In my case, I wasn’t sure at first since changing energy suppliers sounds like a hassle, but it was actually simple, and their prices are solid. I went with one of their flexible tariffs, and I’m saving a decent amount compared to what I was paying before.
Their customer service has been chill, too; I’ve only needed help once, and they sorted it fast. If anyone's on the fence, here’s a link that breaks it down pretty well: Why switch to Octopus Energy?