A useful exercise in logic ?

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  • silverwhistle
    silverwhistle Posts: 3,791 Forumite
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    edited 11 December 2018 at 11:56PM
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    Can I ask for a few more variables:
    - having such low purchased fuel that I'm on a zero standing charge tariff but excruciating unit rates
    - whether my GF moves in (extra DHW and she does tend to overfill the kettle for tea :D)
    - whether I finally get a second hand EV. Can I also ask for various mileage scenarios?

    Gawd, it's complicated, and I was never good at Excel..

    All joking aside it does show that it's a very individual decision.
  • Coastalwatch
    Coastalwatch Posts: 3,140 Forumite
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    Oh, while your at it Zeup, could it please sort Brexit for us as well!:D
    East coast, lat 51.97. 8.26kw SSE, 23° pitch + 0.59kw WSW vertical. Nissan Leaf plus Zappi charger and 2 x ASHP's. Givenergy 8.2 & 9.5 kWh batts, 2 x 3 kW ac inverters. Indra V2H . CoCharger Host, Interest in Ripple Energy & Abundance.
  • zeupater
    zeupater Posts: 5,355 Forumite
    First Anniversary Name Dropper First Post Combo Breaker
    edited 12 December 2018 at 3:42PM
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    silverwhistle wrote: »
    Can I ask for a few more variables:
    - having such low purchased fuel that I'm on a zero standing charge tariff but excruciating unit rates
    - whether my GF moves in (extra DHW and she does tend to overfill the kettle for tea :D)
    - whether I finally get a second hand EV. Can I also ask for various mileage scenarios?

    Gawd, it's complicated, and I was never good at Excel..

    All joking aside it does show that it's a very individual decision.
    Hi

    So many variables ... good job the model was developed with these in mind .... :D:cool:

    Based on the standard household usage model having a simplified adjustment to reflect low consumption ~1200kWh of imports with a 4kWp system + 3680W inverter with something similar to a PW2 battery system ...

    Using typical daytime tariff with standing charge
    Std - £370
    +PV - £275
    +Batt - £135

    Then with E7
    E7+Batt - £160
    E7+Batt+AI - £135

    Closely followed by using available no standing charge 12mth fixed rate.
    Std - £375 (So similar!)
    +PV - £242
    +Batt - £52


    Note : All no proportional diversion & no EV .... ;)




    HTH
    Z
    "We are what we repeatedly do, excellence then is not an act, but a habit. " ...... Aristotle
    B)
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