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

# Hyundai vs Wattpower

Hyundai has the broader catalog (65 vs 0 models). Hyundai leans bifacial (66% of lineup).


## The two companies


| Attribute | Hyundai | Wattpower |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seongnam-si | Nanjing |
| Founded | 2004 | 2020 |
| Employees | 206 | 11-50 |
| Annual capacity | 1.35 GW/year | 1-2 GW/year |
| Tier 1 | yes |  |
| Listed | Korea Stock Exchange: 322000 |  |
| Website | [https://www.hd-hyundaies.co.kr](https://www.hd-hyundaies.co.kr) | [https://www.watt-power.com](https://www.watt-power.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...

WattPower Technology Co., Ltd is a Chinese solar module manufacturer headquartered in Nanjing, Jiangsu. The company specializes in high-performance photovoltaic modules utilizing 182mm large-size silicon wafers combined with PERC, multi-busbar, half-cell, bifacial, and high-density encapsulation technologies. It...


## Catalog & Power


| Measure | Hyundai | Wattpower | Margin |
| --- | --- | --- | --- |
| Panel Models | 65 | 0 | +65 |
| Max Power | 640 W | 0 W | +640 W |
| Avg Power | 442 W | 0 W | +442 W |


## Efficiency


| Measure | Hyundai | Wattpower | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.40% | - |  |
| Avg Efficiency | 21.49% | - |  |


## Reliability & Warranty


| Measure | Hyundai | Wattpower | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.300%/°C | - |  |
| Bifacial Share | 43 (66%) | 0 (0%) | +66 pp |
| Avg Warranty | 27.4 yrs | - |  |


## Efficiency distribution

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


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


## Power distribution

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


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


## Cell technology

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


| Technology | Hyundai | Wattpower |
| --- | --- | --- |
| HJT | 25 (38.5%) | 0 |
| PERC | 25 (38.5%) | 0 |
| 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 |


## Summary

Hyundai Energy Solutions is a South Korean manufacturer headquartered in Seongnam-si, founded in 2004 as a core solar business within the Hyundai Heavy Industries Group. Now operating under the HD Hyundai conglomerate and publicly listed on the Korean Stock Exchange, the company carries confirmed BloombergNEF Tier 1 bankability status, meaning commercial lenders are willing to finance projects built around its modules. Wattpower Technology Co., Ltd is a smaller, Chinese manufacturer based in Nanjing, founded in 2020, with a reported headcount of 11-50 employees and branch offices in Germany and the United States. No independent Tier 1 or BloombergNEF bankability listing for Wattpower was found in available sources. On institutional footprint alone, Hyundai Energy Solutions holds a clear and significant advantage.

Hyundai's lineup covers several distinct residential and light-commercial segments. The XG Series targets standard rooftop installs in the 350-375 W range, the YH Series offers bifacial output suited to ground-mount or flat-roof configurations, and the flagship NF(BK) Series uses N-Type TOPCon cell technology with efficiency ratings up to 22.53%, positioning it as a premium residential or small commercial option. Wattpower's catalog, as listed in the ENF Solar panel directory, spans a notably wider power range - roughly 385 W to 700 W - and reportedly covers PERC, bifacial, HJT, and TOPCon formats, suggesting the company aims at both residential and larger commercial or utility applications. However, independent performance data and long-term field testing for Wattpower modules are not readily available in mainstream review sources.

For most buyers in 2025, Hyundai Energy Solutions is the more defensible default. Its Tier 1 bankability eases project financing, its 25-year product and performance warranties are backed by a listed industrial conglomerate with two decades of solar history, and its TOPCon NF series is reviewed positively by independent outlets. Wattpower is not necessarily a poor product, but its youth as a company, limited independent review coverage, and absence from Tier 1 lists introduce uncertainties that matter especially for larger or longer-horizon installations.

\---LINKS---

\- https://www.solarreviews.com/blog/complete-review-hyundai-solar-panels \| Complete Review of Hyundai Solar Panels 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://www.enfsolar.com/wattpower \| WattPower Technology Co., Ltd - Solar Panels Profile - ENF Solar \| article

\- https://renewablewatch.in/2025/10/28/wattpower-emerging-player-in-the-solar-inverter-space/ \| WattPower: Emerging player in the solar inverter space - Renewable Watch \| article

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 Wattpower](https://comparepv.com/aiko-vs-wattpower)
- [Hyundai vs AKCOME](https://comparepv.com/hyundai-vs-akcome)
- [ARTsolar vs Wattpower](https://comparepv.com/artsolar-vs-wattpower)


---

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

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