UK homeowner questions home battery after proposed payments come to twice their monthly electricity bill
By Eve
A UK homeowner was quoted £6,000 for a 15.3 kWh Sunsynk battery including installation, with payments of roughly £110 a month against an electricity bill of about £55 a month. The household has a 1.75 kW solar array, spends about £124 a month on gas and electricity combined, and could finance the purchase at 0% interest through a government loan scheme. The case comes from a post on Reddit's r/SolarUK community, reported by The Cool Down, in which the owner cited overnight tariffs of about 16p per kWh from E.ON and asked whether the savings could justify the cost.
Why it matters
Residential storage economics are being tested by buyers on price and payback, even with 0% finance on offer, which signals how hard the savings case is for small households with modest solar. Installers and CPOs weighing home energy or bundled offers should expect customers to compare payments directly with their current bills.
Source
- Original title
- “UK homeowner's battery payments would cost twice the electricity bill they hope to shrink”
- Published
- 4 November 2026
- Updated
- 5 November 2026
In this story
- Topic
- Grid & Energy
- Place
- United Kingdom
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