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How much am I ‘saving’?

 
Electricity, Tariffs, Monitoring & Providers
Last Post by Toodles 2 minutes ago
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Toodles
 Toodles
(@toodles)
Illustrious Member Contributor
Joined: 3 years ago
Posts: 2031
Topic starter 10/08/2025 6:57 pm  

Visitors when noticing our ground mount solar array often ask about the production and ‘how much do they save you?

I try to answer truthfully and as concisely as possible - but I feel that any reply needs far more qualifying than they or I have time for!

Because I have panels, battery storage and run an ASHP in winter, I take advantage of TOU tariffs and this surely ‘distorts’ how much I ‘save’. Exporting provides 15 pence per kWh, but I don’t export everything but use some for the house needs. If I import energy, I usually manage to only do so during the cheapest hours (~13 pence per kWh), at other times I might pay well over 20 pence per kWh. If I use solar power only, how much am I paying for it per kWh - how much am I NOT paying for it???

Were I not on a TOU tariff, the rates might be very different again - so what are my savings (if any*) for the energy I use and export?

* I haven’t even started to consider the initial outlay for all the equipment installed in my system!

Inquisitive Toodles. 

Toodles, he heats his home with cold draughts and cooks his food with magnets.


   
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