Having a battery at home to store excess electricity produced by your solar panels is a great way to minimise your energy costs. Although not necessary for your solar panels to function, installing a home battery storage system can help you make the most of the energy they produce.
In the daylight hours, solar panels will produce electricity, which you can use instead of purchasing from your energy provider. However, solar panels aren't functional at night, which is when people normally consume the most energy.
Typically, at night you will revert back to using energy from the national grid if you don't have a battery, which will cost you money.
Instead, if you install a storage system, any surplus electricity that has been produced during the day is stored in your battery and can be used at night. As a result, you use less electricity from the grid, reducing your energy bills
Our batteries offer a 10-year warranty, range from 5 kW and higher, and are compatible with all grid-connected solar panels.
Optimise the low-carbon energy you're producing from the sun via your solar panels by adding a home battery storage system, and lower your electricity costs even more.
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Electricity arbitrage is the practice of buying electricity from the National Grid while it is cheap and then selling it back when it is expensive. This offers a source of revenue from having a home battery storage system, especially where there is a large variation in electricity cost across the typical day. According to our calculations, this practice could save the average UK household in excess of £700 per year on their electricity bills.
To benefit from this, you will need to choose the optimal electricity provider and the optimal tariffs, at the right times of the day. Talk to our experts who can advise and help find the best provider and tariffs for your property.
The quantity of electricity that a battery can store is measured in kWh (units) as capacity. Batteries shouldn't ever be entirely discharged, therefore the 'total' capacity of a battery is not the critical measurement, rather you need to know the "useable capacity"
One full discharge and one full charge make up a cycle, but some batteries will only discharge and recharge 25%. So check the warranty on your battery, as this will be for a certain amount of kWh (electricity units) it will produce during the course of its warranty
Some batteries also supply backup power in case of a power cut. For backup systems, ask our experts for advice on circuit management to prevent damage to your battery or appliances. If you want some power in reserve, you may need to think about getting a bigger useable capacity
A large battery can power the home in the evening and charge your EV while you sleep. It may also offer you the option to charge at low rates and sell back to the grid at peak rates. Larger batteries provide higher output and won't be harmed by increased demand
Your ability to lower your bills and benefit from "Time of Use" rates, increases with the number of kWh you have. A larger capacity will enable more storage of electricity charged at low cost so more can be sold back to the grid at times of higher cost. More can be sold if there is more storage
Ensure your battery will deliver the electricity output you need in your home, for example boiling a kettle requires 2000 watts, so output needs to be able to cope with demand. It's crucial to examine the power output before making a battery purchase
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