Is it greener if I boost my heat pump during off-peak periods? - And save me money as well?

In my last video I asked the question "would it save you money by boosting your heat pump during cheap overnight periods?" when using tariffs like Octopus Go or Intelligent Octopus Go. Well, I've added a few more features to the model I showed in that video so that I can now ask the question "is it greener as well?". I've also added a much better way to calculate the benefit of having a home storage battery.

Grab a copy of the G-sheets spreadsheets here (once open go to "File: Take a copy" and save to your own Google Drive):

Octopus Go:
https://docs.google.com/spreadsheets/d/1MnRwvQLyprgvHIUx5T0laq9zgQWun-CxyWfD7A0ArE8/edit?usp=drive_link

Intelligent Octopus Go:
https://docs.google.com/spreadsheets/d/1BzDHdwxEvcjBP_s0IrlalXzZ92-AiyAdUnp2-OtZSMo/edit?usp=drive_link

Cosy Octopus:
https://docs.google.com/spreadsheets/d/1DGmC2uvOf_Kbx19mRa8EyVksVqdr_UYZmdwOZ105HaE/edit?usp=drive_link

Source of the UK National Grid carbon intensity:
https://data.nationalgrideso.com/carbon-intensity1/historic-generation-mix

Our home system summary:
6.8 kWp solar array split E/W
5 kW Gen 2 GivEnergy hybrid inverter
14.7 kWh GivEnergy batteries
A2A heat pump heating/cooling system
Myenergi eddi hot water diverter
Fiat 500e EV

00:00 Introduction
01:34 The results
11:50 What's been added to the model?
16:34 The new spreadsheet(s)
24:47 Summary and closing thoughts

Please note that Tim is not a professional consultant, just an enthusiastic amateur, so cannot reply to requests for advice or opinions on specific systems or green investment opportunities. Thank you for your understanding.

Support the channel and get £50 of credit by switching to Octopus Energy using my referral code:
https://share.octopus.energy/cute-quail-190

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https://www.buymeacoffee.com/timandkat

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