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

# Hyundai vs Tongwei

Tongwei has the broader catalog (122 vs 65 models). Tongwei leads on peak efficiency at 24.20%.


## The two companies


| Attribute | Hyundai | Tongwei |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seongnam-si | Chengdu |
| Founded | 2004 | 2013 |
| Employees | 206 |  |
| Annual capacity | 1.35 GW/year |  |
| Tier 1 | yes | yes |
| Listed | Korea Stock Exchange: 322000 | SSE: 600438 |
| Website | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) | [https://en.tongwei.com.cn](https://en.tongwei.com.cn) |

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 | Tongwei | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 122 | +57 |
| Max Power | 640 W | 750 W | +110 W |
| Avg Power | 442 W | 584 W | +141 W |


## Efficiency


| Measure | Hyundai | Tongwei | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 24.20% | +0.80 pp |
| Avg Efficiency | 21.49% | 22.59% | +1.10 pp |


## Reliability & Warranty


| Measure | Hyundai | Tongwei | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.284%/°C | +0.016 |
| Bifacial Share | 43 (66%) | 84 (69%) | +3 pp |
| Avg Warranty | 27.4 yrs | 29.5 yrs | +2.2 yr |


## Efficiency distribution

Tongwei skews to higher efficiency: 41% of lineup is 23%+


| Efficiency band | Hyundai | Tongwei |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 2 (1.6%) |
| 20-21% | 17 (26.2%) | 6 (4.9%) |
| 21-22% | 12 (18.5%) | 14 (11.5%) |
| 22-23% | 25 (38.5%) | 50 (41.0%) |
| 23%+ | 4 (6.2%) | 50 (41.0%) |


## Power distribution

Tongwei offers more 600W+ panels (53% of lineup)


| Power band | Hyundai | Tongwei |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 0 |
| 400-499W | 49 (75.4%) | 41 (33.6%) |
| 500-599W | 5 (7.7%) | 16 (13.1%) |
| 600-699W | 3 (4.6%) | 33 (27.0%) |
| 700W+ | 0 | 32 (26.2%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (47%)


| Technology | Hyundai | Tongwei |
| --- | --- | --- |
| HJT | 25 (38.5%) | 5 (4.1%) |
| PERC | 25 (38.5%) | 10 (8.2%) |
| Unknown | 9 (13.8%) | 6 (4.9%) |
| TOPCon | 6 (9.2%) | 57 (46.7%) |
| N-type | 0 | 44 (36.1%) |


## 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, Tongwei


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TWMNF-66HD750](https://comparepv.com/panel/tongwei-solar-twmnf-66hd750) | 750 | 24.1 | -0.280 | Monocrystalline |
| 2 | [TWMNF-66HD745](https://comparepv.com/panel/tongwei-solar-twmnf-66hd745) | 745 | 24.0 | -0.280 | Monocrystalline |
| 3 | [TWMNF-66HD740](https://comparepv.com/panel/tongwei-solar-twmnf-66hd740) | 740 | 23.8 | -0.280 | Monocrystalline |
| 4 | [TWMHF-66HD740X](https://comparepv.com/panel/tw-solar-twmhf-66hd740x) | 740 | 23.8 | -0.240 | Monocrystalline |
| 5 | [THC G12-66 Bifacial](https://comparepv.com/panel/tongwei-thc-g12-66-bifacial) | 740 | 23.8 | -0.280 | Monocrystalline |
| 6 | [TWMNF-66HD735](https://comparepv.com/panel/tongwei-solar-twmnf-66hd735) | 735 | 23.7 | -0.280 | Monocrystalline |
| 7 | [TWMHF-66HD735X](https://comparepv.com/panel/tw-solar-twmhf-66hd735x) | 735 | 23.7 | -0.240 | Monocrystalline |
| 8 | [TWMHF-66HD730X](https://comparepv.com/panel/tw-solar-twmhf-66hd730x) | 730 | 23.5 | -0.240 | Monocrystalline |
| 9 | [TWMNF-66HD730](https://comparepv.com/panel/tongwei-solar-twmnf-66hd730) | 730 | 23.5 | -0.280 | Monocrystalline |
| 10 | [TWMNF-66HD725](https://comparepv.com/panel/tongwei-solar-twmnf-66hd725) | 725 | 23.3 | -0.280 | Monocrystalline |


## Summary

HD Hyundai Energy Solutions, headquartered in South Korea and founded in 2004, is a niche manufacturer listed on the Korea Stock Exchange with a rated production capacity of 1.35 GW and a lean workforce of roughly 206 employees. Tongwei, founded in 2013 and listed on the Shanghai Stock Exchange, operates at a fundamentally different scale: a vertically integrated Chinese producer with approximately 85 GW of module capacity as of 2024 and shipments exceeding 45 GW that year, placing it among the world's top five module vendors. Both hold Bloomberg Tier 1 bankability status, confirmed through Q1 2025 for Tongwei and recognized across independent reliability scorecards for Hyundai, but Tongwei's industrial scale gives it the stronger institutional footprint for large-volume procurements.

Hyundai's 65-panel portfolio is anchored by HJT cell technology, which accounts for 39% of its lineup, with an average module power of 442 Wp, a peak of 640 Wp, and an average efficiency of 21.5% rising to 23.4% at the top of the range. About 66% of models are bifacial, and the average product warranty is 27 years - a profile that fits quality-driven residential and premium commercial rooftop installations where a compact, high-efficiency module justifies a price premium. Tongwei's broader 132-panel catalog leans on N-type technology (48% of models) and operates at a higher average power of 588 Wp, peaking at 750 Wp, with average efficiency of 22.6% and a best-in-class ceiling of 24.2%. Its temperature coefficient averages -0.284%/°C against Hyundai's -0.300%/°C, a modest but real advantage in warm climates, while a 30-year average warranty and 71% bifacial share make it a natural match for utility-scale ground mounts and large commercial systems.

For most buyers in 2025, Tongwei is the stronger default for utility and large commercial projects - higher wattage, better average efficiency, a softer temperature penalty, a longer warranty, and deep manufacturing supply chains all favor it at scale. Hyundai is a credible alternative for residential or premium rooftop work, especially in markets where a Korean brand carries customer confidence or where buyers prefer a non-Chinese-origin supply chain. The technical gap is real but not dramatic - roughly 1.1 percentage points in average efficiency and about two years on warranty - so local distributor availability and system-level cost will often be the deciding factors.

\---LINKS---

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

\- https://www.pv-magazine.com/2023/02/09/tongwei-adds-solar-modules-to-its-pv-powerhouse/ \| Tongwei adds solar modules to its PV powerhouse - pv magazine \| article

\- https://www.pvtime.org/tongwei-solar-shines-again-as-a-bloombergnef-tier-1-pv-module-manufacturer-in-q4-2024/ \| Tongwei Solar BloombergNEF Tier 1 PV Module Manufacturer Q4 2024 \| article

\- https://www.pv-tech.org/a-giant-on-the-rooftop-tongweis-tnc-2-0-modules-take-centrestage-at-all-energy-australia/ \| Tongwei TNC 2.0 modules at All Energy Australia - PV Tech \| article

\- https://www.pv-magazine.com/press-releases/hd-hyundai-energy-solutions-spotlights-new-solar-tech-at-re-2024-to-strengthen-u-s-market-position/ \| HD Hyundai Energy Solutions new solar tech at RE+ 2024 - pv magazine \| article

Sources:

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

\- \[Tongwei adds solar modules to its PV powerhouse - pv magazine\](https://www.pv-magazine.com/2023/02/09/tongwei-adds-solar-modules-to-its-pv-powerhouse/)

\- \[Tongwei Solar BloombergNEF Tier 1 Q4 2024 - PVTIME\](https://www.pvtime.org/tongwei-solar-shines-again-as-a-bloombergnef-tier-1-pv-module-manufacturer-in-q4-2024/)

\- \[Tongwei TNC 2.0 modules at All Energy Australia - PV Tech\](https://www.pv-tech.org/a-giant-on-the-rooftop-tongweis-tnc-2-0-modules-take-centrestage-at-all-energy-australia/)

\- \[HD Hyundai Energy Solutions at RE+ 2024 - pv magazine\](https://www.pv-magazine.com/press-releases/hd-hyundai-energy-solutions-spotlights-new-solar-tech-at-re-2024-to-strengthen-u-s-market-position/)

Written by claude-sonnet from the figures above.


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- [Hyundai vs A.B. Energy](https://comparepv.com/hyundai-vs-a-b-energy)
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- [AIKO vs Tongwei](https://comparepv.com/aiko-vs-tongwei)
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- [ARTsolar vs Tongwei](https://comparepv.com/artsolar-vs-tongwei)


---

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

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