Top 10 Solar Panel Installers in Wales
Choosing the right solar panel installer in Wales can make a major difference to the performance, reliability and long-term value of your solar system. A good installer will not only fit panels on your roof; they will assess your property properly, recommend the right system size, explain battery storage options, manage compliance, and support you after installation.
Wales has a strong mix of renewable energy companies, from local specialists in North Wales, West Wales and South Wales to larger installers covering homes across England and Wales. To help you compare your options, we’ve ranked the top solar panel installers in Wales based on service range, regional coverage, accreditation signals, customer feedback, and overall suitability for Welsh homeowners and businesses.
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Our Top 10 Solar Panel Installers in Wales
| Rank | Installer | Best For | Main Wales Coverage |
|---|---|---|---|
| 1 | Simple Green Energy | Best overall solar and home energy upgrade installer | England and Wales |
| 2 | Smart Energy Homes | Best Welsh-based home energy installer | Wales and England |
| 3 | Green Energy Solar | Best for South Wales | Cardiff, Newport, Swansea and South Wales |
| 4 | OVO Solar & Heating South Wales | Best national-brand local service | South Wales |
| 5 | Solar North | Best for North Wales aftercare | North Wales and North West England |
| 6 | Solŵr Wales | Best for West Wales commercial solar | Pembrokeshire, Ceredigion and Carmarthenshire |
| 7 | Dragon Renewable Energy | Best one-stop renewable installer | North Wales and wider UK |
| 8 | JM Renewables | Best for North Wales and North West coverage | North Wales and North West England |
| 9 | Renewable Future Wales | Best for West Wales home energy upgrades | Pembrokeshire, Carmarthenshire and Ceredigion |
| 10 | Goodwin Electrical | Best North Wales local installer | North Wales |
1. Simple Green Energy — Best Overall Solar Panel Installer in Wales
Simple Green Energy takes the top spot because it offers much more than a standard solar panel installation service. The company provides solar panels, battery storage, air source heat pumps, boilers, insulation, ventilation and EV chargers across England and Wales, making it a strong choice for homeowners who want a complete energy-efficiency upgrade rather than a one-off solar installation.
What makes Simple Green Energy stand out is its whole-home approach. Many Welsh homeowners considering solar are also thinking about battery storage, heating upgrades, EV charging or insulation. Simple Green Energy brings these services together, helping customers plan a more joined-up route to lower energy bills and a more efficient property.
Simple Green Energy also has strong public accreditation signals. TrustMark lists Simple Green Energy Limited for solar panel installers under MCS, battery storage systems under MCS, electricians and other home energy trades, with NAPIT shown as the scheme provider. Its Trustpilot profile also shows customer feedback for Simple Green Energy Ltd, with reviews mentioning professional staff and efficient service.
Good to know:
Simple Green Energy is a strong option for homeowners who want solar panels, battery storage and broader energy-efficiency upgrades from one provider. It is especially suited to customers who want a company that can support solar, heating, insulation and EV charging under one roof.
Best for: Homeowners in Wales who want a solar installer that can also support wider home energy improvements.
2. Smart Energy Homes — Best Welsh-Based Home Energy Installer
Smart Energy Homes is one of the strongest Welsh-based choices on this list. Based in Cwmbran, the company provides professional energy solutions for homes across Wales and England, including solar panels, air source heat pumps, boiler replacements and battery storage. Its website states that its MCS-accredited engineers deliver safe, efficient and tailored installations.
This makes Smart Energy Homes a great fit for homeowners who want a local Welsh company with a broad energy-efficiency offering. Rather than only focusing on solar PV, the company can look at how solar works alongside heating, storage and other home upgrades. That joined-up thinking is valuable if you want to reduce grid reliance and improve overall home performance.
Smart Energy Homes also has a strong Trustpilot profile, with an Excellent TrustScore and hundreds of reviews listed for the company.
Good to know:
Smart Energy Homes is a strong choice if you want a Wales-based installer that can handle solar panels, batteries and wider home energy upgrades. It is particularly suitable for homeowners looking for a more consultative approach.
Best for: Welsh homeowners who want a local company with solar and broader home energy expertise.
3. Green Energy Solar — Best for South Wales
Green Energy Solar is a standout choice for homeowners in Cardiff, Newport, Swansea and the wider South Wales region. The company designs, installs and maintains solar panel systems across South Wales, with its installations backed by QANW insurance-backed guarantees and MCS-accredited installation teams.
The company’s own website also highlights in-house installation experts, tailored solar and battery storage systems, and QANW-backed guarantees. That matters because a reliable solar installation depends on proper design, good equipment selection and a clean installation process — not just the panel brand.
Green Energy Solar is especially appealing for customers who want a South Wales specialist rather than a general national installer. Its local coverage and focus on solar-plus-battery systems make it a practical choice for homes and businesses looking to generate and store more of their own electricity.
Good to know:
Green Energy Solar is well suited to homeowners in Cardiff, Newport, Swansea and nearby South Wales areas who want a local solar PV and battery storage specialist.
Best for: South Wales customers who want local expertise and a tailored solar installation.
4. OVO Solar & Heating South Wales — Best National-Brand Local Service
OVO Solar & Heating South Wales is a strong option for homeowners who want a recognised energy brand combined with local installation support. Its South Wales Trustpilot profile shows a strong rating and customer comments about solar installations, quick progress, tidy work and professional installers.
OVO Solar & Heating’s wider Trustpilot profile also lists South Wales as one of its locations and includes recent solar installation reviews from customers praising the process, installation teams and aftercare.
This installer is a good match for customers who want a structured process, a recognisable brand and a regional team. It may appeal to homeowners who like the reassurance of dealing with a larger name while still working with installers familiar with South Wales properties.
Good to know:
OVO Solar & Heating South Wales is a good fit for homeowners who want a balance of brand recognition, regional service and a guided solar installation process.
Best for: South Wales homeowners who want a national-brand experience with local installation support.
5. Solar North — Best for North Wales Aftercare
Solar North is a strong choice for North Wales homeowners and businesses looking for solar panels, battery storage, EV charging and renewable heating support. The company describes itself as a leading renewables company offering sustainable energy solutions for homes and businesses across North Wales.
A key reason Solar North ranks highly is its aftercare focus. TrustMark lists Solar North Limited for MCS solar PV installation, maintenance and replacement, as well as MCS battery storage installation, maintenance, repairs and replacement. This is important because the best solar experience does not end once the panels are fitted.
Solar North also has public customer feedback on Trustpilot, where its profile references a 5-year insurance-backed warranty and no-deposit installation approach.
Good to know:
Solar North is a particularly strong option for North Wales customers who want solar PV, battery storage and long-term support from a regional renewables specialist.
Best for: North Wales homeowners and businesses that value maintenance and aftercare.
6. Solŵr Wales — Best for West Wales Commercial Solar
Solŵr Wales is one of the strongest West Wales installers, especially for commercial, agricultural and rural solar projects. The company says it has more than 20 years of experience installing solar PV for businesses across Pembrokeshire, Ceredigion and Carmarthenshire.
Its Which? Trusted Traders profile says Solŵr Wales installs and maintains solar PV systems for domestic and business premises across Pembrokeshire, Carmarthenshire and Ceredigion, and describes the company as MCS and NICEIC certified with HIES Quality Assurance Accreditation.
Solŵr Wales is a strong fit for farms, holiday parks, rural businesses, commercial sites and homeowners in West Wales who want a company with deep regional experience. Its commercial background gives it an advantage for larger or more complex projects.
The grant can reduce the cost, but it may not cover all extras. London installations may involve additional electrical work, longer cable runs, permission delays or building-management requirements.
Good to know:
Solŵr Wales is ideal for West Wales customers looking for an experienced solar PV company with strong commercial, agricultural and rural expertise.
Best for: Businesses, farms and larger properties across Pembrokeshire, Ceredigion and Carmarthenshire.
7. Dragon Renewable Energy — Best One-Stop Renewable Installer
Dragon Renewable Energy is based in North Wales and offers a wide range of renewable technologies, including solar panels, battery storage, air source heat pumps and ground source heat pumps. Its website describes the company as a local renewable energy specialist and a one-stop shop for renewable energy needs.
The company is also listed on TrustMark, with its registered address in Corwen, Denbighshire. Its public profiles describe Dragon Renewable Energy as MCS accredited for the design and installation of heat pumps, solar PV and batteries.
This makes Dragon Renewable Energy a strong option for customers who want solar as part of a bigger move toward renewable home energy. If you are considering solar panels alongside battery storage or a heat pump, working with a multi-technology installer can make planning easier.
Good to know:
Dragon Renewable Energy is a good choice for North Wales homeowners and businesses that want solar PV, battery storage and renewable heating technologies from one company.
Best for: Customers planning a wider renewable energy upgrade, not just solar panels.
8. JM Renewables — Best for North Wales and North West Coverage
JM Renewables is a strong regional installer serving North Wales and the North West. The company describes itself as a North Wales renewable energy design, supply, installation and commissioning expert, offering solar PV and battery storage solutions.
JM Renewables also states that it has more than 15 years of experience installing solar PV across North Wales, with MCS-certified installation expertise. TrustMark lists J M Renewable Solutions Limited for MCS solar panel installation, maintenance and replacement, as well as MCS battery storage work.
This makes JM Renewables a practical option if you want both installation and future support. Its combination of solar PV, batteries, heat pumps and wider renewable services makes it suitable for homeowners, businesses and larger property projects.
Good to know:
JM Renewables is a strong choice for customers in North Wales who want solar PV, battery storage and renewable energy design expertise from an established regional installer.
Best for: North Wales and North West customers looking for an experienced solar and battery installer.
9. Renewable Future Wales — Best for West Wales Home Energy Upgrades
Renewable Future Wales is a West Wales installer serving Pembrokeshire, Carmarthenshire and Ceredigion. The company installs solar panels, air source heat pumps, battery storage and EV charging points, and describes itself as an MCS-certified renewable energy installer.
It is also a Which? Trusted Trader and highlights MCS certification, verified customer reviews and local renewable energy expertise.
Renewable Future Wales is a good fit for homeowners in rural and coastal West Wales who want a local installer that understands the area and can support more than one technology. If you are planning solar now and may later add a battery, EV charger or heat pump, this company is worth comparing.
Good to know:
Renewable Future Wales is ideal for homeowners in Pembrokeshire, Carmarthenshire and Ceredigion who want solar panels as part of a wider energy upgrade.
Best for: West Wales homeowners looking for solar, batteries, EV charging and heat pump support.
10. Goodwin Electrical — Best North Wales Local Installer
Goodwin Electrical is a North Wales solar installer specialising in solar PV and battery storage. The company describes itself as an award-winning, 5-star rated, MCS-certified and NICEIC-approved installer for high-efficiency solar panel installations in North Wales.
Its dedicated North Wales solar page also says it designs and installs solar PV and battery storage systems for homeowners and businesses across the region.
Goodwin Electrical is a strong option if you want a local North Wales installer with electrical expertise as well as solar PV experience. This can be particularly useful when your project involves battery storage, EV charging or electrical upgrades alongside the panels.
Good to know:
Goodwin Electrical is a solid local choice for North Wales customers who want solar PV, battery storage and electrical installation expertise from one team.
Best for: North Wales homeowners and businesses looking for a local solar and electrical specialist.
How We Ranked the Best Solar Panel Installers in Wales
We ranked these installers based on the factors that matter most when choosing a solar company in Wales:
- Clear Wales coverage
- Solar PV installation experience
- Battery storage capability
- Public accreditation signals
- Customer review strength
- Local or regional expertise
- Range of related services
- Suitability for homes, businesses or rural properties
- Aftercare, maintenance or warranty support
MCS is one of the most important quality marks to check when choosing a solar installer in the UK. MCS describes itself as the UK’s quality mark for small-scale renewable technologies, including solar panels, heat pumps and battery storage.
How to Choose the Right Solar Installer in Wales
The best solar panel installer for you depends on your property, your roof, your location and your long-term energy plans. A homeowner in Cardiff may need a different installer from a farm in Pembrokeshire or a rural property in North Wales.
Before choosing an installer, ask for:
- Proof of MCS certification
- A detailed written quote
- Expected annual generation figures
- Battery storage recommendations
- Product and workmanship warranty details
- Scaffolding and roof access costs
- DNO/grid connection handling
- Aftercare and maintenance options
- Clear timelines for installation
A good installer should explain the system clearly, avoid unrealistic savings claims and give you time to compare quotes. Avoid companies that pressure you into signing quickly or provide vague pricing without a proper survey.
Final Verdict
If you want the best all-round option, Simple Green Energy takes the top spot because of its wide service range, England and Wales coverage, solar and battery capability, and whole-home energy approach.
For a Welsh-based provider, Smart Energy Homes is one of the strongest choices. For South Wales, Green Energy Solar and OVO Solar & Heating South Wales stand out. For North Wales, Solar North, Dragon Renewable Energy, JM Renewables and Goodwin Electrical are all strong options. For West Wales, Solŵr Wales and Renewable Future Wales deserve close attention.
The right installer should not just install panels. They should design a system around your home, explain the numbers clearly, manage the compliance properly and support you after installation.
Frequently asked questions (FAQs)
Simple answers about choosing the best solar panel installer in Wales, including South Wales, North Wales, West Wales, local installers, national companies, quotes, accreditation and aftercare. Speak to Simple Green Energy.
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