Hyundai vs KIOTO Solar - solar panel manufacturer comparison
Hyundai has the broader catalog (65 vs 7 models). Hyundai leads on peak efficiency at 23.40%.
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.
The two companies
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
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...
- Founded
- 1991
- Headquarters
- St. Veit an der Glan, Austria
- Annual capacity
- <1 GW/year
- Employees
- 201-500
Catalogue against catalogue
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.
What each of them builds
Hyundai skews to higher efficiency: 6% of lineup is 23%+
Hyundai offers more 600W+ panels (5% of lineup)
Dominant cell tech: <strong>HJT</strong> (38%)
Dominant cell tech: <strong>TOPCon</strong> (100%)
The flagships
Written 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.
- Hyundai Solar Panels Complete Review 2025 - SolarReviews
- Hyundai Solar Panels Complete Review - EnergySage
- HD Hyundai begins mass production of N-Type TOPCon cells - pv magazine USA
- KIOTO Solar Company Overview and Tier 1 Status - Solarfeeds
- Sonnenkraft KIOTO Solar new PV modules available - VP Solar
Generated by Claude Sonnet · 2026-06-03
Other brand comparisons
Shop prices: See 38 Hyundai offers · See 2 KIOTO Solar 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.