Does 0% VAT apply to residential battery storage systems?

This exemption now applies to all residential battery storage systems, whether they are installed as new, retrofitted, or in conjunction with a solar panel system. Previously, the 0% VAT benefit was only available to domestic solar batteries when installed alongside a new solar panel system.

How much does battery storage cost?

The lifetime cost of small scale battery storage is now around 13p per kWh . This is the cost ‘per cycle’ of charging and discharging 1 kWh (excluding the cost of the electricity used to charge the battery). In the residential arena, battery storage is starting to make sense in two applications:

How many kWh can a home battery storage system hold?

The typical home battery storage system size is around 4kWh, although capacities up to up to 16kWh are available. There are also other ‘stackable’ or bespoke systems if more capacity is required.

What is a battery energy storage system?

Storage batteries, or battery energy storage systems (BESS), can store electricity from a variety of sources, including the grid or renewable sources like wind or hydroelectric power. Their primary role is to hold electricity for later use, but it doesn’t actually matter where this electricity comes from. How does it work?

Does a battery storage system reduce electricity bills?

Assuming a standard 28.1p/kWh electricity tariff, for this situation, the battery storage system would reduce the electricity bills by about £267 a year. This figure is based on simulation results and cannot be used as evidence for the actual economic benefits of a battery storage system.

How do you charge a home battery?

You can charge a home battery using the electricity you buy from the grid. If you have a time-of-use electricity tariff, you can save money by charging your battery when electricity is cheaper. Then, use the power from the battery in your home, so you’re not buying from the grid at pricy peak times.