ENEX / Renewable Energy World Exhibition / Offshore Tech Japan / InterAqua is an energy innovation exhibition held in Tokyo, scheduled for December 2026 at Tokyo Big Sight.

The combined exhibition covers energy saving and management, renewable energy, marine industrial technology and water solutions, creating business matching around GX, DX, optimized energy use, energy conservation, renewable energy adoption, water treatment technology and marine development.

Target visitors include corporate energy users such as factories, buildings and offices, management departments, construction and design companies, electric utilities, gas and heat suppliers, renewable energy businesses, local governments, research institutions, marine contractors and operators seeking new marine energy businesses.