Our Battery Storage Solutions
Quick Battery Facts
Our Complete Range of Battery Storage Solutions
At Sun Sparks, we install high-performance home battery storage systems across Cornwall. Whether you already have solar panels or simply want to take advantage of off-peak tariffs, our battery solutions are designed to work for you.
Battery storage isn’t just for homes with solar panels they’re a smart, flexible solution that lets you store cheaper off-peak electricity from the grid and use it when energy prices are higher—helping you lower your bills and reduce your carbon footprint. With backup power during outages, greater energy independence, and the ability to take advantage of smart tariffs, battery storage puts you in control
We supply and fit trusted brands like Tesla Powerwall, SolarEdge, and Fox ESS, ensuring your system is tailored to your energy needs and lifestyle.
Contact Us Today for a Free Battery Storage Quote & Assesment
Request Free QuoteExamples of Our Bespoke Battery Storage Solutions
Sun Sparks fits battery storage solutions based on the specific energy demands and storage needs of each of our customers. We tailor each domestic battery installation to your property. Below are examples of some of the features included in our battery storage setups.
High-Efficiency Battery (5–13.5kWh Capacity)
We use industry-trusted battery brands such as Tesla Powerwall 3 – Sleek, reliable, 13.5kWh capacity, backup-ready and Fox ESS – Affordable, efficient, and easily scalable. You can view more information about the cutting-edge suppliers we use at our Technology Showroom
App Connectivity for Energy Tracking
Solar battery monitoring apps provide real-time insights into your solar energy system's performance, including battery status, energy production, and consumption patterns. These apps help homeowners optimize energy usage, identify potential issues, and maximize the benefits of their solar investment
Combined Battery & Solar Panel Setup
If you're already investing in a battery system, it’s the perfect time to add solar panels too. Installing both at once is more cost-effective in the long run and ensures everything is designed to perform seamlessly as one smart solution. Find Out More About Our Complete Solar PV Packages here.
How Our Cornwall Home Battery Installation Works
Getting started planning your perfect battery storage solution is easy. Get in touch to discuss your battery options and arrange your free home survey, no obligation or deposits, just honest friendly advice.
Book Your Callback & Free Quote Today
We'd love to help you plan your Solar project. Book your callback and free quote and we'll be in touch to help you get started.
Book a CallbackFAQS Battery & Storage Basics
What does a home battery do?
A battery stores the extra electricity your solar panels generate during the day, so you can use it later – like in the evening when the sun’s gone down or during peak energy times. It’s all about making the most of your solar power instead of sending it all back to the grid.
Will I still get power during a blackout?
If your battery system includes backup capability (like Tesla Powerwall or GivEnergy’s All-in-One with backup), then yes – it can keep essential circuits running during a power cut. We’ll talk you through what’s possible based on your setup and needs.
How much can I save with a battery?
It depends on how much energy you use and when. Many customers save hundreds of pounds a year by using stored solar energy at night, avoiding peak electricity prices, or charging their battery with cheap off-peak energy tariffs. We can help crunch the numbers for your home or business.
Can I add a battery to an existing solar PV system?
Absolutely. We install battery systems alongside new solar arrays or as add-ons to existing setups. We’ll just check compatibility and advise on the best fit.
What size battery do I need?
We’ll advise based on your energy use and goals.
Does my solar PV system work during a power cut?
Standard grid-tied systems shut down in a power cut for safety. However, backup solutions like a Tesla Powerwall with a gateway allow your solar and battery to continue powering your home during outages.
Do you install Tesla Powerwalls?
Yes—we’re certified installers of the Tesla Powerwall 3 and expansion packs. These units store up to 13.5kWh and provide reliable backup when paired with your solar system.
Can you install a Tesla Powerwall without solar panels?
Yes. Powerwalls can be charged from the grid and used for backup or time-of-use energy savings, even without solar panels.