Japan Osaka rooftop solar power generation system

In order to promote the widespread use of renewable energy and realize a carbon-neutral society, on April 1, 2022, Osaka Gas Co., Ltd. (President: Masataka Fujiwara, hereinafter "Osaka Gas") will launch “Sumai Roof,” a service that allows customers living in existing and new detached houses in the service area of Osaka Gas to install a solar power generation system without any initial cost, and "Sumai Roof Plus," which includes the lease of a storage battery system as an optional service. [pdf]