Electric Vehicle Charging at UMaine The Office of Sustainability works with Parking and Transportation Services to support electric vehicle charging on campus.UMaine currently has 28 level-1 (120 Volt, 15 Amp) faculty/staff EV charging spaces that require users to purchase an EV parking permit from the Parking Office, five level-2 (240 Volt, 30-40 Amp) public pay-to-charge EV charging