Top Solar Installers UK (2026)
John Rooney is the founder of Solar Info and has been covering the UK solar energy market since 2023. He fact-checks all content against official MCS and Ofgem data and maintains relationships with MCS-certified installers across the UK.
The top rated solar installers in the UK in 2026, ranked by verified Google and Trustpilot reviews. Based on 1,578,984 verified reviews across 1903 MCS-certified companies. Updated April 2026.
Top 5 Solar Installers in the UK (2026)
- Harling Electrical Limited — 5.0 stars (564 reviews), serves 109 counties
- PWS Renewables LTD — 5.0 stars (518 reviews), serves 32 counties
- Now EV Ltd — 5.0 stars (481 reviews), serves 109 counties
- Staybright Energy Ltd T/A Skylar Solar — 5.0 stars (324 reviews), serves 32 counties
- Home Heating Services (Scotland) Limited — 5.0 stars (273 reviews), serves 32 counties
Ranked by combined Google & Trustpilot rating, weighted by review volume. All MCS-certified. Updated April 2026.
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
Compare Top Solar Companies in the UK
Side-by-side comparison of the highest rated solar installers in the UK, ranked by verified customer reviews from Google and Trustpilot.
| Rank | Company | Rating | Reviews | Trustpilot | Counties | MCS | |
|---|---|---|---|---|---|---|---|
| 1 | Harling Electrical Limited | 5.0 ★ | 564 | 5.0 (27) | 5.0 (537) | 109 | Yes |
| 2 | PWS Renewables LTD | 5.0 ★ | 518 | 5.0 (518) | — | 32 | Yes |
| 3 | Now EV Ltd | 5.0 ★ | 481 | 5.0 (323) | 5.0 (158) | 109 | Yes |
| 4 | Staybright Energy Ltd T/A Skylar Solar | 5.0 ★ | 324 | 5.0 (324) | — | 32 | Yes |
| 5 | Home Heating Services (Scotland) Limited | 5.0 ★ | 273 | 5.0 (227) | 5.0 (46) | 32 | Yes |
| 6 | CRC Electrical and Renewables Ltd | 5.0 ★ | 270 | 5.0 (261) | 5.0 (9) | 109 | Yes |
| 7 | Solarfix NI Ltd | 5.0 ★ | 260 | 5.0 (260) | — | 7 | Yes |
| 8 | Green Home Heating Ltd | 5.0 ★ | 243 | 5.0 (243) | — | 109 | Yes |
| 9 | APEX DOMA Ltd | 5.0 ★ | 236 | 5.0 (130) | 5.0 (106) | 109 | Yes |
| 10 | JDS Gas Services Ltd | 5.0 ★ | 231 | 4.9 (81) | 5.0 (150) | 109 | Yes |
Combined rating = weighted average of Google and Trustpilot ratings by review count. Minimum 3 verified reviews required. Rankings independent of sponsorship.
Best Solar Installers by County
Top rated solar companies in the UK's most searched counties, based on verified customer reviews.
Top Solar Installers in Greater London
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- Staybright Energy Ltd T/A Skylar Solar — 5.0 ★ (324 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
Top Solar Installers in Essex
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- Staybright Energy Ltd T/A Skylar Solar — 5.0 ★ (324 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
Top Solar Installers in Kent
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- Staybright Energy Ltd T/A Skylar Solar — 5.0 ★ (324 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
Top Solar Installers in Surrey
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- Staybright Energy Ltd T/A Skylar Solar — 5.0 ★ (324 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
Top Solar Installers in Hampshire
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- Staybright Energy Ltd T/A Skylar Solar — 5.0 ★ (324 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
Top Solar Installers in West Yorkshire
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
- APEX DOMA Ltd — 5.0 ★ (236 reviews)
Top Solar Installers in Greater Manchester
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- Staybright Energy Ltd T/A Skylar Solar — 5.0 ★ (324 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
Top Solar Installers in West Midlands
- Harling Electrical Limited — 5.0 ★ (564 reviews)
- Now EV Ltd — 5.0 ★ (481 reviews)
- CRC Electrical and Renewables Ltd — 5.0 ★ (270 reviews)
- Green Home Heating Ltd — 5.0 ★ (243 reviews)
- APEX DOMA Ltd — 5.0 ★ (236 reviews)
How We Rank Solar Installers
Our comparison ranks solar installers using a weighted average of verified Google and Trustpilot reviews. This gives more weight to installers with more reviews, not just high ratings from a small number of customers.
Inclusion criteria: MCS-certified, active, at least 3 verified reviews on Google or Trustpilot. Rankings are calculated automatically and updated regularly.
Editorial independence: Solar Info earns revenue through sponsorships and advertising. Sponsored installers are clearly labelled. Rankings are applied equally regardless of payment status. See our editorial policy.
For a deeper look at what makes a good installer, read our guide to choosing the best solar installer. For pricing, see solar panel costs in the UK. All installers listed qualify for the Smart Export Guarantee (SEG) and benefit from 0% VAT on solar installations (until March 2027).
Most Reviewed Solar Installers in the UK
Solar companies with the highest number of verified customer reviews. More reviews indicate more completed installations and a longer track record.
| # | Company | Total Reviews | Rating | Based in |
|---|---|---|---|---|
| 1 | Octopus Energy Services Limited | 772315 | 4.8 ★ | Greater London |
| 2 | OVO (S) Gas Limited | 264985 | 4.4 ★ | Bristol |
| 3 | Utilita Field Services Limited | 111508 | 4.2 ★ | Hampshire |
| 4 | E.ON Energy Installation Services Limited t/a EON | 65573 | 3.7 ★ | Warwickshire |
| 5 | E.ON UK Green Funding Solutions Limited | 65571 | 3.7 ★ | West Midlands |
| 6 | Zuno Opco Limited t/a BOXT | 56839 | 4.8 ★ | West Yorkshire |
| 7 | PHS Home Solutions Limited t/a 0800 Repair | 34458 | 4.7 ★ | Durham |
| 8 | Glow Green Ltd | 14475 | 4.4 ★ | Dorset |
| 9 | Good Energy Solar (South West) Ltd | 14471 | 4.6 ★ | Wiltshire |
| 10 | Heatable Ltd | 13962 | 4.8 ★ | Cheshire |
Frequently Asked Questions
Who are the top 5 solar installers in the UK in 2026?
Based on verified Google and Trustpilot reviews, the top rated solar installers in the UK in 2026 are: 1. Harling Electrical Limited (5.0 stars, 564 reviews), 2. PWS Renewables LTD (5.0 stars, 518 reviews), 3. Now EV Ltd (5.0 stars, 481 reviews), 4. Staybright Energy Ltd T/A Skylar Solar (5.0 stars, 324 reviews), 5. Home Heating Services (Scotland) Limited (5.0 stars, 273 reviews). All are MCS-certified and serve multiple counties. Rankings are based on combined review ratings and volume.
How do you rank the best solar companies in the UK?
We rank solar installers using a weighted average of verified Google and Trustpilot reviews. Installers must be MCS-certified and have at least 3 verified reviews to appear in our comparison. Rankings are updated regularly and are independent of sponsorship.
What is the best solar company in the UK in 2026?
Based on combined Google and Trustpilot reviews, Harling Electrical Limited has the highest rating among MCS-certified solar installers in the UK with 5.0 stars across 564 reviews. However, the best installer for you depends on your location, budget, and system size. We recommend getting 3+ quotes.
Which solar installers have the most reviews in the UK?
The most reviewed solar installers in the UK are: Octopus Energy Services Limited (772315 reviews), OVO (S) Gas Limited (264985 reviews), Utilita Field Services Limited (111508 reviews). More reviews generally indicate more installations completed and a longer track record.
What are the best solar companies in London in 2026?
The top rated solar installers serving London in 2026 are: Harling Electrical Limited (5.0 stars), Now EV Ltd (5.0 stars), Staybright Energy Ltd T/A Skylar Solar (5.0 stars). All are MCS-certified. See our full London comparison for more.
Are all listed solar installers MCS certified?
Yes. Every installer in our comparison is verified as MCS-certified. MCS (Microgeneration Certification Scheme) is the UK quality mark for small-scale renewable energy installations. MCS certification is required for eligibility for the Smart Export Guarantee (SEG), which pays you for surplus electricity exported to the grid.
Related Guides
Best Solar Installers UK
Guide to choosing the best solar installer in the UK.
Solar Panel Costs
Full cost breakdown and payback periods.
MCS Certification
What MCS means, why it matters, and how to check your installer.
Solar Incentives
0% VAT, Smart Export Guarantee, ECO4, and business capital allowances.
Related Blog Posts
Sources
- Google Reviews — verified customer ratings via Google Business Profiles
- Trustpilot — verified customer ratings via trustpilot.com
- MCS — Microgeneration Certification Scheme, mcscertified.com
John Rooney is the founder of Solar Info and has been covering the UK solar energy market since 2023. He fact-checks all content against official MCS and Ofgem data and maintains relationships with MCS-certified installers across the UK.
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