VS

VSUN Solar

Tokyo, Japan

SolarSubsidiary
Profile last updated: June 6, 2026

About

VSUN Solar is a subsidiary headquartered in Tokyo, Japan specializing in Solar.

VSUN Solar is a Japanese-invested solar solution provider headquartered in Tokyo. It manufactures solar wafers, cells and modules through a vertically integrated supply chain, offering monofacial, bifacial and Ultra Black module series (Vesta, Vesta N, Vesta Ultra Black, Vesta Duo). The company also provides EPC services, logistics and customised solar solutions for utility, commercial and industrial, and residential projects. VSUN is a subsidiary of Fuji Solar, which is part of the Abalance Group. Offices are located in North America, Europe and Asia.

Headquarters

Tokyo, Japan

Company type

Subsidiary

Focus areas

solar modulesvertically integratedTOPConbifacial modulesEPCsolar manufacturingPV module warrantyJapanese quality management

Products & services

Business models

B2BEPC

Value chain

ManufacturingDevelopmentEngineeringProcurementConstructionO&MTrading

Service areas (2)

  • Engineering, Procurement & Construction (EPC)

    Turnkey EPC services for solar projects, including design, procurement, construction and maintenance.

  • Solar module supply

    Supply of monofacial, bifacial and Ultra Black solar modules, with customised options and global logistics.

Locations

Headquarters

Tokyo, Japan

Operating locations (3)

  • Sebastian-Kneipp-Str. 41, Frankfurt am Main, Germany
  • 909 Corporate Way, Fremont, California, United States
  • Lot III Dong Vang, Dinh Tram Industrial Park, Nenh Ward, Bac Ninh, Bac Ninh Province, Vietnam

Credentials & affiliations

Certifications

ISO 9001

ISO 14001

ISO 45001

ISO 27001

Awards

BloombergNEF Tier 1 PV Module Manufacturer

BloombergNEF2025

Top Performer

PVEL2025

Silver Medal, Sustainability Rating

EcoVadis2025

Overall Highest Achievers Award

RETC2025

Industry memberships

United Nations Global Compact

Partnerships

Munich Re, University of Languages & International Studies

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