Summer's coming, the air conditioner is about to start earning its keep, and the next power bill will tell you whether your plan is any good. The quickest way to find out before that bill lands is Energy Made Easy, the federal government's free comparison site. It's run by the Australian Energy Regulator, and it calls itself a free, independent government service.

Photo: Christopher Corneschi / Wikimedia Commons (CC BY-SA 3.0), cropped