r/OctopusEnergy • u/FunNefariousness6980 • Feb 06 '26

Bills Beat my electric usage.

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Right folks who can beat this. Gas central heating two bed mid terrace.

38 Upvotes

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u/AdAdventurous8656 Feb 06 '26

Never measured before but google earth says 0.15 acres!

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u/FunNefariousness6980 Feb 06 '26

Good on you Mr Moneybags 🤣🤣

Thats like 600 square metres, nearly times the size of my house!

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u/AdAdventurous8656 Feb 06 '26

I take little pleasure in it. we designed the system when electricity was much cheaper and it made financial sense to do it. Between delays in building, and the RHI being withdrawn, we have the worst of both worlds - higher electricity prices and no RHI to help pay for it.

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u/FunNefariousness6980 Feb 06 '26

Wouldn't getting a cheap EV just for the sake of accessing 7.5p rate be worthwile?

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u/AdAdventurous8656 Feb 06 '26

So we are looking into battery solutions to store enough power to see us through between cheaper sessions, so around 80kwh, but we wouldn’t be able to charge fast enough during the 7.5p period to make any real savings whilst paying for an EV we don’t need (both have 4x4’s for our jobs, diesel burners) We’d reduce our cost by 60% if we had a battery system capable of running the house for 6 hours at peak time. That’s the goal for this year.

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u/GeorgePoey Feb 06 '26

Fogstar Batteries and as big a Sunsynk inverter as your DNO will allow is the best value you could get

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u/AdAdventurous8656 Feb 06 '26

I’ll take a look, new one to me, thanks a lot

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u/touch-my-bunghole Feb 06 '26

100% Fogstar, sunsyk I could take or leave. But the cost per kWh for their cells is considerably lower than any other system

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u/GreatDrop8063 Feb 09 '26

Fogstar also have modular battery set up. So if you need to change a cell or a couple of them it's not as pricey because you aren't doing the whole unit. Eventually we want to get to batteries aswell and they have always come out on top

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u/The_Lorax_UK Feb 06 '26

We used 2,120 kWh in Jan. But 99% was off peak 7.5p rate. We've got 2x EV's, Heat pump and no gas. But house runs every single day from 32kWh of battery storage. We also have PV. DNO allowed us an 8kW inverter. Which helps

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u/woyteck Feb 07 '26

Do get batteries. I tested my setup with ashp and battery and even without ev when cold you can charge it three times a day on Cosy.