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Interesting article - flexible TOU tariffs, BESS and heat pumps

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(@allyfish)
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3142 kWhs
Joined: 2 years ago
Posts: 381
Topic starter  

Some good content here from the guys at the Energy Saving Trust who has published some private research: https://www.linkedin.com/pulse/combining-heat-pumps-smart-tariffs-solar-batteries-ben-whittle-zow7e/?utm_source=share&utm_medium=member_android&utm_campaign=share_via


   
Judith, heat-pump-newbie, Mars and 1 people reacted
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(@heat-pump-newbie)
Reputable Member Member
1446 kWhs
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Posts: 166
 

This is an excellent find ! I was on that EoH trial and I'm just trying to determine how much battery and pv to install. Thanks @allyfish 


   
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Toodles
(@toodles)
Noble Member Contributor
5565 kWhs
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Posts: 860
 

@heat-pump-newbie Trying to compare TOU and designated periods of lower cost consumption using Cosy tariff has always struck me as very difficult if battery storage is not available. Well done for doing all that work!

I have looked at the Octopus Compare app figures for the two tariffs and felt that the results are really ‘pears and apples’. With storage and allowing perhaps 10% for round trip losses, I think that Agile still is the winner for me. Without storage though - things could be very different; I suspect the comparisons (which might favour one tariff over the other one day, could be reversed the next) are made on the basis of using energy during the best TOU hours but for Cosy, they are based on mainly using the 6 prescribed hours. Bears of little brain such as the writer of this reply are incapable of spreadsheeting perhaps a year’s worth of figures and coming to any firm conclusion though.😳 Regards, Toodles.

Toodles, 76 years young and hoping to see 100 and make some ROI on my renewable energy investment!


   
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