Tohoku Electric Power in Japan is utilizing Sharp's residential batteries and AI-powered energy management systems to balance grid demand and optimize household solar energy use. Customers can earn points redeemable for local products through the program, which learns household lifestyle patterns and solar power generation status to efficiently consume generated electricity and reduce electricity bills. The upgraded AI-based system by Sharp links residential solar power systems, storage batteries, home appliances, and electric vehicles for effective use of PV-generated electricity, allowing for remote control of batteries to adjust the balance of power supply and demand.