 as a semiconductor supplier before launching the WINAICO module brand in 2007; it has been confirmed by Bloomberg New Energy Finance as a Tier 1 module maker in past press releases, though its production scale is far smaller, with historical figures citing a single Taiwanese facility in the 180-200 MW per year range. Given its backing by a large industrial conglomerate and significantly greater production capacity, Hyundai has the stronger institutional footprint, while WINAICO operates as a smaller, quality-focused niche manufacturer.

In terms of product focus, Hyundai's catalog spans budget-to-midrange PERC modules alongside newer premium TOPCon and HJT lines, positioning it across both residential rooftops and larger commercial installations, with recent high-wattage modules (640W+) aimed at utility and commercial-scale projects through its US subsidiary. WINAICO has concentrated almost entirely on the premium residential and small commercial rooftop segment, building a reputation around durability rather than raw output, backed by extended product warranties (historically 25 years, with some residential lines now cited at up to 30 years in certain markets) and modules lab-tested to German TUV standards. WINAICO does not appear to compete meaningfully in utility-scale ground-mount projects, where Hyundai's larger-format, higher-wattage products are better suited.

For a typical residential buyer in 2025, WINAICO's reputation for consistent quality control, strong user satisfaction ratings, and long warranty terms makes it a safe, premium choice, albeit at a price premium and with more limited availability given its small production scale. Hyundai offers broader model variety and newer cell technology (TOPCon, HJT) at more competitive price points, backed by a much larger corporate parent, but buyers should verify the actual country of manufacture and current Tier 1 status for the specific model being quoted, since sourcing and classifications have shifted over time for both brands.

\---LINKS---

\- https://www.solarquotes.com.au/blog/hyundai-solar-panels-review/ \| Hyundai Solar Panels: What's The Hyundai Name Worth? \| review

\- https://pv-magazine-usa.com/?p=17518 \| HD Hyundai Energy Solutions begins mass production of N-type TOPCon cells \| article

\- https://www.pv-magazine.com/2021/03/12/hyundai-builds-1-37-gw-solar-cell-factory-in-south-korea/ \| Hyundai builds 1.37 GW solar cell factory in South Korea \| article

\- https://www.pv-magazine.com/press-releases/bloomberg-new-energy-finance-classifies-winaico-as-a-tier-1-module-maker\_100020660/ \| Bloomberg New Energy Finance classifies WINAICO as a Tier 1 module maker \| article

\- https://www.cleanenergyreviews.info/blog/winaico-solar-panel-review \| WINAICO Solar Panel Review \| review

Written by claude-sonnet-5 from the figures above.


## Other comparisons

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


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

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