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Hyundai vs Sunplus - solar panel manufacturer comparison

Hyundai
South Korea Founded 2004 Tier 1
Read the Hyundai review
VS
Sunplus
Headquarters not published
Read the Sunplus review
At a glance

Hyundai has the broader catalog (65 vs 11 models). Sunplus leads on peak efficiency at 24.10%. Sunplus leans bifacial (100% of lineup).

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
65 11
Highest power
640 Wp 750 Wp
Best efficiency
23.4% 24.1%
Average efficiency
21.5% 22.4%
Bifacial share
66% 100%
Average warranty
27 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
Hyundai

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...

Founded
2004
Headquarters
Seongnam-si, South Korea
Annual capacity
1.35 GW/year
Employees
206
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Hyundai Sunplus
Catalog & Power
Panel Models 65+54 11
Max Power 640 W 750 W+110 W
Avg Power 442 W 670 W+228 W
Efficiency
Max Efficiency 23.40% 24.10%+0.70 pp
Avg Efficiency 21.49% 22.42%+0.93 pp
Reliability & Warranty
Avg Temp Coefficient -0.300%/°C+0.018 -0.318%/°C
Bifacial Share 43 (66%) 11 (100%)+34 pp
Avg Warranty 27.4 yrs 30.0 yrs+2.6 yr

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Sunplus skews to higher efficiency: 55% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Sunplus offers more 600W+ panels (64% of lineup)

Hyundai cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>HJT</strong> (38%)

Sunplus cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>HJT</strong> (55%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Hyundai Energy Solutions, operating under South Korea's HD Hyundai conglomerate, has manufactured solar panels since the mid-2000s and is recognized as a Tier 1 bankable brand, meaning commercial lenders treat its products as financeable collateral for project debt. The company operates smart-factory production facilities in Korea and has expanded its lineup into the U.S. residential market, where it consistently appears on shortlists of established mid-tier brands. Sunplus Optimum Inc is a considerably smaller and newer entrant, positioning itself toward the U.S., Latin American, and Caribbean markets with manufacturing bases spread across the Americas, Asia, and Europe. While Sunplus claims its modules are produced under Bloomberg Tier 1 guidelines, no independent source confirms it holds a formal BNEF Tier 1 designation - a meaningful distinction for project finance and long-term bankability. Hyundai carries the stronger institutional footprint by a substantial margin.

On product range, Hyundai offers residential-focused lines built on both PERC and N-type TOPCon cell technology, with its newer NF(BK) series targeting premium rooftop installs that demand high efficiency and low degradation rates. The company backs its modules with 25-year product and performance warranties independently certified through UL and VDE labs. Sunplus centers its current catalog on bifacial mono panels - including a 550 W module with confirmed UL and California Energy Commission certification - that suit residential rooftops, smaller commercial arrays, and entry-level utility projects in growth markets. Sunplus does not appear to have yet published a confirmed TOPCon line, though its bifacial dual-glass construction is a competitive design choice for energy yield in diffuse-light climates.

For a typical buyer in 2025, Hyundai is the safer default when warranty enforcement, resale value, and lender acceptance matter. Sunplus can be a reasonable budget-oriented option for buyers in its target markets where price sensitivity outweighs brand pedigree, but its limited independent track record makes it harder to recommend for large or financed installations.

Generated by Claude Sonnet · 2026-06-09

06

Other brand comparisons

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 42 Hyundai offers · See 7 Sunplus offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.