West Holdings Corporation West Holdings Corporation (1407.T) engages primarily in the renewable energy business, encompassing the design, construction, sales, operation, and maintenance of solar and wind power generation facilities for public, industrial, municipal, residential, and commercial applications in Japan and internationally. The company offers core products and services including high-voltage solar power plants for municipalities and special high-pressure systems; industrial low-pressure and self-consumption solar power generation through EPC contracts and non-FIT development; residential solar power systems; O&M services for photovoltaic plants utilizing monitoring and drone technology; energy conservation solutions such as LED lighting, air conditioning, ecoCloud thermal management for refrigerators and freezers, and comprehensive West Esco services; electricity retailing, green power wholesaling, power purchase agreements (PPA), and generation from owned solar assets. Founded in 1981 and headquartered in Tokyo, Japan, West Holdings operates through segments in renewable energy, energy conservation, electric power, and maintenance, targeting large energy consumers like factories, offices, hospitals, and commercial facilities while contributing to decarbonization and SDGs via initiatives like the CoCoLo project for CO2 reduction and J-Credit environmental value creation. Recent developments include sustained expansion in high-pressure solar power development with over 400 sites, industrial low-pressure installations exceeding 7,000 units, residential sales surpassing 130,000 units, and low-pressure construction at more than 1,100 sites as of October 2025, alongside ongoing integration of planning, construction, O&M, and renewal services with cross-selling proposals and drone-enhanced maintenance.