Solar panels for Welsh homes

Solar Panels Installed Across South Wales

Generate your own clean electricity, reduce reliance on the grid and get practical advice from a local Welsh renewable energy team.

Established 2013
Local Welsh Installers
Free Home Surveys
Solar, Batteries & EV Advice

Why homeowners are asking about solar

Rising energy costs have made solar feel a lot more practical.

Most of the conversations we have with homeowners start in the same place: electricity bills feel unpredictable, and people want more control over what they use during the day.

Solar PV can be a strong fit for many homes in Swansea, Carmarthen, Llanelli, Neath, Cardiff and across South Wales. The right answer depends on your roof, shading, daytime usage and whether battery storage makes sense for how you live.

We’ll look at the property properly before recommending a system. Sometimes that means solar only. Sometimes solar and battery storage is the better long-term setup.

What you can expect

Designed around your home, not a one-size-fits-all package.

From £5,995

Typical starting price for a straightforward home solar installation.

25+ years

Solar panels are built for long-term generation with manufacturer warranties.

SEG

You may be able to export unused electricity through the Smart Export Guarantee.

Battery ready

We can design systems with storage now or discuss adding batteries later.

Simple explanation

How home solar PV works

1

Panels generate electricity

Solar panels turn daylight into electricity. They still work in Welsh weather, although output is higher in bright conditions.

2

Your home uses it first

The power generated can support appliances, lighting, home working, EV charging and other everyday electrical use.

3

Store or export the rest

Excess electricity can be stored in a home battery or exported to the grid, depending on your system and tariff.

Battery storage

Make more of the power your panels generate.

Many Welsh homes use less electricity during the middle of the day, when solar generation can be at its strongest. Battery storage helps you keep more of that energy for the evening, overnight or peak tariff periods.

  • Store unused solar electricity for later in the day.
  • Reduce reliance on expensive grid electricity where the setup is suitable.
  • Get advice alongside EV chargers, heat pumps and home electrification.

A practical survey process

What we check before recommending solar

Roof and shading

We look at orientation, available roof space, shading from trees or chimneys and whether the roof is suitable.

Usage pattern

Daytime usage, home working, EV charging and future heating plans all affect the best system size.

Battery options

We’ll explain when battery storage is useful and when a simpler solar-only system may be enough.

Clear proposal

You’ll get straightforward advice, realistic expectations and a quote based on the property.

Why choose Celtic Green Energie

A local renewable energy team, not just a panel supplier.

Based in Wales

We work across South, Mid and West Wales and understand the homes, roofs and weather our customers are dealing with.

Home energy expertise

Our team can advise on solar panels, battery storage, EV chargers and heat pumps together.

Honest advice

If a roof, layout or usage pattern means solar is not the best fit, we’ll say so before you spend money.

Recent installations across Wales

Real homes, practical energy improvements.

Llanelli

Solar Panel Installation

A home solar system designed to reduce reliance on grid electricity.

Cardiff

Roof Mounted Solar PV

Panels installed on a family home with a focus on daytime usage.

Carmarthen

Solar & Storage Advice

Survey-led advice for a homeowner comparing solar-only and battery options.

Local coverage

Solar panel installations across South Wales.

We regularly speak with homeowners in Swansea, Llanelli, Neath, Cardiff and Carmarthen who want clear advice before choosing solar.

Some are looking to bring down daytime electricity use. Others are planning ahead for a battery, EV charger or heat pump. We’ll help you understand what makes sense for the property.

  • Solar panels in Swansea and surrounding communities.
  • Home solar PV in Llanelli, Neath and Carmarthen.
  • Solar and battery advice for homes across Cardiff and South Wales.

Ready to see whether solar is right for your home?

Book a free home survey and we’ll give you practical advice on the right system size, battery options and expected performance for your property.

Get a Free Quote

Connected home energy

Planning solar alongside the rest of your home?

Solar is often one part of a bigger home energy plan. If you’re thinking about battery storage, EV chargers or heat pumps, we can look at the whole picture rather than treating each product separately.

That matters because your future electricity use can change the way a solar system should be designed.

Solar panel FAQs

Questions homeowners ask us during surveys

How much do solar panels cost in Wales?

A straightforward home solar installation can start from around £5,995. Final pricing depends on system size, roof access, panel choice, scaffolding, inverter choice and whether battery storage is included.

Do solar panels work in Welsh weather?

Yes. Solar panels use daylight, not just direct sunshine. Output is lower on darker days, but modern solar PV systems still generate electricity in cloudy conditions.

Do I need battery storage with solar panels?

Not always. Battery storage can be useful if you generate more than you use during the day, or if you want to use more of your solar electricity in the evening. We’ll talk this through during the survey.

Do solar panels need much maintenance?

Solar panels are generally low maintenance. Rain helps keep panels clear in many cases, but it is sensible to keep an eye on shading, debris and system monitoring.

Do I need planning permission?

Most standard domestic solar panel installations fall under permitted development. Listed buildings, conservation areas, unusual roof layouts or ground-mounted systems may need extra checks.

Can solar work with an EV charger or heat pump?

Yes, and it is worth planning ahead. If you expect to add an EV charger or heat pump, we can factor that future electricity use into the solar and battery conversation.

Free solar quote

Get practical advice before choosing a system.

Tell us a little about your home and we’ll come back to you about a free survey. No pressure, just clear advice from a local Welsh team.

  • We’ll look at roof suitability and likely system size.
  • We can advise on solar-only or solar with battery storage.
  • You’ll get a quote based on your property and energy use.
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