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Professional Solar Panel Installers

Thunder Sparks Ltd is your Local Electrical Contractor based in Billericay, Essex. We are a team of highly trained and fully qualified professionals. We offer you a full range of electrical services at a good price. We have been an established electrical contractor for solar panels in essex since 2019 and we provide friendly and professional service to property developers, builders, property maintenance companies, estate agents, local authorities, private households, and estates in Essex and Greater London Areas.

We are an NAPIT Approved Electrical Contractor and all of our work is conducted to a high standard. We hold Public Liability Insurance (£5,000,000) and Employers Liability Insurance (£5,000,000).


Years Of Experience


Of Happy Clients

Over 2.5k

Projects Completed



Our Services

Delivering The Best Quality: Solar Panels Installers and Electricals

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Solar Panels

Solar panels, also known as photovoltaic (PV) panels, are innovative devices that harness the power of sunlight and convert it into usable electricity. We have been trusted as the best solar panel installers in essex and thrive to deliver a high quality service for our customers.

solar panel installers essex
Domestic Electrics

Our expert electricians are skilled in handling various domestic electrical needs, from installations and repairs to upgrades and maintenance.

solar panel installation essex
Commercial Electrics

With our expertise and experience, we are dedicated to meeting the unique electrical needs of commercial clients, ensuring safety, reliability, and efficiency.

Here To Help: Electricals & Solar Panel Installers in Essex

Your one-stop solution for all your electrical and solar panel needs. As a trusted and experienced provider in the industry, we offer a comprehensive range of services to residential, commercial, and industrial clients. Our services include: Rewires Solar Panels Electrical Installations HMO Inspections

Large Industrial solar installation

Six Reasons Why We Are The Best Solar Panel Company

Qualified Experts

At Thunder Sparks we are NAPIT Approved Electrical Contractors & MCS Accredited Solar Panel Installers.

No Jobs Too Complex

We have completed installs on small houses right through to football stadiums.

Fully Insured

We hold Public Liability Insurance (£5,000,000) and Employers Liability Insurance (£5,000,000).

Affordable Packages

We cater for all budgets. Unlock savings, energy independence, and a greener future.

Quality Professionals

We pride ourselves on our quality workmanship and reliability on all solar installs.


Over 15 years experience giving you peace of mind that you get the best return

Our Favourite Builders

We Are Business Who Cares, And it Shows

Frequently Asked Questions​

The cost of solar panels in Essex depends on different aspects, such as

  • the size and complexity of the installation, 
  • the type of panels used, and 
  • any additional equipment required. 

On average, solar panel installers in Essex can charge between £5,000 and £15,000.

Yes, of course! Solar panels can still produce electricity even on cloudy days. While direct sunlight provides optimal performance, solar panels can still generate electricity from diffused sunlight. However, the output may be slightly reduced compared to sunny conditions.

While it is technically possible to install solar panels yourself, it is highly recommended to hire a professional solar panel installation company. They have the expertise, knowledge, and equipment to ensure a safe and efficient installation and handle any necessary permits and paperwork.

Yes! Solar panels require minimal maintenance. We recommend occasional cleaning to remove dirt and debris to ensure optimal performance. Other than that, monitoring the solar panel system’s performance and checking for any issues regularly is advisable. 

Contact us for any repair, replacement, or maintenance services.

We are the leading solar panel installers in Essex. Discover our wide variety of options to meet your unique needs and preferences. We install

  • Monocrystalline solar panels: These panels are made from a single crystal structure, offering high efficiency and sleek aesthetics.
  • Polycrystalline solar panels: Constructed from multiple crystal fragments, these panels provide a cost-effective and reliable energy solution.
  • Thin-film solar panels: These flexible and lightweight panels are ideal for irregular surfaces and low-light conditions.

Ready To Get Started?

Thunder Sparks HQ

Station Rd, Billericay CM12 9DP

Phone: 0330 122 0064

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