A standard 20-lb propane tank — the same size sold at every gas station — holds roughly 430,000 BTUs, and it's also the maximum size allowed in most NFL and college stadium lots. Run a mid-size portable grill at around 13,000 BTU/hr and that tank theoretically lasts over 30 hours, so fuel almost never runs out first — power does. A 1,000Wh-class portable power station (roughly $400–450) covers phones, speakers, and a small TV for a full game day, but a single 1,500W electric griddle or induction burner will drain that same battery in under an hour flat. The real planning problem isn't the grill. It's everything you plug in around it. The Saturday I fried my own power station I'd finally leveled up my tailgate a few years back — got a nice cast-iron griddle setup, a little portable power station I was proud of, a speaker, a phone charger for four people who all somehow forgot to charge overnight. Felt organized. Felt like I had my act together for once. Twenty minutes ...