
Home Battery Storage & Tesla Powerwall Installation
From consultation to installation, our expert team delivers battery storage solutions that maximise your solar investment and provide energy independence for your home.
Why Choose TN Renewables for Battery Storage?
MCS certified specialists delivering energy storage solutions across Derbyshire & South Yorkshire
MCS Certified & Tesla Approved
Fully qualified Tesla Powerwall installers with MCS certification ensuring your system meets all industry standards and warranty requirements.
500+ Satisfied Customers
Over 4 years of experience installing battery systems with 5-star Google reviews and a proven track record of successful projects.
Complete Energy Solutions
We integrate battery storage with existing solar panels or provide complete solar-plus-storage systems for maximum energy independence.
Professional Installation
Expert installation with minimal disruption, full system commissioning, and comprehensive handover to ensure optimal performance.

Understanding Home Battery Storage Systems
Battery storage systems capture and store excess energy from your solar panels or cheap off-peak electricity, allowing you to use this stored power when electricity rates are highest or during power cuts.
How It Works
Energy Storage
Your battery charges from solar panels during the day or from the grid during off-peak hours when electricity is cheapest.
Smart Energy Management
Advanced inverter technology automatically manages when to store energy, when to use stored power, and when to export to the grid.
Backup Power Protection
During power cuts, your battery seamlessly provides backup power to essential appliances, keeping your home running.
Bill Reduction
Use stored energy during peak rate periods instead of expensive grid electricity, reducing your bills by up to 70%.

The Benefits of Home Battery Storage
Transform how you use and pay for electricity with a professionally installed battery storage system that delivers financial savings and energy security.
Your Battery Storage Installation Journey
From initial consultation to final commissioning, we manage every step of your battery storage installation with minimal disruption and maximum professionalism.
Free Consultation & Survey
We assess your energy usage, existing solar system, and electrical setup to recommend the perfect battery storage solution.
Custom System Design
Receive a detailed proposal with system specifications, projected savings, and transparent pricing with no hidden costs.
Planning & Permissions
We handle all DNO applications and necessary permissions, ensuring your installation meets all regulatory requirements.
Professional Installation
Our certified engineers install your battery system with minimal disruption, typically completed within 1-2 days.
System Commissioning
Complete system testing, app setup, and handover training so you can monitor and optimise your energy storage.
Free Consultation & Survey
We assess your energy usage, existing solar system, and electrical setup to recommend the perfect battery storage solution.
Custom System Design
Receive a detailed proposal with system specifications, projected savings, and transparent pricing with no hidden costs.
Planning & Permissions
We handle all DNO applications and necessary permissions, ensuring your installation meets all regulatory requirements.
Professional Installation
Our certified engineers install your battery system with minimal disruption, typically completed within 1-2 days.
System Commissioning
Complete system testing, app setup, and handover training so you can monitor and optimise your energy storage.
What Our Customers Say
Read reviews from homeowners who've transformed their energy costs with professional battery storage installations
"Tim did a fantastic job fitting me a new air source heat pump at my home. Friendly, knowledgable and hardworking. Unlike most he is able to carry out all aspects of renewable energy installations himself. A one stop shop for your renewable energy needs. Would fully recommend to anyone 👍"
Mark Burdett
1 review·1 photo
Fantastic air source heat pump installation
"I recently had a solar system installed by TN Renewable Energy Ltd, and I couldn't be happier with the entire experience. From start to finish, Tim, the installer, demonstrated exceptional professionalism, expertise, and dedication. He took the time to explain every step of the process and ensured everything was installed to the highest standards."
Joshua G
5 reviews
Exceptional solar system installation
"Worked along side Tim for years now and he's a a very knowledgeable and trustworthy engineer highly recommend."
JCS Plumbing and Heating
Local Guide·28 reviews·9 photos
Knowledgeable and trustworthy engineer
"Tim has come and installed Heat Pump at my house. Very helpful and also came and fixed issue with my underfloor heating even though that wasn't installed by him. Heat pump has been working great now for 1+ year, and his service is top notch."
Jay Kurji
4 reviews
Excellent heat pump installation and service
"On time and on budget. Great work ethics. And it's all working flawlessly since the install. Highly recommended!"
Piotr Tumilowicz
Local Guide·81 reviews·123 photos
On time, on budget, flawless work
Fully Certified & Accredited Installers
Professional qualifications and industry accreditations you can trust

Gas Safe Register
Gas Safe registered engineers ensuring all gas work meets the highest safety standards

CHAS
Contractors Health and Safety Assessment Scheme accredited for health and safety excellence

RECC
Renewable Energy Consumer Code registered for renewable energy installations

NAPIT
NAPIT registered for electrical and heating system installations

MCS
Microgeneration Certification Scheme certified for renewable energy systems
Our extensive certifications ensure your battery storage system is installed to the highest safety standards and qualifies for all available warranties and guarantees.
Tesla Powerwall vs Alternative Battery Storage
Compare the leading battery storage systems to find the perfect solution for your home's energy needs and budget.
Consideration | Tesla Powerwall | Alternative Systems |
---|---|---|
Storage Capacity | 13.5kWh usable | 5-20kWh options available |
Warranty | 10 years | 5-10 years typically |
Backup Power | Whole home backup | Essential circuits only |
App Integration | Tesla app with advanced features | Basic monitoring apps |
Installation | Wall or floor mounted | Various mounting options |
Price Range | £8,000-£12,000 | £4,000-£10,000 |
Best For | Premium features & whole home backup | Budget-conscious with basic needs |
Get Powerwall Quote | Explore Options |
Frequently Asked Questions
Everything you need to know about home battery storage installation
Most customers save 50-70% on their electricity bills. The exact savings depend on your energy usage patterns, solar panel output, and local electricity rates. A typical 13.5kWh system can save £800-£1,500 annually on electricity costs.
Tesla Powerwall comes with a 10-year warranty and is designed to retain 70% capacity after 10 years. Most quality battery systems last 10-15 years with proper maintenance. The long lifespan ensures excellent return on investment.
Yes, we can retrofit battery storage to most existing solar panel systems. We'll assess your current setup and recommend compatible battery solutions that integrate seamlessly with your existing installation.
With backup-enabled systems like Tesla Powerwall, your battery automatically provides power to your home during outages. Essential appliances continue running, and you may not even notice the power cut occurred.
Most battery storage installations are permitted development and don't require planning permission. However, we handle all necessary notifications to your DNO (electricity network operator) as part of our service.
Most battery storage installations are completed within 1-2 days depending on system complexity. We minimise disruption and ensure your home's power supply is maintained throughout the installation process.
Battery size depends on your daily energy usage and solar generation. Most homes benefit from 10-15kWh systems. We analyse your energy bills and usage patterns to recommend the optimal size for maximum savings.
While direct grants are limited, you can benefit from 0% VAT on battery storage when installed with solar panels. Additionally, smart export guarantee payments and time-of-use tariffs can maximise your financial benefits.
Still have questions?