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Solar Panels Technicians

Solar Panel Battery Storage

A solar battery is a simple but smart addition that gives you the power to store the energy you generate, so you can use it later when not generating solar at night or to sell the energy your solar panels produce back to the electric grid. 

Why choose ERS?

We are a specialist renewables company, headquartered in Essex but operating nationwide, we deliver solar panel design, supply and installation solutions, battery storage systems, EV charging and low energy lighting.

ERS are experts in helping our customers select the correct Solar PV package to suit their usage and needs. Installations are carried out by our team of trained technicians. Solar PV systems require very little maintenance but we are here if things do go wrong to help.  We also offer maintenance packages to ensure you get the most out of your solar installation.


Years of experience, we know what to expect, and how to resolve the unexpected.


We save approximately 41,400 kg CO2 every year, that's the weight of about 50 Indian elephants.

Choose your house type to see what you can save




What our customers say


The benefits of solar batteries


Energy Cost Optimise

Storing excess energy and using it during times of higher electricity rates, you can further reduce your electricity bills.


Grid Resilience

Solar batteries act as a backup power source during grid outages, ensuring that essentials continue to operate.


Energy independence

Generating your own power allows you to become less reliant on utility companies and the fluctuating costs.


Demand Management

Solar batteries allow you to draw stored energy during peak demand periods when electricity costs are highest.


Environmental Impact

Using stored solar energy instead of relying solely on the grid, you contribute to a cleaner environment.


Long term Savings

Solar batteries extend the lifespan of your solar panels by reducing wear and tear caused by frequent on-off cycles.


Got a question about residential solar batteries?

If you’re interested in installing solar batteries, get in touch with the team at ERS Group today.

Our Services

At ERS Group, we have extensive experience in installing and maintaining solar arrays and battery storage systems for homeowners across the UK. We can advise you on the right sized system for your energy requirements and help you choose a battery system that fits your needs and budget.

We’ve installed solar battery storage for a host of different properties, from terraced and semi-detached homes to traditional properties looking to modernise their electrical supply and new-build homes. We’re well equipped to help you find the right battery storage to accompany your solar PV system and look after your system for the long-term.


Why energy storage systems work

For homeowners in the UK, adding solar energy storage systems can provide a powerful way to take control over energy bills while also building energy resilience and sustainability. By investing in a home battery system, homeowners can get the most out of their solar panel investment and rely less on grid electricity and fluctuating rates.


To explore whether solar battery storage is right for your home, get in touch with our experienced team to arrange a free, no obligation consultation.

Green Mountains

We plant a tree for every quote we give and every solar panel we install

Supporting reforestation efforts is part of our commitment to renewables.


Frequently Asked Questions

Is solar energy worth the investment?


Solar energy saves you money on your energy bills and you can even make money by selling your surplus energy and battery capacity back to the National Grid!

Why choose ERS?


We offer transparent quotes and free site surveys. A dedicated project manager will oversee your design and install.

What could renewables give me?

We offer transparent quotes and free site surveys. A dedicated project manager will oversee your design and install.

What could renewables give me?

We offer transparent quotes and free site surveys. A dedicated project manager will oversee your design and install.

ERS logo



0800 464 7680

Mon - Fri, 09am - 17pm

Company Info

33 Barrack St

Colchester, Essex


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