The Japan International Solar Energy Exhibition consists of PV EXPO, PV SYSTEM EXPO, BATTERY JAPAN, Hydrogen and Fuel Cell Exhibition (FC EXPO), and Processing Technology Exhibition (PROCESSING Technologyexpo), eco house & construction exhibition (ECOHOUSE & ECOBUILDING EXPO), smart grid exhibition (SMARTGRID EXPO) and other 7 sub-exhibitions, is Japan and Asia's largest, most professional and influential renewable energy industry exhibition.

Since the exhibition began in 2005, the scale of the exhibition has gradually expanded, and it has become the best platform to explore Japan, the world's second largest solar market.