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

# Hyundai vs Twinsel Electronic Technology

Hyundai has the broader catalog (65 vs 17 models). Hyundai leads on peak efficiency at 23.40%.


## The two companies


| Attribute | Hyundai | Twinsel Electronic Technology |
| --- | --- | --- |
| 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 | Twinsel Electronic Technology | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 17 | +48 |
| Max Power | 640 W | 700 W | +60 W |
| Avg Power | 442 W | 646 W | +203 W |


## Efficiency


| Measure | Hyundai | Twinsel Electronic Technology | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 22.50% | +0.90 pp |
| Avg Efficiency | 21.49% | 21.86% | +0.37 pp |


## Reliability & Warranty


| Measure | Hyundai | Twinsel Electronic Technology | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.272%/°C | +0.028 |
| Bifacial Share | 43 (66%) | 12 (71%) | +4 pp |
| Avg Warranty | 27.4 yrs | 28.5 yrs | +1.1 yr |


## Efficiency distribution

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


| Efficiency band | Hyundai | Twinsel Electronic Technology |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 0 |
| 20-21% | 17 (26.2%) | 2 (11.8%) |
| 21-22% | 12 (18.5%) | 6 (35.3%) |
| 22-23% | 25 (38.5%) | 9 (52.9%) |
| 23%+ | 4 (6.2%) | 0 |


## Power distribution

Twinsel Electronic Technology offers more 600W+ panels (71% of lineup)


| Power band | Hyundai | Twinsel Electronic Technology |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 0 |
| 400-499W | 49 (75.4%) | 0 |
| 500-599W | 5 (7.7%) | 5 (29.4%) |
| 600-699W | 3 (4.6%) | 10 (58.8%) |
| 700W+ | 0 | 2 (11.8%) |


## Cell technology

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

Dominant cell tech: **HJT** (71%)


| Technology | Hyundai | Twinsel Electronic Technology |
| --- | --- | --- |
| HJT | 25 (38.5%) | 12 (70.6%) |
| PERC | 25 (38.5%) | 5 (29.4%) |
| Unknown | 9 (13.8%) | 0 |
| TOPCon | 6 (9.2%) | 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, Twinsel Electronic Technology


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TSM132-8-675-700BHDG (700W variant)](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-675-700bhdg-700w-variant) | 700 | 22.5 | -0.240 | Monocrystalline |
| 2 | [TSM132-8-700BHDG](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-700bhdg) | 700 | 22.5 | -0.240 | Monocrystalline |
| 3 | [TSM132-8-675-700BHDG (695W variant)](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-675-700bhdg-695w-variant) | 695 | 22.4 | -0.240 | Monocrystalline |
| 4 | [TSM132-8-695BHDG](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-695bhdg) | 695 | 22.4 | -0.240 | Monocrystalline |
| 5 | [TSM132-8-675-700BHDG (690W variant)](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-675-700bhdg-690w-variant) | 690 | 22.2 | -0.240 | Monocrystalline |
| 6 | [TSM132-8-690BHDG](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-690bhdg) | 690 | 22.2 | -0.240 | Monocrystalline |
| 7 | [TSM132-8-675-700BHDG (685W variant)](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-675-700bhdg-685w-variant) | 685 | 22.2 | -0.240 | Monocrystalline |
| 8 | [TSM132-8-685BHDG](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-685bhdg) | 685 | 22.1 | -0.240 | Monocrystalline |
| 9 | [TSM132-8-675-700BHDG (680W variant)](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-675-700bhdg-680w-variant) | 680 | 22.1 | -0.240 | Monocrystalline |
| 10 | [TSM132-8-680BHDG](https://comparepv.com/panel/twinsel-electronic-technology-tsm132-8-680bhdg) | 680 | 21.9 | -0.240 | Monocrystalline |


## Summary

Hyundai Energy Solutions is the solar manufacturing arm of South Korea's HD Hyundai conglomerate, holding BloombergNEF Tier 1 bankable status and operating at approximately 1.4 GW of annual module production capacity. Its R&D center carries accredited laboratory status from UL and VDE, and the brand has supplied panels to large financed projects in the United States, including a 455 MWdc installation in Texas. Twinsel Electronic Technology is a smaller Chinese manufacturer founded in 2011 and headquartered in Ninghai County, Zhejiang Province. No evidence emerged from publicly available sources of Twinsel carrying BloombergNEF Tier 1 status, and no GW-scale production figures are publicly disclosed. The company reports overseas offices in more than ten countries and operations spanning roughly fifty markets, but its institutional footprint is considerably more modest than Hyundai's.

On products, HD Hyundai offers a clearly defined residential and commercial range built around confirmed N-type TOPCon technology. Residential lines such as the XG, YH, and NF series reach module efficiencies in the low-to-mid 22% range, while large-format commercial panels serve utility-scale ground mounts. Hyundai was recognized as a top performer in PVEL's Product Quality Program in 2025 and backs its panels with a 30-year performance warranty. Twinsel's catalog, as listed in the ENF Solar directory, spans both PERC and TOPCon bifacial formats at higher wattages alongside lower-wattage compact panels suited to off-grid, mobile, and budget small-commercial buyers. The company holds multiple international certifications including CE, TUV, UL, and SAA.

For most buyers, Hyundai Energy Solutions is the more dependable default in 2025. Its Tier 1 bankability, verifiable production scale, long warranty terms, and track record on financed projects provide institutional reassurance that Twinsel, as a smaller manufacturer without confirmed Tier 1 status, does not yet match. Twinsel may suit price-sensitive off-grid or small-scale applications where bankability is less critical, but for grid-connected projects under lender scrutiny, Hyundai holds a clear advantage.

\---LINKS---

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

\- https://www.solarpowerworldonline.com/2024/09/hd-hyundai-to-launch-new-topcon-modules-at-re/ \| HD Hyundai to launch new TOPCon modules at RE+ 2024 \| article

\- https://www.enfsolar.com/twinsel-electronic-technology \| Twinsel Electronic Technology - ENF Solar manufacturer profile \| article

Sources:

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

\- \[HD Hyundai to launch new TOPCon modules at RE+\](https://www.solarpowerworldonline.com/2024/09/hd-hyundai-to-launch-new-topcon-modules-at-re/)

\- \[Zhejiang Twinsel Electronic Technology Co., Ltd. - ENF Solar\](https://www.enfsolar.com/twinsel-electronic-technology)

\- \[Hyundai Energy Solutions - SRS Distribution\](https://www.srsdistribution.com/en/products/key-suppliers/hyundai-energy-solutions/)

Written by claude-sonnet from the figures above.


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

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