Store Your Power, Control Your Bills with Battery Storage
Maximise your solar investment, slash your energy bills by storing cheap off-peak power, and keep the lights on during an outage. Get your free, no-obligation storage blueprint today.
Why Invest in Battery Storage?
A solar battery is the key to unlocking true energy independence, allowing you to use your own clean energy day and night.
Slash Bills with Off-Peak Tariffs
Charge your battery with cheap, off-peak electricity overnight and use it during expensive peak hours for guaranteed savings.
Gain Energy Security
Add a gateway to keep your essential appliances running during power cuts to ensure your battery can provide a seamless backup power source when the grid goes down.
Future-Proof Your Home
A battery system makes your home more energy-efficient, increases its value, and prepares you for the future of dynamic energy tariffs.

Maximise Solar Self-Consumption
Store the excess solar energy you generate during the day and use it at night, dramatically reducing what you need to buy back from the grid.
Our Simple 3-Step Process
From initial consultation to full installation, we make upgrading to battery storage straightforward and hassle-free.
1. Free Storage Blueprint
Answer a few simple questions to receive your free, data-driven plan for battery storage savings.

2. Site Survey & Design
Our experts conduct a technical survey to finalise your system design for optimal performance.
3. Professional Installation
Our certified in-house team installs your system, typically in a single day, with minimal disruption.
Hear from Viking Clan Members Already Vanquishing Their Energy Bills





Excellent based on 85 reviews.





Sep 25, 2025
First Class Service
"We are absolutely delighted with the advice and installation of our PV system. Having access to the app to see the power we are generating and returning to the grid is addictive! We highly recommend this team."
SM





Aug 14, 2025
Exemplary Communication
"The standard and level of communication was exemplary from the outset. This gave us the reassurance and confidence to proceed. On the day, the team worked collaboratively and the care they took was obvious."
Paula





Jul 6, 2025
My supplier paid me £20!
"Last month, my electricity bill was £64, I exported £84 meaning my electricity supplier paid me £20 with no electricity bill. This included charging my car. I am over the moon. Thank you Viking!"
Anne





Jun 24, 2025
Solar done right!!
"Excellent service from start to finish. Initial consultation was very knowledgeable. Installation was a breeze. Final support in setting up my SEG tariff was also flawless. Highly recommend this company. No pushy sales."
Martin Mason





Apr 6, 2025
Very happy with my new solar panels
"Very happy with my new solar panels & battery. Great service, any issues dealt with quickly and effectively. Would highly recommend the team."
Debbie Ford





Feb 21, 2025
Superb service and delivery
"When I first read the reviews, I couldn't believe a company could be so good. Viking have been amazing from the very start. Feeling so grateful to have chosen them to do the job. Thank you Viking!"
Izzy Valenti
Ready to Talk to an Expert?
Our friendly, knowledgeable team is ready to answer your questions with no pressure or hard sell.
03335 776 463The Valhalla Guarantee: Total Peace of Mind
We believe a guarantee should be simple, powerful, and transparent. We've combined industry-leading insurance with our own service promises into a single shield that protects you at every stage of your journey. Here's what our guarantee includes:
1. DEPOSIT & INSTALLATION GUARANTEE
Your deposit is fully protected and our workmanship is guaranteed for a decade. This promise is backed by independent insurance, securing your investment against the biggest risks in the industry.
2. A PROMISE, NOT A PROJECTION.
We guarantee your system's official MCS production estimate for the first year. If it underperforms, we pay you the difference. No fine print, no excuses.
3. VOUCHED FOR BY OUR CLAN
A guarantee is only as strong as the company that makes it. We're proud of our stellar reputation, reflected in public reviews and our strong partnerships with the UK's leading energy and technology brands.
Your Questions, Answered
System costs vary based on size and brand, but typically range from £4,000-£9,000. We design systems tailored to your specific energy needs and budget.
Our modern lithium-ion batteries are designed for longevity, typically lasting 10-15 years with a manufacturer's warranty of at least 10 years.
Absolutely. We can retrofit a battery storage system to most existing solar PV installations. This is one of the most popular upgrades for solar owners.
The ideal size depends on your electricity consumption, solar panel system size, and what you want to achieve. We'll calculate the perfect size for you in your free storage blueprint.
Can't find the answer you're looking for?
Ready for Your Free Battery Storage Blueprint?
Answer a few questions to get a detailed, data-driven forecast for your home, showing your potential savings and the ideal battery setup—all with zero obligation.
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