Tesla Powerwall home battery installations coming to Japan next spring

Filed under:Green,TeslaTesla Incwill start installing its Powerwall home power storage batteries in Japan next spring, the U.S. electric car and battery maker said on Tuesday, marking the product's debut in Asia.The 13.5 kilowatt-hour (kWh) Powerwall can store power generated by solar panels and costs 990,000 yen ($9,135), including the Backup Gateway system which manages the grid connection, but excluding installation costs and retail tax.It will be sold directly online by Tesla or via certain