Electric vehicle charging company Chargepoint has added funding from Exelon's corporate venturing unit to take its total funding to $114m since 2007.

US-based electric vehicle (EV) charging station operator Chargepoint has raised an undisclosed amount of new series E funding from Constellation Technology Ventures that increased its overall funding to $114m, Silicon Valley Business Journal reported on Wednesday.

Although the amount was not specified, Chargepoint raised $22.5m in May from investors including automotive manufacturer BMW and industrial equipment producer Siemens in May, bringing its total funding to $110m, indicating that Constellation, the corporate venturing subsidiary of energy company Exelon, invested approximately $4m.