timmmay:
I've just come off a Time Of Use based plan back to flat rate. I much, much prefer it, and so does my wife, so we don't have to consider the time when we use power. I would be hesitant to go back onto one of the TOU plans.
I do think some of the time of use plans are just pure marketing for the majority of people. For me, as I drive a long range EV and do a whole lot of driving charging overnight is both where I save the most money, and also emit the least carbon.
I do like how Ecotricity is now carbon positive and to me it is important with how climate change is really showing it's ugly side. I know it is the same mix of power but more it is the fact the company does their part.
I'm personally with Octopus and like them. They've recently been working out a solution to move hot water heating to off-peak using smart meters and are the first provider I've seen to do this: https://octopusenergy.nz/blog/hacking-hot-water-to-save-money - this is one feature I am really looking forward to.