Yeah sounds like it, Octopus is (I think) 7p for 6 overnight hours (plus some random daytime ones).
They also have a tracker tariff which I've been on since 1 July for elect (Jan for gas). The price changes daily. the most expensive day was last week, somewhere around 22p. The cheapest was a bit over a week ago, at 11pi-sh. I guess it's been around 16 - 18p most of the time. I believe it varies mainly depending on the anticipated renewables generation, and demand.
Before changing my average was about 17p per kWh. It's a bit less at the moment but not hugely, though it is nice to not have to load shift other stuff into the cheap periods. If I were charging the car more frequently then it would probably not be the most economical tariff.
But the alternative tariff would be (I think) 27p daytime and 7p overnight. Anyway, halfway into my 6th and last week in Portugal (till March) I'm quids in this month :-)
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