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Solar Panels in LL61 Llanfairpwllgwyngyll

North Wales • Wales • 1338 sun hours/year

Homes in LL61 save an average of

£665/year

with solar panels • 8.9-year payback

MCS Certified Installers RECC Consumer Code Which? Trusted Traders
£665
Annual Savings
8.9 yrs
Payback Period
£9,759
25-Year Profit
0.7t
CO₂ Saved/Year

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Solar Panel Potential in Llanfairpwllgwyngyll (LL61)

Postcode district LL61 receives approximately 1338 hours of sunshine per year, making it a viable location for solar panels in the UK. A typical 4kW system here generates around 3,746 kWh of electricity annually.

Of this, roughly half (1,873 kWh) is used directly in your home, saving you £440 on electricity bills at the current rate of 23.5p/kWh. The remaining 1,873 kWh is exported to the grid under the Smart Export Guarantee, earning you an additional £225 per year at 12p/kWh.

Solar Panel Costs in LL61

The average cost of a 4kW solar panel system in the Wales region is approximately £5,900. This includes panels, inverter, mounting, and installation by an MCS-certified installer. Prices have fallen over 60% in the last decade, and 0% VAT currently applies.

At £665 annual savings, the system pays for itself in 8.9 years, then generates profit for a further 16 years — a total 25-year return of £9,759.

Year-by-Year Savings Breakdown

Payback Timeline

Pays for itself in 8.9 years → 16+ years of profit
Year 1 Payback: Year 9 Year 25
Year Generation (kWh) Annual Savings Cumulative
1 3,746 £665 £-5,235
2 3,727 £662 £-4,573
3 3,709 £659 £-3,914
4 3,690 £655 £-3,259
5 3,672 £651 £-2,608
6 3,653 £648 £-1,960
7 3,635 £645 £-1,315
8 3,617 £642 £-673
9 3,599 £639 £-34
10 3,581 £636 +£602
11 3,563 £633 +£1,235
12 3,545 £630 +£1,865
13 3,527 £626 +£2,491
14 3,510 £623 +£3,114
15 3,492 £620 +£3,734
16 3,475 £616 +£4,350
17 3,457 £613 +£4,963
18 3,440 £610 +£5,573
19 3,423 £607 +£6,180
20 3,406 £604 +£6,784
21 3,389 £601 +£7,385
22 3,372 £598 +£7,983
23 3,355 £595 +£8,578
24 3,338 £592 +£9,170
25 3,321 £589 +£9,759

How LL61 Compares to the UK Average

LL61 Llanfairpwllgwyngyll £665
UK Average £684
LL61 Sun Hours 1,338
UK Average 1,353
LL61 Payback 8.9
UK Average 9.4

Nearby Areas Compared

Area Sun Hours Annual Savings Payback
LL61 Llanfairpwllgwyngyll 1338hrs £665/yr 8.9 yrs
LL60 Gaerwen 1337hrs £665/yr 8.9 yrs
LL62 Bodorgan 1339hrs £666/yr 8.9 yrs
LL63 Ty Croes 1340hrs £666/yr 8.9 yrs

Battery Storage in LL61

With 3,746 kWh of annual generation, adding a battery could increase your self-consumption from 50% to 80%, boosting annual savings significantly.

Is battery storage worth it in LL61? →

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How We Calculated These Figures

Our estimates are based on 1338 annual sun hours for the Wales region, a standard 4kW system with south-facing orientation, and 50% self-consumption ratio. Electricity savings use the current average tariff of 23.5p/kWh, and export income uses the Smart Export Guarantee average of 12p/kWh. Panel degradation of 0.5% per year is factored into 25-year projections.

Actual savings will vary based on your roof orientation, shading, energy usage patterns, chosen system size, and installer pricing. We recommend getting at least 3 quotes from MCS-certified installers for accurate pricing.

Nearby Areas

Frequently Asked Questions

How much can I save with solar panels in LL61?

Homes in LL61 Llanfairpwllgwyngyll save an average of £665 per year with a typical 4kW solar panel system. This is based on 1338 annual sun hours, generating 3,746 kWh of electricity. Over 25 years, the total profit after system costs is £9,759.

What is the payback period for solar panels in LL61?

The average payback period for a 4kW solar panel system in LL61 is 8.9 years. After that, you enjoy 16 or more years of pure profit from reduced electricity bills and Smart Export Guarantee payments.

How many solar panels do I need for a home in LL61?

A typical 4kW system uses 10-12 solar panels (depending on panel wattage, typically 350-400W each). This suits most 3-4 bedroom homes. For exact sizing, get a quote from an MCS-certified installer who will assess your roof space and orientation.

Is solar worth it in LL61 Llanfairpwllgwyngyll?

Yes. With 1338 sun hours per year (£19 below the UK average savings), LL61 is a viable location for solar. A 4kW system costs approximately £5,900 and pays for itself in 8.9 years, then generates profit for 15+ more years.

What grants are available for solar panels in LL61?

Solar panels in the UK currently benefit from 0% VAT (until at least 2027), reducing upfront costs. You may also be eligible for the ECO4 scheme if you receive certain benefits. The Smart Export Guarantee pays you for electricity you export to the grid — the average rate in your area is 12p/kWh.

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