I am getting emails to “Fix” my tariff before the new price cap comes in, and I can see this makes sense if you don’t have a full solar system.
I have solar and batteries so as it’s getting sunnier I am using less mains and exporting more.
So my assumption is that if my “Import/Mains” prices increases then so should my “Export/Generation”, and I think this would this mean I actually make more money.
I am on the Octupus Flux and the moment - just not sure if or what tariff is best.
What are you doing ?
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There are so many variables, depends on your consumption and generation principally.
If you fix your tariff for import you will have to move onto the 15p fixed outgoing rate, which is actually better than the Flux export rate during the day, but worse than the Flux peak export rate. So whether this is better or worse for you will depend on how much you export in the peak.
Flux used to be a good tariff but in my view its not as competitive as others, e.g. Eon drive which pays 16.5p for export and a cheap overnight import rate. Alternatively if you have an EV, get Go or Octopus Intelligent Go if you can
I moved from Flux to Octopus Agile in October 2023, stayed on Agile all through 2024 and then moved to Cosy about a month ago as the Agile rates were consistently higher than Cosy. I will probably go back to Agile when the rates drop, hopefully when we come out of winter
Unfortunately the suppliers have not moved outgoing rates as import rates go up. When Octopus launched the 15p fixed export a couple of years ago it was market leading, not so any more.
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Hi yah, I did the same as @geoffrey Geoffrey first year on Flux, then moved to Agile with fixed export. This has been very good with the fixed export of 15p. I still have £354 left in credit as of 1st March 25. 
I also moved when Agile got a bit pricy to Go. I am now keeping an eye on Tariffs come April. I have a different aspect on energy, I don’t really mind how much it costs, but I try to make it zero cost to me for the whole year. E.g I was about £650 in credit for winter and still have some left (I go from April to April)
Hope it works out for you in the future, good luck. 
Guys,
This is great input - I use quiet a lot of power for a house of my size so I end up not exporting a large amount as most of it’s used, so having a few hours of peak export works well for me currently.
And also like you both - making money would be a nice additional benefit, but my goal is over the year that it ends up being ZERO for electric and if the export could then cover my gas costs ( I normally use 0 gas from May till Sept ) then I will be happy.
The thing that annoys me the most is the standing charges… basically £1 a day for the privilege of maybe using Gas/Electic, So I think I will wait to see if a tariff without a standing charge appears and see if that works out better.
So standard FLUX for me for now 
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I managed to achieve a net electricity consumption bill of £10 for 2024 (import-export). I have no gas, in fact there’s none in our village, and the previous oil boiler has been replaced by an ASHP.
Quite happy with that bill. Export loads in the summer, build up an account credit which sees me through the winter.
January this year was comparatively expensive on Agile and my account balance is now £106, so we’ll see what happens this year.
Personally for me Flux doesn’t work any more because the day-rate is worse than the alternative export rates, and whilst the peak export rate is good, I don’t really have enough battery storage (13kW) to make a meaningful peak rate export and still run the house on batteries through to the next solar day.
And thats the thing, there is no single tariff best for everyone
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