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Last seen: Nov 12, 2026
Thanks for posting this, it's really useful, especially on the total cost of your system + installation costs. That's what always gets me - I know I'm...
They've all tooled up for 2030. Switching to a 2035 roadmap now, only for a potential Labour government to change it back to 2030 in 2 years would be ...
@allyfish Yeah, the Cosy tariff is particularly interesting with its two cheap periods: it means that I can charge the same battery twice a day, effec...
One thing to consider about buying a larger battery with the intention of charging cheaply overnight is how fast the battery is able to charge. If you...
My thinking was the same as yours - keep the battery on the DC side as there's one fewer AC/DC conversion loss. In my experience, the one-way loss i...
Selling electricity below wholesale cost at any given time is surely not economical in the long run, but I'd imagine that most people aren't as "savvy...
What have folks here made so far? My net electricity cost (i.e. import + standing charge - export) for my first month on Flux has been -£61.26 includi...
@noob Nope, I have a similar setup to you (full EV rather than PHEV is the main difference I think) and it's the same for me. Flux in summer and Go in...
Thanks! I'll be patient then and wait for my bill. Got a few things going to estimate it already, but it would be nice to know how accurate my calcs a...
I just signed up to Flux as the numbers made loads of sense for me (I'll be a net exporter for at least until September and have a battery too). Whe...
@Kev-M Understood - thanks for the clarification! Not pedantic at all and I'm always happy to be corrected 🙂 I do have a power trace and it does in...
I actually have some data on this from my own system: Hopefully you can see this rather ugly graph. What it shows is the flow and return temperatu...
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Latest Posts
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Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 6 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 8 hours ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 11 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 13 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 14 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 14 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 18 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 18 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 21 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 3 days ago
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Six books in three years and I think I’ve now covered j...
By Mars , 3 days ago
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