Electric barbecue grills are easy to operate – just plug in to any standard 110-volt grounded outlet, turn the thermostat knob, and cook. Enjoy great barbecue taste for only cents per month to operate.The Lock & Go portable electric grills cost $70 plus tax. The Combination Electric Grill and Water Smoker costs $100 plus tax. The Deluxe Cart electric grill costs $185 plus tax. They come unassembled in a box so they can be easily transported.