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

# Hyundai vs KIOTO Solar

Hyundai has the broader catalog (65 vs 7 models). Hyundai leads on peak efficiency at 23.40%.


## The two companies


| Attribute | Hyundai | KIOTO Solar |
| --- | --- | --- |
| Country | South Korea | Austria |
| Headquarters | Seongnam-si | St. Veit an der Glan |
| Founded | 2004 | 1991 |
| Employees | 206 | 201-500 |
| Annual capacity | 1.35 GW/year | \<1 GW/year |
| Tier 1 | yes | no |
| Listed | Korea Stock Exchange: 322000 |  |
| Website | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) | [https://www.kiotosolar.com](https://www.kiotosolar.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...

KIOTO Solar (KIOTO Photovoltaics GmbH) is an Austrian manufacturer of photovoltaic modules, producing panels exclusively at its facility in St. Veit an der Glan, Carinthia. The company traces its roots to 1991 as part of the Sonnenkraft group, with PV module production beginning in 2005. It is the market leader for PV...


## Catalog & Power


| Measure | Hyundai | KIOTO Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 7 | +58 |
| Max Power | 640 W | 450 W | +190 W |
| Avg Power | 442 W | 446 W | +3 W |


## Efficiency


| Measure | Hyundai | KIOTO Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 22.83% | +0.57 pp |
| Avg Efficiency | 21.49% | 22.53% | +1.04 pp |


## Reliability & Warranty


| Measure | Hyundai | KIOTO Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.309%/°C | +0.008 |
| Bifacial Share | 43 (66%) | 4 (57%) | +9 pp |
| Avg Warranty | 27.4 yrs | 27.1 yrs | +0.2 yr |


## Efficiency distribution

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


| Efficiency band | Hyundai | KIOTO Solar |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 0 |
| 20-21% | 17 (26.2%) | 0 |
| 21-22% | 12 (18.5%) | 0 |
| 22-23% | 25 (38.5%) | 7 (100.0%) |
| 23%+ | 4 (6.2%) | 0 |


## Power distribution

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


| Power band | Hyundai | KIOTO Solar |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 0 |
| 400-499W | 49 (75.4%) | 7 (100.0%) |
| 500-599W | 5 (7.7%) | 0 |
| 600-699W | 3 (4.6%) | 0 |


## Cell technology

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

Dominant cell tech: **TOPCon** (100%)


| Technology | Hyundai | KIOTO Solar |
| --- | --- | --- |
| HJT | 25 (38.5%) | 0 |
| PERC | 25 (38.5%) | 0 |
| Unknown | 9 (13.8%) | 0 |
| TOPCon | 6 (9.2%) | 7 (100.0%) |


## 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, KIOTO Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [KPV 450 Wp HC NE](https://comparepv.com/panel/kioto-solar-kpv-450-wp-hc-ne) | 450 | 22.5 | -0.300 | Monocrystalline |
| 2 | [KPV 450Wp HC](https://comparepv.com/panel/kioto-solar-kpv-450wp-hc) | 450 | 22.5 | -0.320 | Monocrystalline |
| 3 | [KPV 450Wp HC NE (G/G-TC)](https://comparepv.com/panel/kioto-solar-kpv-450wp-hc-ne-g-g-tc) | 450 | 22.5 | -0.300 | Monocrystalline |
| 4 | [KPV 445Wp HC](https://comparepv.com/panel/kioto-solar-kpv-445wp-hc) | 445 | 22.8 | -0.320 | Monocrystalline |
| 5 | [KPV 445Wp HC NE (G/G-TC)](https://comparepv.com/panel/kioto-solar-kpv-445wp-hc-ne-g-g-tc) | 445 | 22.8 | -0.300 | Monocrystalline |
| 6 | [KPV 440 Wp HCB](https://comparepv.com/panel/kioto-solar-kpv-440-wp-hcb) | 440 | 22.0 | -0.320 | Monocrystalline |
| 7 | [KPV 440Wp HC NE (G/G-TC)](https://comparepv.com/panel/kioto-solar-kpv-440wp-hc-ne-g-g-tc) | 440 | 22.5 | -0.300 | Monocrystalline |


## Summary

HD Hyundai Energy Solutions is a South Korean manufacturer that organized its solar division in 2004, later spinning it off as an independent business from Hyundai Heavy Industries in 2016. The company operates over 1.4 GW of annual production capacity and maintains a U.S. commercial office in Irvine, California alongside its Korean headquarters, giving it a notably broad international footprint. KIOTO Solar, by contrast, is an Austrian brand produced under Sonnenkraft GmbH, which expanded its Saint Veit an der Glan production site to approximately 340 MW per year after Sonnenkraft and KIOTO merged operations around 2020. KIOTO holds the position of market leader for solar modules in Austria and distributes primarily across Europe. On raw institutional scale - production volume, global distribution reach, and access to project finance - HD Hyundai carries the stronger footprint by a clear margin.

HD Hyundai's current lineup is anchored by n-type TOPCon modules, which entered mass production in April 2025, covering residential 108-cell formats and commercial or utility-scale 144- and 156-cell configurations. The company also fields its premium HeteroMax HJT series for buyers who prioritize the lowest temperature coefficient and maximum watt-per-square-metre density. KIOTO Solar's catalog centers on monocrystalline PERC and bifacial technology, with module power ratings reaching into the 430 Wp range, well suited to residential rooftops and mid-scale commercial installations in the European context. Neither brand has been publicly confirmed as a BloombergNEF Tier 1 solar module manufacturer based on available search results.

For a buyer outside Europe, HD Hyundai is the more accessible and scalable default, backed by a larger manufacturing base and a clear n-type cell development road map. KIOTO Solar is a compelling regional choice for European installers and homeowners who value Austrian provenance and localized warranty support, especially in the DACH market where Sonnenkraft has an established service network. The two brands largely occupy different geographic and capacity tiers rather than being direct global competitors.

\---LINKS---

\- https://www.solarreviews.com/blog/complete-review-hyundai-solar-panels \| Hyundai Solar Panels Complete Review 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://pv-magazine-usa.com/press-releases/hd-hyundai-energy-solutions-begins-mass-production-of-n-type-topcon-cells/ \| HD Hyundai begins mass production of N-Type TOPCon cells - pv magazine USA \| article

\- https://www.solarfeeds.com/biz/kioto-solar/ \| KIOTO Solar Company Overview and Tier 1 Status - Solarfeeds \| review

\- https://www.vpsolar.com/en/sonnenkraft-kioto-solar-new-photovoltaic-modules-available-at-vp-solar/ \| Sonnenkraft KIOTO Solar new PV modules available - VP Solar \| article

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/)

\- \[HD Hyundai Energy Solutions begins mass production of N-Type TOPCon cells - pv magazine USA\](https://pv-magazine-usa.com/press-releases/hd-hyundai-energy-solutions-begins-mass-production-of-n-type-topcon-cells/)

\- \[KIOTO Solar Company Overview - Solarfeeds\](https://www.solarfeeds.com/biz/kioto-solar/)

\- \[Sonnenkraft/KIOTO Solar new PV modules - VP Solar\](https://www.vpsolar.com/en/sonnenkraft-kioto-solar-new-photovoltaic-modules-available-at-vp-solar/)

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

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/hyundai-vs-kioto-solar

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