The 12 Best Solar Panel Installers in the UK 2023 Written by Josh Jackman Updated on 5 September 2023 ✔ The best solar panel installer with nationwide coverage is Project Solar✔ We’ve analysed 643 companies to find the best installers in the UK✔ All these installers are certified by four authoritiesIf you want to keep the price of solar panels down, you'll want the installation to be in good hands. After all, a poor installation will only lead to problems further down the line.That’s why our four researchers spent 30 hours analysing 643 installers across the UK to bring you this definitive list of the best solar panel installers.These companies come with all the best certificates and highest ratings – because that’s what you deserve.You can also find the best solar panel installers for your home by using our custom-built comparison tool. Simply fill in this free form, and our trusted specialists will be in touch with quotes. Where do you want to install solar panels? Roof Ground Both Other / not sure Get started 0 out of 0 backward forward Installer Customer rating Number of reviews Founded Based in Best for nationwide coverage Project Solar Best in East Anglia CRC Electrical and Renewables Ltd Best in London & South East England Everyone's Energy UK Limited Best in the Midlands The Eco Roof and Wall Company Best in North East England 0800 Repair Best in North England Solar Fast Best in North West England Warma UK Best in Scotland Greener Energy Group Best in South England Solum GB Best in South West England Tile Energy Best in Wales City Energy Network Best in Yorkshire Clever Energy Boilers 4.7 5 4.8 4.4 4.7 4.7 4.5 4.5 4.9 4.8 4.2 4.8 1,436 41 112 190 28,833 539 666 1,316 42 61 157 562 2011 2021 2019 2003 2017 2006 2016 2014 2007 2012 2011 2010 Burton upon Trent King's Lynn Harlow Nottingham Newcastle Castleford Macclesfield Glasgow Bournemouth Swindon Cardiff Keighley Compare solar panel prices Get quotes What’s on this page? 01 The best solar panel installers 02 How we chose the best solar panel installers 03 Next steps 04 Best solar panel installers: FAQs The best solar panel installers at a glanceProject Solar – best for nationwide coverageCRC Electrical and Renewables – best in East AngliaEveryone's Energy UK – best in London & South East EnglandThe Eco Roof and Wall Company – best in the Midlands0800 Repair – best in North East EnglandSolar Fast – best in North EnglandWarma UK – best in North West EnglandGreener Energy Group – best in ScotlandSolum GB – best in South EnglandTile Energy – best in South West EnglandCity Energy Network – best in WalesClever Energy Boilers – best in YorkshireInterested in a free, tailored solar panel quote? Click any of the links above to start comparing solar panel prices. Best for nationwide coverage: Project SolarCustomer ratingNumber of reviewsFoundedBased in4.71,4362011Burton upon TrentFor more than a decade, Project Solar has installed top-notch solar panels on homes all over the country.This centrally located company has carried out 45,000 solar installations, saving a total of 150,000 tonnes of greenhouse gases – and all while sustaining a fantastic rating.The average solar panel installer is much younger, at seven years old, and has carried out far fewer jobs.A massive number of customers on Review Centre have had their say, and Project Solar’s rating is still an impressively high 4.7 out of five.Pros and cons of Project Solar Pros More than a decade of experience Tens of thousands of successful installations A large number of high reviews Cons Not a local supplier Where do you want to install solar panels? Roof Ground Both Other / not sure Get started Best for East Anglia: CRC Electrical and RenewablesCustomer ratingNumber of reviewsFoundedBased in5412021King's LynnThis family-run business is the youngest company on our list, but it contains 10 years’ worth of experience in the renewable energy industry.And since it arrived on the scene in January 2021, CRC has managed to elicit and maintain a perfect rating – the only one in our rankings, and well above the 4.6 average achieved by the best installers in the country.We can safely put this down to the company’s trustworthy nature and the genuine care it shows towards its customers in East Anglia.You might also like: How to Choose a Solar Panel InstallerPros and cons of CRC Electrical and Renewables Pros The only perfect rating around Family-run business The staff has 10 years of experience Cons Relatively low number of reviewers Only started in 2021 Interview with a solar panel owner Melissa Homeowner Melissa lives in the East Midlands, and has owned solar panels since July 2022. Q&A How big is your solar panel system, and how roughly much did it cost? “We have a 5.76 kilowatt (kW) system, comprising of 16 360 watt (W) fully black Canadian solar panels. They’re connected to a Solis 5G 5.0 kW dual tracker inverter, with direct current (DC) isolation […].“We paid just under £5,000 for the whole system, and £750 for an electric car charging port.” What was the experience like buying the panels? “I searched for quotes online, and three [installers] got back to me.“We had two of the three come out and see the house, and we went with the cheapest option […].“The scaffolders came one Friday afternoon. The equipment was dropped off that day, and kept in our garage. […] The panels were up by Sunday morning, and the scaffolding was down Monday.” How much money do your solar panels save you on your electricity bills? “I know that the first month after we installed the panels, we went from £90 [a month] to £45-50.” Want to know more? Read the full interview Best for London & South East England: Everyone’s Energy UKCustomer ratingNumber of reviewsFoundedBased in4.81122019HarlowIn 2020, this London-based company dropped its previous name, GSES Services, for a much more appealing moniker and the slogan “it's low cost and it's for you”.Managing director Jordan Brown has explained that he saw an opportunity to spread the benefits of green energy, saying: “I started Everyone’s Energy with Finn [Rawlings, a director] after seeing the positive feedback from happy customers on their savings.”Customers have responded with near-perfect ratings – and if you’re worried about solar panel costs, Everyone’s Energy UK has a solution: buy collectively.The company has partnered with Solar Together, which gets homeowners and local authorities to pitch in for solar panels together, so they can reduce individual costs while sharing the benefits.Most installers wouldn't go this far to help its customers – which is why Everyone’s Energy UK more than deserves its spot on this list.For more information, check out our guide to solar panels in London.Pros and cons of Everyone’s Energy UK Pros High rating Partners with Solar Together Passionate about saving you money Cons Relatively low number of reviewers Best for the Midlands: The Eco Roof and Wall CompanyCustomer ratingNumber of reviewsFoundedBased in4.41902003NottinghamAs you may suspect, solar panels are just one of the renewable home improvements carried out by The Eco Roof and Wall Company, alongside insulation and heat pump installations.With two decades of experience behind this Nottingham stalwart, you can rest easy in the knowledge that its staff know exactly what they’re doing.One of those staff members, Zane Henson, told The Eco Experts that the company’s family-run setup had been crucial to its success.“With the big corporate companies, the thing you lose is the personal touch,” he explained.“Being a family-run business, we make sure each job is given due care and attention, from start to finish.”This level of dedication is rare among installers, and will make the whole process of adding solar panels to your roof much easier.Pros and cons of The Eco Roof and Wall Company Pros Family-run company Two decades of experience Well-versed in a variety of green products Cons Rating could be higher Best for North East England: 0800 RepairCustomer ratingNumber of reviewsFoundedBased in4.728,8332017NewcastleLet’s be clear: 4.7 is an excellent rating, and even more so when it’s off the back of tens of thousands of Trustpilot reviews.Many of these reviews come from before PHS Home Solutions launched its 0800 Repair brand, but still, homeowners in the northeast can trust this company.Its engineers, who have been successfully installing green technology in the area for around 20 years, are continually trained to the newest standards at the company’s in-house academy.The average solar company doesn't have a training centre, let alone one where installers can learn from instructors with this much experience.Pros and cons of 0800 Repair Pros Incredibly high number of happy reviewers It has an in-house training academy Excellent rating Cons Not nationwide Best for North England: Solar FastCustomer ratingNumber of reviewsFoundedBased in4.75392006CastlefordThis Castleford-based installer has maintained a high level of quality since 2006.The company has achieved its excellent 4.7 rating on Trustpilot with a thoughtful approach that focuses on meeting customers' specific needs – from the initial design to aftercare.You can put your faith in Solar Fast, especially as 93% of reviewers have reported having a four or five-star experience.This is probably because the company uses the best solar panels – which the average company avoids, to cut costs – and values consistency in its installers' performances.Pros and cons of Solar Fast Pros They take care of you, from design to post-job support Values consistent installers Uses top-tier solar panels Cons No major cons Best for North West England: Warma UKCustomer ratingNumber of reviewsFoundedBased in4.56662016MacclesfieldWarma UK has excellent customer service, and its installers know how to get the job done for a reasonable price – and that’s all reflected by its high rating on Trustpilot.However, the Macclesfield company’s true strength lies in its ability to connect you with solar panel government grants.If staff can get you some money off your installation, they will – and that’s special. Most installers won't go the extra mile and do this for you.Pros and cons of Warma UK Pros They proactively try to get you government grants Excellent customer service Cons Its rating could be higher Best for Scotland: Greener Energy GroupCustomer ratingNumber of reviewsFoundedBased in4.51,3162014GlasgowWhen more than 1,000 Scottish homeowners give you a high rating, you’ve done something right.Greener Energy Group has won plenty of awards for its sterling work in sorting out renewable installations, but its customer reviews are the best argument to pick this excellent provider.If you move quickly, you may be able to get a free Project EV electric vehicle charger with your solar panel installation – and even if you just get a quote, the company will still plant a tree.The average installer doesn't have this much commitment to green causes.If you want to find out more about solar panels in Scotland, check out our guide.Pros and cons of Greener Energy Group Pros High number of happy reviewers It's won multiple awards Committed to green causes Cons Rating could be higher Best for South England: Solum GBCustomer ratingNumber of reviewsFoundedBased in4.9422007BournemouthIt’s easy for a family-run business to play it safe, but Solum GB isn't resting on its laurels.This long-established south-coast company has earned a 9.8 rating on Checkatrade, with its quote accuracy and workmanship in particular receiving extremely positive reviews.And it doesn’t stop there, either. Solum GB installs all types of renewable technologies, including excellent solar panels, and attempts to convince its customers to go green for the best reasons.Its sales line is: “We all decide what type of world we live in. Renewables are part of our future.” We can get behind that level of green enthusiasm.Pros and cons of Solum GB Pros Extremely high ratings on Trustpilot and Checkatrade Family-run company Passionate about green causes Cons No major cons Best for South West England: Tile EnergyCustomer ratingNumber of reviewsFoundedBased in4.8612012SwindonIt’s tough to survive as a sustainable installer for a decade, but Tile Energy has thrived.The company proudly offers “down-to-earth advice” on renewable installations that puts it above most installers that are unable to properly explain eco-friendly products to homeowners.Tile Energy follows this up with a level of quote accuracy, courtesy, and reliability that’s earned it a fantastic 9.81 rating on Checkatrade.It also has a five-star rating on Which? – and as if that wasn’t enough, Tile Energy will give you a 10-year guarantee on your solar panel installation.Pros and cons of Tile Energy Pros High ratings on Trustpilot, Which?, and Checkatrade Excellent at explaining green tech to customers It offers a 10-year guarantee Cons No major cons Best for Wales: City Energy NetworkCustomer ratingNumber of reviewsFoundedBased in4.21572011CardiffCity Energy Network offers a holistic approach, which gives you the chance to see all the ways you can save energy and cut your bills before you commit to an installation.This Cardiff-based company is up-to-date with all the latest sustainable options, as well as all the best government grants, which is exactly what you want from an installer.And if you doubted its green credentials, City Energy Network has committed to reaching net zero emissions by 2040 – before the UK as a whole.We welcome this extremely unusual step, and you can take it as confirmation that this company truly values green energy.Pros and cons of City Energy Network Pros It offers a holistic approach It's up-to-date with grants and tech It's pledged to reach net zero by 2040 Cons Its rating could be higher Best for Yorkshire: Clever Energy BoilersCustomer ratingNumber of reviewsFoundedBased in4.85622010KeighleyWith a 9.68 rating on Checkatrade and 4.3 stars on Trustpilot, Clever Energy Boilers has more than earned its spot on this list.More than 1,000 reviews on these two sites confirm what anyone in and around west Yorkshire knows: you can rely on this company to follow through.Don’t be fooled by the name, either. The staff are also specialists in renewable installations, and can offer you a range of the best solar panels for your roof.That's part of the reason why Clever Energy Boilers has won multiple awards in the local area over the past few years.Pros and cons of Clever Energy Boilers Pros High ratings on Trustpilot and Checkatrade They specialise in multiple technologies It's won multiple local awards Cons It sources top solar panels, but not the best How did we choose the best solar panel installers?We began with the view that the best solar panel installers are widely certified and highly rated. Here are the factors we considered, which we'd recommend you think about too.AccreditationsYou deserve a top-quality installer, which means one that's been assessed and approved by all the major accreditation bodies.All 643 of the companies we looked into are certified by the Microgeneration Certification Scheme (MCS) – which your installer must be for you to receive payments from government-backed initiatives like the Smart Export Guarantee.We cut this down to the 77 installers certified by the National Association of Professional Inspectors and Testers (NAPIT), the government-endorsed quality scheme TrustMark, and the Home Insulation and Energy Systems Quality Assured Contractors Scheme (HIES).Ratings and reviewsIt's crucial to consider how an installer has treated customers who came before you.The best way to assess this is to research the ratings and reviews they've given on independent sites like Trustpilot and Checkatrade.We eliminated any company with a ranking under four stars or a low number of reviews, then found the highest-rated installer in each region of the UK.ExperienceIdeally, you want to hire a solar installer with enough experience that they can negotiate any unexpected obstacles with ease.That's why we made sure that even when a company on our list is relatively new, its solar panel installers have the necessary experience to provide you with the service you deserve. Next stepsBy now, you’ll have a good idea of which solar panel installer is right for you.All that’s left now is to take the plunge and go solar, joining more than a million other homeowners.That number’s only increasing, too – 60% of UK residents want to switch to renewable energy, according to our latest National Home Energy Survey.The next step is finding the best deal – that’s where we come in.Simply pop your details on this free form and let us take the reins. We’ll pass on your details to our professional installers, who will then get in touch with their best prices. Best solar panel installers: FAQs Is it harder to sell a house with solar panels? No it’s not harder to sell a house with solar panels – in fact, it can sometimes be easier, since solar panels are increasingly popular in the UK. Over two-thirds of Brits would be likely to buy a property that had solar panels, according to our latest National Home Energy Survey.Having solar panels installed on your roof can increase the value of your property by around 4.1%. Do I need to tell my electricity supplier that I have solar panels? Yes, if your solar panels are connected to the grid, you need to notify your Distribution Network Operator (DNO) that you’ve installed them. You won’t need to worry too much about this, since your installer will usually do this for you.Energy distributors need to know if you are exporting electricity back onto the grid so that they can manage their energy levels efficiently. How much do solar panels cost in the UK in 2023? The average cost of solar panels in the UK is £786 per panel, meaning a three-bedroom house will typically pay £7,860 for 10 solar panels.You can choose to buy more expensive solar panels for higher efficiency levels, which may allow you to reduce the average break-even point of 12.9 years. Who are the best installers of solar panels? The best installer of solar panels in the UK is Project Solar, which operates on a nationwide level.The other best installers of solar panels are regional. Here's the full list:Project Solar – best for nationwide coverageCRC Electrical and Renewables – best in East AngliaEveryone's Energy UK – best in London & South East EnglandThe Eco Roof and Wall Company – best in the Midlands0800 Repair – best in North East EnglandSolar Fast – best in North EnglandWarma UK – best in North West EnglandGreener Energy Group – best in ScotlandSolum GB – best in South EnglandTile Energy – best in South West EnglandCity Energy Network – best in WalesClever Energy Boilers – best in Yorkshire Who are the largest solar installers in the UK? Project Solar is the largest solar installer in the UK, having carried out more than 45,000 installations since 2011.The other largest solar installers include E.ON, Octopus, and Joju Solar – but none of them made our best solar panel installers list. Written by: Josh Jackman Lead Writer Josh has written about eco-friendly home improvements and climate change for the past four years. His work has been displayed on the front page of the Financial Times, he's been interviewed by BBC One's Rip-Off Britain, and he regularly features in The Telegraph and on BBC Radio.