Battery Storage – conserving energy, saving money

Solar panels are becoming increasingly popular as an energy source. Whether you are looking for ways to save money on energy bills or reduce your carbon footprint, connecting solar panels to a battery can be beneficial.



A battery for a solar panel system is a device that stores excess energy generated by solar panels during the day and releases it when needed, such as at night or on cloudy days. This allows for greater energy independence, and can help reduce electricity bills.


The benefits of using a battery with solar panels

Using a battery with solar panels can offer several benefits, including:


  • Energy storage
  • Increased energy independence
  • Backup power
  • Reduced carbon footprint
  • Improved system efficiency
  • Increased flexibility


Overall, using a battery with solar panels can help you maximise the benefits of solar energy, and provide a more reliable and sustainable energy source for your home or business.

A battery to suit your needs

It is important that the battery you choose for your solar system is reliable and fit for purpose. A battery that is too small will not serve you. Ideally, a battery should be big enough to store energy to get your home through a 24-hour period. Usually a 9-10kw battery will suffice (depending on usage and other factors).


HSB Renewables supply and fit a range of dependable batteries, including:



  • GivEnergy
  • Solar Edge
  • Solax
  • Sunsynk


Speak to a member of the HSB team to find out more.



  • How can I determine the right battery size for my solar panel system?

    Determining the right battery size for your solar panel system depends on several factors, including your energy needs, the size of your solar panel system, and your location. Here are some steps you can take to determine the right battery size:


    1. Determine your daily energy usage: Start by calculating your daily energy usage in kilowatt-hours (kWh). This will give you an idea of how much energy you need to store in a battery to meet your needs.


    2. Determine the size of your solar panel system: The size of your solar panel system will also impact the size of the battery you need. A larger system will generate more energy, which will require a larger battery to store the excess energy.


    3. Consider your location and climate: The amount of sunlight your solar panels receive each day will vary depending on your location and climate. You'll need to factor this into your calculations to determine how much energy your solar panels can generate and how much energy you'll need to store in a battery.


    4. Choose a battery type: There are several types of batteries available, each with different storage capacities, lifespans, and costs. Choose a battery type that meets your needs and budget.


    5. Consult with a professional: It's always a good idea to consult with a professional to determine the right battery size for your specific situation. They can help you assess your energy needs, the size of your solar panel system, and other factors to choose a battery that will meet your needs.


    By taking these steps, you can determine the right battery size for your solar panel system and ensure that you have enough energy storage to meet your needs.


  • How long do solar panel batteries last?

    The lifespan of a solar panel battery depends on several factors, including the type of battery, the frequency of use, and the maintenance and care it receives. 

  • Can I install a battery for my existing solar panel system?

    Yes, it is possible to install a battery for an existing solar panel system. However, compatibility and installation issues can arise, so it's important to work with a qualified and experienced installer to ensure that the battery is installed safely and efficiently.

  • What are the cost savings of using a battery with my solar system?

    The amount you could save by using a battery with your solar system in the UK depends on several factors, including the size of your solar panel system, your energy usage, and the cost of electricity in your area. Here are some general estimates:


    • Electricity bill savings: By using a battery to store excess energy generated by your solar panels, you can reduce your reliance on grid electricity and potentially save money on your electricity bills. According to some estimates, a typical household in the UK could save around £200-£300 per year on electricity bills by using a battery with a solar panel system.


    • Feed-in tariff (FIT) savings: In the UK, homeowners with solar panel systems can earn money by exporting excess energy back to the grid through a Feed-in Tariff (FIT) scheme. By using a battery to store excess energy instead of exporting it, you may be able to earn more money through the FIT scheme. However, the FIT scheme is no longer open to new applicants.


    • Green energy incentives: The UK government offers several incentives for investing in green energy, including the Renewable Heat Incentive (RHI) and the Smart Export Guarantee (SEG). By using a battery with your solar panel system, you may be eligible for these incentives and potentially earn money or reduce your energy costs further.


    It's important to note that the cost of batteries for solar panel systems can be significant, and the savings may not offset the upfront cost immediately. However, over the lifespan of the battery, the savings can add up and make it a worthwhile investment. Consult with a qualified and experienced installer to determine the potential savings and return on investment for your specific situation.

  • How do I find a reliable supplier and installer for my battery?

    Finding a supplier and installer for your battery can be a straightforward process. Here are some steps you can take:


    1. Research local suppliers and installers: Start by researching local suppliers and installers that specialise in solar panel systems and batteries. You can search online or ask for recommendations from friends, family, or local business organisations.


    2. Check reviews and ratings: Once you've identified a few potential suppliers and installers, check their online reviews and ratings to see what other customers have to say about their services.


    3. Compare quotes and services: Reach out to each supplier and installer and request a quote for your specific battery and system needs. Make sure to compare not only the cost but also the services offered, such as warranties, maintenance, and customer support.


    4. Ask for references: Before making a final decision, ask each supplier and installer for references from previous customers. Contact these references to get a better sense of the provider's reliability, quality of work, and customer service.


    5. Choose a provider: Once you've evaluated your options, choose the provider that best meets your needs and budget. Make sure to read and understand the terms of the contract before signing.


    By following these steps, you can find a reliable and experienced supplier and installer for your battery and solar panel system, and ensure that your investment is well-protected and performs as expected.

How do I choose the right battery for my solar panel system?

Choosing the right battery for your solar panel system depends on several factors, including your energy needs, the size of your solar panel system, your location, and your budget. It's important to consider the advantages and disadvantages of each type of battery and to consult with a professional to determine the best fit for your specific situation.

How much do solar batteries cost?

The cost of batteries for solar panel systems can vary widely depending on several factors, including the type of battery, the capacity, and the brand. Usually, a battery for your existing system will cost between £4,500-7,000, depending on requirements. A full solar system including battery, will cost between £5,500-12,000.


Contact a member of the HSB team to arrange a survey, and a no-obligation quote.




"We cannot recommend these guys enough. Decent priced quote for our solar and battery system, installed ahead of schedule and the quality of the workmanship is excellent."

SHANE CANNING


Share by: