Solar Panels in Anglesey
Anglesey in Wales generates 880 kWh per kWp, about 4% below the UK average of 920 kWh/kWp. As an island off the northwest coast of Wales, Anglesey benefits from clearer maritime air and is one of Wales's sunniest areas, with its flat terrain ideal for solar installations.
49 MCS-certified solar installers currently listed serving Anglesey, 18 based in the county, averaging 4.6/5 on Google across 761 reviews. Browse solar panel installers in Anglesey →
MCS-Certified Solar Installers in Anglesey
49 MCS-certified solar panel installers serving Anglesey (18 based in Anglesey), ranked local-first by review score. Local installers average 4.6/5 on Google from 761 reviews.
Anglesey Solar and Electrical Ltd
anglesey, conwy, gwynedd
Arc Electrical Engineering Solutions Ltd
blaenau-gwent, bridgend, bristol +9 more
Barri Davies Electrical Ltd
carmarthenshire, ceredigion, pembrokeshire
Highadmit Projects Ltd
anglesey
Menai Heating Limited
anglesey
North Wales Renewables Ltd
anglesey
PF&S Ltd
anglesey, conwy, gwynedd
R&S Energy Solutions Ltd
blaenau-gwent, bridgend, bristol +9 more
SIW Eco Energy Ltd
blaenau-gwent, bridgend, caerphilly +7 more
Solar Harvester
anglesey, cheshire, conwy +4 more
How much solar energy can you generate in Anglesey?
| Metric | Value |
|---|---|
| Solar Yield | 880 kWh/kWp |
| 4kWp Output | 3,520 kWh/yr |
| Sunshine Hours | 1,490 hrs/yr |
| Rainfall | 870 mm/yr |
| Household Coverage | 93% of avg use |
| UK Rank | #50 of 102 counties |
| Est. MCS Installs (2025) | 350 |
How solar panels save money in Anglesey
Save on Electricity Bills
A 4kWp solar system in Anglesey generates approximately 3,520 kWh per year, covering 93% of average household use and saving an estimated £627+ annually.
0% VAT Saves ~£1,000
Residential solar panel installations are zero-rated for VAT until at least March 2027. This saves approximately £1,000 on a typical installation.
Smart Export Guarantee (SEG)
Sell surplus electricity back to the grid through the Smart Export Guarantee. Licensed suppliers must offer export tariffs to small-scale generators. Rates are typically around 13p/kWh, with the best available reaching 15p/kWh depending on supplier.
Increase Property Value
Solar panels improve your EPC rating and can increase your property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs.
ECO4 for Eligible Homes
The Energy Company Obligation (ECO4) scheme can fund solar panels for low-income and vulnerable households. Check eligibility with your energy supplier or local authority.
25+ Year Lifespan
Modern solar panels last 25–30 years with minimal maintenance. In Anglesey, a typical system pays for itself in 11–13 years, leaving 12+ years of near-free electricity.
Good Solar Potential
Anglesey in Wales benefits from Atlantic-influenced weather patterns. South-facing roofs in Wales perform well for solar, and Welsh Government energy schemes provide additional support.
Government solar incentives for Anglesey homes
UK homeowners in Anglesey benefit from 0% VAT on solar installations, the Smart Export Guarantee for surplus electricity, and potential ECO4 funding for eligible households. An estimated 350 MCS-certified installations were completed in Anglesey in 2025.
| System Size | Grant Amount | Typical Net Cost |
|---|---|---|
| 0% VAT | Saves ~£1,300–£1,700 | All residential installs |
| Smart Export Guarantee | 13–15p/kWh exported | Ongoing income |
| ECO4 (if eligible) | Up to 100% funded | Low-income households |
Costs shown exclude VAT (0% for residential). Actual costs vary by installer and roof type. The UK has no universal residential solar grant. Incentives are through VAT relief, export payments, and targeted schemes.
Typical 4kWp System Cost Breakdown
Based on average 4kWp installation costs in Anglesey. 0% VAT applies to residential solar installations. Actual costs vary by installer and roof type.
Frequently Asked Questions About Solar Panels in Anglesey
How much do solar panels cost in Anglesey?
A typical 4kWp solar panel system in Anglesey costs between £6,600–£8,500 with 0% VAT included. The zero-rate VAT alone saves approximately £1,300–£1,700 compared to the standard 20% rate. The system generates around 3,520 kWh per year, paying for itself in 11–13 years through electricity savings and Smart Export Guarantee income of 13–15p/kWh. Adding a home battery (5–10 kWh) costs an additional £3,000–£6,500 and also benefits from 0% VAT. Larger systems of 5–6 kWp (12–14 panels) cost £8,300–£12,460. We recommend getting at least three quotes from MCS-certified installers to compare pricing, equipment brands, and warranties.
How much electricity will solar panels generate in Anglesey?
Anglesey receives approximately 1,490 sunshine hours per year, ranking #50 out of 102 regions for solar potential. A standard 4kWp system generates around 3,520 kWh annually, covering 93% of average household electricity consumption (3,800 kWh/year). Output peaks in summer (May–August) and is lower in winter, but annual figures already account for seasonal variation. South-facing roofs at 30–40° produce the maximum yield, while east or west-facing roofs still achieve 80–85% of optimal output. Solar panels also generate electricity on overcast days through diffused light, so the UK climate is well-suited to solar PV.
Are solar panels worth it in Anglesey?
Yes. At 880 kWh per kWp, solar panels in Anglesey generate significant returns. With 0% VAT saving approximately £1,300–£1,700 on installation, electricity savings of around £627+ per year at current rates of 25p/kWh, plus Smart Export Guarantee income of 13–15p/kWh for surplus electricity, a typical system pays for itself in 11–13 years. After payback, you benefit from 12–17 years of near-free electricity as panels last 25–30 years. Total lifetime savings typically reach £15,000–£18,000 depending on self-consumption and energy price trends. Generating your own power also protects against future electricity price rises.
Does Anglesey get enough sun for solar panels?
Yes. The UK receives enough solar radiation for panels to work effectively year-round. Anglesey gets around 1,490 sunshine hours per year with approximately 870mm of annual rainfall. Solar panels generate electricity on cloudy days through diffused light, just at reduced output, typically 10–25% of peak capacity. Germany, which has similar sunshine levels to the UK, is one of the world’s largest solar markets with over 2.5 million systems installed. Even the lowest-yielding UK regions exceed 750 kWh/kWp, making solar panels a worthwhile investment everywhere in the country. The 25-year lifespan of modern panels means you benefit from decades of generation regardless of seasonal variation.
How long does solar panel installation take?
Most residential installations are completed in 1–2 days of on-site work, including scaffolding, panel mounting, inverter installation, and grid connection. The full process from initial survey to completed installation typically takes 2–6 weeks depending on installer availability and DNO requirements. Your MCS-certified installer handles the DNO notification (G98 for systems under 3.68kW, G99 for larger systems). After installation, you can register for the Smart Export Guarantee with your energy supplier to start earning from surplus electricity exported to the grid.
Do I need planning permission for solar panels?
Most residential rooftop installations are classed as permitted development and do not require planning permission, provided the panels do not project more than 200mm from the roof surface. Exceptions include listed buildings, conservation areas, Areas of Outstanding Natural Beauty (AONBs), and World Heritage Sites, where you may need to apply for permission from your local planning authority. Ground-mounted systems are also permitted development if they do not exceed 9m² in area and are not within the curtilage of a listed building. Your MCS-certified installer can advise on any local restrictions that may apply to your property.
Can I sell excess electricity back to the grid?
Yes. Under the Smart Export Guarantee (SEG), licensed electricity suppliers with 150,000+ customers must offer a tariff for small-scale generators who export surplus electricity to the grid. Typical rates are around 13p/kWh, with the best suppliers offering up to 15p/kWh on time-of-use tariffs. You need an MCS-certified installation and a smart meter to be eligible. Your energy supplier will install a smart meter for free if you do not already have one. A typical 4kWp system without battery storage exports around 55–65% of its generation, providing a meaningful income stream alongside your electricity bill savings.
How do I find a solar installer in Anglesey?
Look for MCS-certified installers. This certification is required to be eligible for the Smart Export Guarantee and ensures your system meets recognised quality standards. MCS certification also guarantees that your installer carries appropriate insurance and follows approved installation methods. Get at least 2–3 quotes from different companies and compare equipment brands, warranties (look for 25-year panel warranties and 10–15-year inverter warranties), and customer reviews. You can browse MCS-certified solar installers covering Anglesey on our installer directory, or use our free quote tool to be matched with local companies.
Solar Panels Wales
Anglesey is one of the counties covered in our full Wales guide: Costs, the Nest free solar scheme, Welsh Government grants, and installers across every Welsh county.
Find Solar Installers in Anglesey
Browse MCS-certified solar panel installers covering Anglesey. Compare reviews and get quotes.
Solar Installer Reviews in Anglesey
Read verified Google and Trustpilot reviews of solar installers serving Anglesey.
Solar Panel Savings Calculator
Estimate your savings, cost, and payback period for a system in Anglesey using regional solar data.
Commercial Solar in Anglesey
Costs, capital allowances, and payback for business and warehouse solar systems in Anglesey.
Farm Solar in Anglesey
Agricultural solar for dairy, poultry, and arable farms in Anglesey, with capital allowances and FETF grants.
Solar Panels by Town in Anglesey
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Sources
- Ofgem \u2014 Smart Export Guarantee
- MCS \u2014 Microgeneration Certification Scheme
- HMRC \u2014 0% VAT on Energy Saving Materials
- PVGIS \u2014 Solar Irradiance Data
Last updated: September 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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