UK's Trusted Solar Installer 
Excellent 
With energy prices on the rise and growing interest in renewable solutions, many people in Essex are turning to solar to help cut costs and reduce their carbon footprint.
In fact, according to Sunsave, over 36,000 households in Essex have already installed solar panels, with their uptake rate higher than the national average.
However, to ensure your system is fitted safely and performs efficiently, finding a skilled solar panel installer is key to making your solar journey a success.
So, whether you’re in Chelmsford, Southend or Colchester, it’s worth taking the time to compare the best solar companies in Essex before making a decision. In this guide, you’ll find a breakdown of trusted local installers known for their customer service, product quality and workmanship.
No time to waste? Simply fill in the quick form below to get your free, no-obligation quote for a solar panel installation in Essex:
Before diving into the details of each company, here’s a quick overview of the top five solar panel installers in Essex, including their Trustpilot ratings, number of reviews and years in service:
| Company | Trustpilot Rating | Number of Reviews | In Business Since | Location |
|---|---|---|---|---|
| 1. Glow Green | 4.7 | 13,267 | 2011 | National installer, serves Essex |
| 2. Project Solar | 4.6 | 6,076 | 2008 | National installer, serves Essex |
| 3. Contact Solar | 4.8 | 1,003 | 2014 | National installer, serves Essex |
| 4. Solar4Good | 4.9 | 596 | 2009 | National installer, serves Essex |
| 5. Ecowise Renewables | 4.7 | 81 | 2005 | South East and London, serves Essex |
Data collected from Trustpilot and is correct as of 13/11/25. Ranking table is based on volume of reviews, review sentiment, review mentions of customer service, expertise, breadth of services offered, coverage area and years of trading.
| Company | Trustpilot Rating | Number of Reviews | In Business Since | Location |
|---|---|---|---|---|
| Glow Green | 4.7 | 13,267 | 2011 | National installer, serves Essex |
Glow Green has been a trailblazer in the energy efficiency sector for over 12 years, proudly serving more than 50,000 happy customers across the UK. Renowned for our top-tier energy-efficient solutions, we specialise in a comprehensive range of products, including solar PV systems. Our extensive portfolio also features cutting-edge new boilers, air conditioning units, EV chargers, solar batteries, and heat pumps, all designed to meet modern energy needs.
We take pride in our dedicated account managers who offer customised services to meet the unique requirements of each client. Our team of local, approachable engineers ensures seamless, professional installations, making the transition to energy-efficient solutions effortless for our customers. We offer some of the best warranties and financing options available, underscoring our commitment to quality and sustainability. It's no surprise that we're recognised as a leader in the industry.
Recognised as one of the 'Best Solar Panel Installers in the UK' by The Independent in 2025 & 2026.
Long warranties of up to 30 years
Finance options available
Local, qualified solar installers
| Company | Trustpilot Rating | Number of Reviews | In Business Since | Location |
|---|---|---|---|---|
| Project Solar | 4.8 | 6,076 | 2008 | National installer, serves Essex |
Established in 2011, Project Solar UK has become a distinguished leader in the UK's solar industry, completing more than 45,000 installations nationwide. Originating from Australia, the company is driven by a commitment to promoting energy independence and sustainability.Their product line features various solar panels, including the highly efficient monocrystalline type, which boasts an impressive efficiency rate of up to 21.4% and a maximum power output of 445W. Their dedication to excellence and innovation solidifies Project Solar as a trusted name in the field of renewable energy.
| Company | Trustpilot Rating | Number of Reviews | In Business Since | Location |
|---|---|---|---|---|
| Contact Solar | 4.8 | 1,003 | 2014 | National installer, serves Essex |
Contact Solar is a leading renewable energy company specialising in solar panel and battery storage installations for homes and businesses. Recognised for excellence and innovation, they were recently shortlisted for the Energy Awards 2023 and the National Energy Efficiency Awards 2023. These honours reflect their commitment to best practices, exceptional customer service, and significant energy savings for clients. Contact Solar focuses on providing high-quality products that save customers money and offer a high return on investment, emphasising strong customer relations and expert advice.
| Company | Trustpilot Rating | Number of Reviews | In Business Since | Location |
|---|---|---|---|---|
| Solar4Good | 4.9 | 596 | 2009 | National installer, serves Essex |
Solar4Good is a leading UK solar panel installation company with over 15 years of industry experience, specialising in sustainable energy solutions for residential and commercial properties. Recognised as Solar PV Installers of the Year 2023, they offer a range of products, including solar PV systems, battery storage, and EV chargers. Key advantages of choosing Solar4Good include a price match guarantee, 25-year warranty, 10-day installation guarantee, 0% VAT, and affordable payment plans.
| Company | Trustpilot Rating | Number of Reviews | In Business Since | Location |
|---|---|---|---|---|
| Ecowise Renewables | 4.7 | 81 | 2005 | South East and London, serves Essex |
Ecowise Renewables is an Essex-based company specialising in solar PV and battery storage systems for domestic and commercial customers. With 15 years of experience, they are MCS, HIES, and NIC approved, offering insurance-backed guarantees. As a family-run business, they provide comprehensive services from design to maintenance. Ecowise Renewables aims to be a leading UK renewable energy installer, focusing on quality products and customer relationships. They have a strong reputation on platforms like Checkatrade and Which? Trusted Traders, serving both homeowners and businesses in their transition to greener energy solutions.
Essex residents are increasingly turning to solar panel installations to reduce their energy expenditures and minimise their ecological footprints. With skilled installers at your disposal, embarking on your solar journey promises both financial rewards and a boost in energy autonomy.
🌍 Environmental Impact: Installing solar panels significantly contributes to the reduction of carbon emissions. By choosing solar energy, you're supporting the UK’s commitment to achieve net-zero emissions by 2050. Solar panels do not release carbon dioxide as they generate power, thus playing a crucial role in combating climate change.
💰 Long-Term Savings and Energy Independence: Solar panels provide remarkable long-term savings by significantly lowering energy bills. After the initial setup cost, the energy produced is practically free, with the sun as a constant and renewable energy source. This is especially true in Walton-on-the-Naze in Essex, with it being listed as the 9th sunniest place in the UK. Also, solar energy enhances your independence from traditional energy sources. This autonomy is especially beneficial during times of energy price hikes or supply disruptions.
Essex and the rest of the UK offer a range of solar panels suited to diverse needs, from residential to commercial applications, promoting greater energy independence and sustainability.
Residential Solar Panels: In Essex, residential solar panels provide homeowners the chance to produce their own electricity using sunlight. Typically installed on rooftops, solar panels not only cut down on your energy bills but also reduces your carbon footprint, aligning with energy sustainability goals.
Ground-Mounted Solar Panels: Ground-mounted solar panels are an excellent alternative if roof space is insufficient or unsuitable for installation. These installations can be scaled significantly to cover larger areas, making them ideal for agricultural or commercial use.
Commercial Solar Panels: For businesses in Essex, commercial solar panels serve as a reliable source of sustainable energy. These robust systems are tailored to meet the higher energy demands of commercial premises and are expertly installed by certified providers like Glow Green. Besides reducing operational costs by lowering electricity bills, these installations reinforce your business's commitment to environmental responsibility. The energy produced can be used directly by your facility, stored, or fed back into the grid, providing financial as well as ecological benefits.
As the demand for sustainable energy solutions like solar power increases in Essex, evaluating the suitability of your property for solar panel installation becomes crucial. This section will guide you through the essential factors you need to consider:
Roof Material: Ideal materials include asphalt shingles, metal, tile, tar and gravel roofing. Unfortunately, solar panels cannot be installed on thatch or glass roofs.
Roof Size: The size of your solar system will ultimately determine the exact roof space you need. However, For a standard 4kW solar panel system, which is a common size for residential installations in the UK, you would need around 28 square meters of clean roof space.
Roof Orientation: A south-facing roof maximises sun exposure and is preferable. Though east and west orientations are feasible, the north-facing orientation may not yield optimal results.
Shading: Check for obstructions like trees or nearby buildings that could cast shadows and decrease the efficiency of panels.
Planning Permission: Generally, installations on residential properties do not require planning permission but listed buildings and conservation areas, for example, have specific restrictions.
By weighing these factors, you can determine if your property is a good candidate for solar panel installation, thus advancing toward energy efficiency and sustainability in line with Essex's commitment to environmental conservation and reduced energy costs.
Installing solar panels has many advantages such as significantly reducing energy bills and carbon emissions, which provides clean, renewable energy to both residential and commercial properties.
Essex has a relatively sunny climate compared to other parts of the UK, making it a good location for harnessing solar energy.
Yes, over 36,000 households have already installed solar panels with the uptake rate in Essex higher than the national average.
While solar panels can significantly reduce your electricity bills, they may not completely eliminate them due to nighttime electricity use and variably sunny days requiring additional grid energy usage.
Yes, there are incentives such as grants and feed-in tariffs in the UK that can help offset the initial cost of solar panel installation and contribute towards the long-term savings on energy bills.
