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Best Solar Companies in Cardiff – Compare Top Installers 2025

Find and compare the best solar companies in Cardiff. Discover trusted installers, solar panel costs, and local incentives for homes and businesses.

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The data on this page comes from real solar quotes to real solar shoppers on the EnergySage Marketplace. We give you access to transparent information so you can confidently make informed energy decisions.

4,517
Verified customer reviews
600
Companies
4.6
Average rating
The Best Solar Companies in 2025

SolarCentric Renewables Ltd

Brindley Rd, Cardiff CF11 8TL
SolarCentric Renewables Ltd, established in 2020, focuses on electrical and renewable installations, delivering solar and energy systems across the UK.
Rated
Verified Reviews
Top Rated Installer in Cardiff

WDS Green Energy Ltd

12 Cathedral Road, Cardiff, United Kingdom
WDS Green Energy Ltd, established in 2010, specialises in designing and installing heat pumps, solar & hybrid systems across South Wales and adjacent regions.
5
Rated
33
Verified Reviews
Top Rated Installer in Cardiff

SolarTech

UK- London Tower 42, Tower 42, 25 Old Broad St, London EC2N 1HN
SolarTech designs, installs and maintains solar energy systems, committed to delivering efficient, future-ready renewable solutions for clients.
5
Rated
12
Verified Reviews
Top Rated Installer in Cardiff

Heatforce

Unit 10, Cardiff Business Park, Lambourne Cres, Cardiff CF14 5GP, United Kingdom
Heatforce has roots from 1982 and has since expanded into solar, heat pumps, EV chargers and HVAC systems, blending traditional heating with modern renewables.
5
Rated
548
Verified Reviews
Top Rated Installer in Cardiff

City Energy Network Ltd

Business Park, Unit 10 Lambourne Cres, Cardiff CF14 5GP, United Kingdom
City Energy Network Ltd, founded in 2011, is a UK retrofit & low-carbon specialist working to eradicate fuel poverty and deliver warmer, energy-efficient homes.
3
Rated
65
Verified Reviews
Top Rated Installer in Cardiff

Green Energy Solar

Unit T3, Capital Business Park, Parkway, St. Mellons, Cardiff CF3 2PZ
Green Energy Solar, incorporated in 2021, delivers custom solar PV, design, install, monitoring & maintenance, striving to reduce client energy bills & emissions.
5
Rated
130
Verified Reviews
Top Rated Installer in Cardiff

Zing Energy

Unit 6, Cardiff Gate Business Park, 7 Beck Ct, Pontprennau, Cardiff CF23 8RP, United Kingdom
Zing Energy provides clean energy solutions, integrating solar, battery, EV charging and smart energy management for homes and businesses.
4
Rated
32
Verified Reviews
Top Rated Installer in Cardiff

InspireGreen

Abacus House, Cardiff, CF23 8HA, United Kingdom
InspireGreen, started in December 2021, installs solar panels, heat pumps and EV chargers, emphasizing sustainable homes and carbon-neutral solutions.
5
Rated
13
Verified Reviews
Top Rated Installer in Cardiff

Urban Solar Ltd

Unit 5 (on right), Heron Road, Cardiff CF3 3JE
Urban Solar Ltd works in metropolitan settings, delivering rooftop PV, solar integration and urban renewable solutions tailored for dense environments.
5
Rated
5
Verified Reviews
Top Rated Installer in Cardiff

Solar Planet

Cardiff, United Kingdom
Solar Planet provides full solar PV services—from consultation to installation and support—helping properties generate clean electricity reliably.
5
Rated
27
Verified Reviews
Top Rated Installer in Cardiff

Frequently Asked Questions about SurgePV

Learn what others asked before getting SurgePV. And be informed about our price options and our services.

How much does it cost to install solar panels in Cardiff?

The average cost of solar panel installation in Cardiff ranges from £4,000 to £8,000 depending on system size and energy needs.

How can I analyze shading and optimize my solar designs for maximum efficiency?

Top-rated residential solar companies in Cardiff are known for quality service, customer support, and strong warranties. Check reviews before choosing.

Can your software help me understand the financial impact of my solar projects?

Yes, residents in Cardiff can benefit from the UK Smart Export Guarantee and other local energy incentives to offset installation costs.