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

# Hyundai vs S-Energy

S-Energy has the broader catalog (91 vs 65 models). Hyundai leads on peak efficiency at 23.40%. S-Energy leans bifacial (77% of lineup).


## The two companies


| Attribute | Hyundai | S-Energy |
| --- | --- | --- |
| Country | South Korea | South Korea |
| Headquarters | Seongnam-si | Seoul |
| Founded | 2004 | 2011 |
| 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) | [https://www.s-energy.com](https://www.s-energy.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...


## Catalog & Power


| Measure | Hyundai | S-Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 91 | +26 |
| Max Power | 640 W | 665 W | +25 W |
| Avg Power | 442 W | 512 W | +70 W |


## Efficiency


| Measure | Hyundai | S-Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | 22.38% | +1.02 pp |
| Avg Efficiency | 21.49% | 21.00% | +0.50 pp |


## Reliability & Warranty


| Measure | Hyundai | S-Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | -0.339%/°C | +0.039 |
| Bifacial Share | 43 (66%) | 70 (77%) | +11 pp |
| Avg Warranty | 27.4 yrs | 27.7 yrs | +0.4 yr |


## Efficiency distribution

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


| Efficiency band | Hyundai | S-Energy |
| --- | --- | --- |
| \<20% | 7 (10.8%) | 0 |
| 20-21% | 17 (26.2%) | 50 (54.9%) |
| 21-22% | 12 (18.5%) | 34 (37.4%) |
| 22-23% | 25 (38.5%) | 7 (7.7%) |
| 23%+ | 4 (6.2%) | 0 |


## Power distribution

S-Energy offers more 600W+ panels (12% of lineup)


| Power band | Hyundai | S-Energy |
| --- | --- | --- |
| \<400W | 8 (12.3%) | 4 (4.4%) |
| 400-499W | 49 (75.4%) | 36 (39.6%) |
| 500-599W | 5 (7.7%) | 40 (44.0%) |
| 600-699W | 3 (4.6%) | 11 (12.1%) |


## Cell technology

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

Dominant cell tech: **PERC** (59%)


| Technology | Hyundai | S-Energy |
| --- | --- | --- |
| HJT | 25 (38.5%) | 0 |
| PERC | 25 (38.5%) | 54 (59.3%) |
| Unknown | 9 (13.8%) | 12 (13.2%) |
| TOPCon | 6 (9.2%) | 25 (27.5%) |


## 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, S-Energy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SL85-66BDL-665R](https://comparepv.com/panel/s-energy-sl85-66bdl-665r) | 665 | 21.4 | -0.340 | Monocrystalline |
| 2 | [SL85-66BDL-660R](https://comparepv.com/panel/s-energy-sl85-66bdl-660r) | 660 | 21.3 | -0.340 | Monocrystalline |
| 3 | [SL85-66BDL-655R](https://comparepv.com/panel/s-energy-sl85-66bdl-655r) | 655 | 21.1 | -0.340 | Monocrystalline |
| 4 | [SL85-66BDL-650R](https://comparepv.com/panel/s-energy-sl85-66bdl-650r) | 650 | 20.9 | -0.340 | Monocrystalline |
| 5 | [SL85-66BDL-645R](https://comparepv.com/panel/s-energy-sl85-66bdl-645r) | 645 | 20.8 | -0.340 | Monocrystalline |
| 6 | [SL65-78TDP-625R](https://comparepv.com/panel/s-energy-sl65-78tdp-625r) | 625 | 22.4 | -0.300 | Monocrystalline |
| 7 | [SL65-78TDP-620R](https://comparepv.com/panel/s-energy-sl65-78tdp-620r) | 620 | 22.2 | -0.300 | Monocrystalline |
| 8 | [SL65-78TDP-615R](https://comparepv.com/panel/s-energy-sl65-78tdp-615r) | 615 | 22.0 | -0.300 | Monocrystalline |
| 9 | [SL65-78TDP-610R](https://comparepv.com/panel/s-energy-sl65-78tdp-610r) | 610 | 21.8 | -0.300 | Monocrystalline |
| 10 | [SL65-78TDP-605R](https://comparepv.com/panel/s-energy-sl65-78tdp-605r) | 605 | 21.7 | -0.300 | Monocrystalline |


## Summary

Hyundai Energy Solutions - operating today under the HD Hyundai Energy Solutions brand following a 2023 renaming - is a South Korean manufacturer founded in 2004 and headquartered in Seongnam-si. The company grew out of the broader HD Hyundai industrial group and has built a track record of nearly two decades in photovoltaics. S-Energy is also South Korean, tracing its origins to Samsung Electronics' photovoltaic division when it was spun off in 2001 and based in Gyeonggi-do. Both companies have held BNEF Tier 1 recognition, confirming baseline bankability with project lenders. S-Energy's annual manufacturing output is approximately 500 MW, a modest scale by current standards; Hyundai's exact annual capacity was not confirmed in available sources, though its broader corporate infrastructure and ongoing technology investment give it a meaningfully stronger institutional footprint overall.

In terms of product positioning, HD Hyundai Energy Solutions targets residential rooftop and small-to-medium commercial segments with panel families including the XG Series for standard rooftop use and the bifacial YH Series suited to ground-mount applications. Critically, as of April 2025 the company began mass production of N-Type TOPCon cells exceeding 24% cell efficiency, signaling a clear technology transition away from its prior PERC lineup. S-Energy competes primarily on price, offering panels at a noticeably lower cost per watt than premium brands across a wide efficiency range. However, independent reviewers have flagged an annual degradation rate of roughly 0.7%, which is higher than the 0.4% or better that leading manufacturers now warrant, and the company has reported operating losses continuously since 2017.

For a typical buyer in 2025, HD Hyundai Energy Solutions is the more defensible choice. Its TOPCon transition, competitive mid-market pricing, and stable corporate backing reduce technology and warranty-longevity risk. S-Energy can still make sense for cost-sensitive projects with generous roof space, but its financial fragility is a legitimate concern when evaluating 25-year warranty obligations.

\---LINKS---

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

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

\- https://www.solarreviews.com/blog/s-energy-solar-panels-review \| S-Energy Solar Panels Review - SolarReviews \| review

\- https://www.energysage.com/solar-panels/s-energy/ \| S-Energy Solar Panels - EnergySage \| review

\- https://solartechonline.com/blog/s-energy-solar-panels-review-2025/ \| S-Energy Solar Panels Review 2025 - Complete Performance Analysis \| review

Sources:

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

\- \[S-Energy Solar Panels Review 2025: Complete Performance Analysis\](https://solartechonline.com/blog/s-energy-solar-panels-review-2025/)

\- \[S-Energy Solar Panels - EnergySage\](https://www.energysage.com/solar-panels/s-energy/)

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

\- \[S-Energy Solar Panels Review - SolarReviews\](https://www.solarreviews.com/blog/s-energy-solar-panels-review)

Written by claude-sonnet from the figures above.


## Other comparisons

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


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Source: https://comparepv.com/hyundai-vs-s-energy

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