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Octopus updated my import and export end dates today at my request so that they co-terminate next year.
They told me that the In House Display will catch up in the future to show the import and export separately.
I am happy with the situation
Update is nothing to report really, My faulty meter was swapped out and now needs to be commissioned. I won't be able to see import and export until this is completed in the next week or so
With so little sun is the last few days I have left the battery sitting with 5% in reserve and there is no sign of any "remote control" taking place.
I was on the 8p import & export tariffs a week after the powerwall install (I was already on octopus tariffs for both imports and exports so I assume that meant less work for them).
I lost access to the settings in the app about a week later, followed up by an email confirming that everything was now complete. The dominant behaviour is similar to what I was doing anyway - charging in the wee hours of the morning and discharging around 4pm-7pm but with some differences:
- it doesn't always charge to 100% overnight. It may be making some guesses around the solar it might expect (or maybe I'm giving it too much credit). it will generally top up either from grid or solar during the day (& before peak)
- it sometimes discharges a bit in the morning around 7.30-8am
- it will sometimes export during peak
Smart meter things the import rate is a bit over 10p (same as it did when I was on agile) - I get that prices changes every half hour might be a bit much for the IHD, but not sure why it can't cope with a flat 8p
It's about 1 powerwall's worth - yesterday was 14.8 out, 16.4 in. Some days are a bit less, eg 10.8 out, 12.4 in on saturday
It works out for me I think - my home has a heat pump so not that easy to keep consumption low in peak period (even with the powerwall - the heat pump will burst to >10kW when it's cold).
Thanks. That is quite an amount of energy transfer. I just wonder what effect it is having on long-term battery life.
Unless Tesla have modified their night time charging algorithm then it's based on what solar generation and household consumption during the previous few days with perhaps some seasonal average added to the mix. It regularly gets caught out when the weather changes from sunny to murky. Sensibly, Tesla would tap into one of the solar generation forecasting models although even those struggle with the UK's variable weather.- it doesn't always charge to 100% overnight. It may be making some guesses around the solar it might expect (or maybe I'm giving it too much credit). it will generally top up either from grid or solar during the day (& before peak)
- it sometimes discharges a bit in the morning around 7.30-8am
- it will sometimes export during peak