Costs, savings, lifespan and installation for homes and commercial sites, written by the team that designs and installs battery storage. Search or browse below.
Yes. A battery works fine on its own. It charges from the grid overnight on a cheap smart tariff, often from around 7p per kWh, then runs yo…
Yes, when supplied and fitted by an installer. Home battery installations qualify for 0% VAT in England, Scotland and Wales until 31 March 2…
A home battery in the UK comes with a 10 year warranty as standard. Modern lithium iron phosphate batteries are built for around 6,000 charg…
For most homes with solar panels or a cheap overnight tariff, a home battery is worth it. It stores cheap electricity and runs your house on…
Most UK homes need a battery between 5kWh and 13kWh. The right size matches the electricity you use in the evening and overnight, which is w…
Yes. Most existing UK solar systems can take a battery, including older ones fitted years ago. In most cases we add a separate battery inver…
For most homes in England, no. A domestic battery is generally treated as permitted development, so you do not need a separate planning appl…
A full 10kWh battery gives you around 9kWh of usable power once inverter losses are counted. For a typical UK home using 8 to 10kWh a day, t…
Yes, in most cases. Commercial battery storage normally counts as plant and machinery, so a UK business can claim capital allowances on it.…
Commercial battery storage in the UK is usually costed per kWh of storage, and the price per kWh falls as the system gets bigger. Current UK…
In most cases, yes. Commercial battery storage that connects to the grid almost always needs a G99 application, approved by your network ope…
Peak shaving is using a battery to avoid buying grid power during the most expensive half hours of the day. The battery charges when power i…
Yes, but not automatically. A standard commercial battery installed for cost savings shuts down in a power cut. To provide backup, the syste…
Think of a battery like a water butt for electricity. It fills up when power is cheap or free, from your solar panels or from low night rate…
Yes. A modern battery installed to standard is very safe. Home and business batteries now use lithium iron phosphate cells, a stable chemist…
Yes. A home battery can charge overnight on an off peak tariff and run your house through the day on that cheap power, with no solar panels…
Battery storage has real drawbacks. The upfront cost runs into thousands. Around 10 to 15 percent of stored energy is lost in the round trip…
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