UK homeowner explores battery storage to shift heating costs from gas to off-peak electricity
By Eve
A British homeowner planning to install a Fogstar home battery and 6 kilowatt inverter asked whether overnight charging on Intelligent Octopus Go could cut gas heating bills, with one commenter noting EDF's EV night tariff at 6.6 pence per kilowatt hour appears roughly 25 per cent cheaper than gas per kilowatt hour. The discussion in Reddit's r/SolarUK community saw multiple replies recommend air to air heat pumps over resistance heaters to maximise efficiency from stored off-peak power.
Why it matters
The exchange highlights growing consumer interest in pairing home batteries with time of use tariffs to displace fossil heating, a trend that could shape demand for residential storage and heat pump installations. For installers and energy retailers, it underscores the need to educate customers on heat pump economics alongside battery systems to unlock deeper bill savings.
Source
- Original title
- “In the UK, homeowner sees overnight power beat gas and asks if a home battery can heat a house”
- Published
- 20 October 2026
In this story
- Topic
- Grid & Energy
- Place
- United Kingdom
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