Battery storage specialist Moixa has successfully raised $3.25m in new funding, as the startup hopes to prove the value of virtual power plants (VPPs) to smart-grid focused utilities. Moixa has been adding new features to its GridShare software platform, ahead of the new round, which saw investments from the Japanese utility TEPCO, and the Greater Manchester Combined Authority. The cash-injection comes after several new project announcements, in a productive 12-months for the company. The investment will in part go towards opening a regional sales and delivery center in the city of Manchester, which Moixa expects to eventually staff with 60 new employees. The fund raise is all part of Moixa’s broader aim to grow the number of home batteries it…