QC

Qcells

Hanwha QCELLS GmbH

Seoul, South Korea

SolarEnergy StorageSubsidiary
Founded 1999501-1000 employees
Profile last updated: March 13, 2026

About

Founded in 1999, Qcells is a subsidiary headquartered in Seoul, South Korea with approximately 501-1000 employees specializing in Solar, Energy Storage.

Qcells is one of the world's largest solar energy providers, founded in 1999 in Germany. The company manufactures high-efficiency solar cells, modules, and complete solar energy systems for residential, commercial, and utility-scale applications. Qcells operates as a subsidiary of South Korea's Hanwha Group (Fortune Global 500 company) and operates production facilities in South Korea, Malaysia, China, and the USA. With four global R&D centers and approximately 200 experts in research and development, Qcells has achieved multiple efficiency records, including 29.9% for tandem solar cells. The company offers a comprehensive product portfolio including solar modules, energy storage systems, wallbox chargers, and energy management software. Qcells has established itself as a technology leader in the renewable energy sector with certifications and recognition as a top-tier module provider by major industry assessments.

Headquarters

Seoul, South Korea

Founded

1999

Employees

501-1000

Company type

Subsidiary

Focus areas

Solar PVEnergy StorageSolar ModulesWallboxHome Energy ManagementRenewable EnergyPhotovoltaicBattery StorageSolar Cells

Products & services

Business models

B2BB2CEPC

Value chain

R&DManufacturingDevelopmentEngineeringConstructionO&MConsultingRetail

Service areas (3)

  • Residential Solar Solutions

    Complete solar systems for private homes including modules, storage, wallbox and energy management systems

  • Commercial and Industrial Solar

    Large-scale solar installations and energy solutions for commercial and industrial customers

  • Utility-Scale Solar

    Large solar power plants and distributed energy solutions

Locations

Headquarters

Seoul, South Korea

Operating locations (3)

  • Sonnenallee 17-21, Bitterfeld-Wolfen, Saxony-Anhalt, Germany
  • Thalheim, Saxony-Anhalt, Germany
  • Berlin, Germany

Service regions

GermanyEuropeGlobal

Projects

5

Davos Congress Center Solar Installation

OperationalRooftop solar PV

PV system installed at the World Economic Forum in Davos with 640 Qcells Q.PEAK modules generating 340 kWp, producing approximately 20 tonnes of CO2 avoidance per year

0.34 MW capacityDavos, Switzerland

Bundesanstalt für Wasserbau Solar Installation

OperationalRooftop solar PV

1,478 half-cell modules on Hall V producing 560,000 kWh of clean solar power annually

Karlsruhe, Germany

Jukdo Island Energy Independence Project

OperationalSolar power plant

200 kW solar power system converting diesel-dependent island to 100% renewable energy

0.2 MW capacitySouth Korea

Community Development Projects

OperationalSolar power systems

1,779 kW of solar power systems donated to 254 community development projects in South Korea, China and Mongolia

1.779 MW capacity

Bujagali Hydropower Support

OperationalHydropower

Support for hydropower project in Uganda improving electricity supply and saving approximately 12,000 tonnes of CO2 per year

Uganda

Credentials & affiliations

Certifications

Bloomberg Tier 1 Rating

Issued by: Bloomberg

Top Tier Module Provider

Issued by: BNEF

Awards

Top Performer

Kiwa PVEL2024

Top Brand PV in Europe

EUPD Research2024

Industry memberships

BDEW

Partnerships

Fraunhofer-Institut für Solare Energiesysteme

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