> As a sanity check, Googling on drone electricity costs has other people saying pennies per delivery. This makes sense, even assuming half an hour in the air

> As a sanity check, Googling on drone electricity costs has other people saying pennies per delivery. This makes sense, even assuming half an hour in the air for each delivery, the cost of residential electricity in the UK would mean ~5p of electricity for a 1KW drone making a delivery.