SolarSolar Panels in TN38 St Leonards On Sea
Kent • South East • 1487 sun hours/year
Homes in TN38 save an average of
with solar panels • 9.1-year payback
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Solar Panel Potential in St Leonards On Sea (TN38)
Postcode district TN38 receives approximately 1487 hours of sunshine per year, making it an above-average location for solar panels in the UK. A typical 4kW system here generates around 4,164 kWh of electricity annually.
Of this, roughly half (2,082 kWh) is used directly in your home, saving you £510 on electricity bills at the current rate of 24.5p/kWh. The remaining 2,082 kWh is exported to the grid under the Smart Export Guarantee, earning you an additional £250 per year at 12p/kWh.
Solar Panel Costs in TN38
The average cost of a 4kW solar panel system in the South East region is approximately £6,900. 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 £760 annual savings, the system pays for itself in 9.1 years, then generates profit for a further 15 years — a total 25-year return of £11,002.
Year-by-Year Savings Breakdown
Payback Timeline
| Year | Generation (kWh) | Annual Savings | Cumulative |
|---|---|---|---|
| 1 | 4,164 | £760 | £-6,140 |
| 2 | 4,143 | £757 | £-5,383 |
| 3 | 4,122 | £752 | £-4,631 |
| 4 | 4,102 | £748 | £-3,883 |
| 5 | 4,081 | £745 | £-3,138 |
| 6 | 4,061 | £741 | £-2,397 |
| 7 | 4,041 | £737 | £-1,660 |
| 8 | 4,020 | £734 | £-926 |
| 9 | 4,000 | £730 | £-196 |
| 10 | 3,980 | £727 | +£531 |
| 11 | 3,960 | £723 | +£1,254 |
| 12 | 3,941 | £719 | +£1,973 |
| 13 | 3,921 | £715 | +£2,688 |
| 14 | 3,901 | £712 | +£3,400 |
| 15 | 3,882 | £709 | +£4,109 |
| 16 | 3,862 | £705 | +£4,814 |
| 17 | 3,843 | £702 | +£5,516 |
| 18 | 3,824 | £697 | +£6,213 |
| 19 | 3,805 | £694 | +£6,907 |
| 20 | 3,786 | £691 | +£7,598 |
| 21 | 3,767 | £687 | +£8,285 |
| 22 | 3,748 | £684 | +£8,969 |
| 23 | 3,729 | £681 | +£9,650 |
| 24 | 3,711 | £678 | +£10,328 |
| 25 | 3,692 | £674 | +£11,002 |
How TN38 Compares to the UK Average
Nearby Areas Compared
| Area | Sun Hours | Annual Savings | Payback |
|---|---|---|---|
| TN38 St Leonards On Sea | 1487hrs | £760/yr | 9.1 yrs |
| TN37 St Leonards On Sea | 1486hrs | £760/yr | 9.1 yrs |
| TN39 Bexhill On Sea | 1488hrs | £760/yr | 9.1 yrs |
| TN40 Bexhill On Sea | 1391hrs | £711/yr | 9.7 yrs |
Battery Storage in TN38
With 4,164 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 TN38? →Get 3 Free Solar Quotes in St Leonards On Sea
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How We Calculated These Figures
Our estimates are based on 1487 annual sun hours for the South East region, a standard 4kW system with south-facing orientation, and 50% self-consumption ratio. Electricity savings use the current average tariff of 24.5p/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 TN38?
Homes in TN38 St Leonards On Sea save an average of £760 per year with a typical 4kW solar panel system. This is based on 1487 annual sun hours, generating 4,164 kWh of electricity. Over 25 years, the total profit after system costs is £11,002.
What is the payback period for solar panels in TN38?
The average payback period for a 4kW solar panel system in TN38 is 9.1 years. After that, you enjoy 15 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 TN38?
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 TN38 St Leonards On Sea?
Yes. With 1487 sun hours per year (£76 above the UK average savings), TN38 is an above-average location for solar. A 4kW system costs approximately £6,900 and pays for itself in 9.1 years, then generates profit for 15+ more years.
What grants are available for solar panels in TN38?
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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