Solar Panels in Dumbarton

United Kingdom · 55.94°N, 4.57°W

1out of 5

Solar Potential

Low

863 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

Annual Output

4,316kWh

Net Annual Savings

€438

Payback Period

15.4 yrs

25-Year Net

€7,303

Savings Breakdown

Self-consumed (24% of 4,316 kWh)1,036 kWh × 0.280 €/kWh
→ Savings from own usage+€290
Injected to grid (76% of production)3,280 kWh × 0.045 €/kWh
→ Feed-in revenue+€148
Net Annual Savings€438
Installation cost (5 kWp × 1,350 €/kWp)€6,750

United Kingdom Solar Policy

Smart Export Guarantee (SEG): £0.03-0.05/kWh typical, up to £0.25 with battery. 0% VAT on solar + battery.

Source: Ofgem, UK BEIS

The savings estimates shown are for informational purposes only and do not constitute financial advice. Actual savings depend on your specific installation, roof condition, shading, consumption patterns, and future electricity price changes. Feed-in tariffs and regulations change frequently. Always obtain quotes from certified installers and consult a financial advisor before making investment decisions.

Monthly Energy Production

121 kWh
206 kWh
367 kWh
527 kWh
583 kWh
558 kWh
560 kWh
494 kWh
378 kWh
257 kWh
167 kWh
98 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January12129
February20649
March36787
April527128
May583144
June558140
July560142
August494123
September37893
October25762
November16740
December9824
Total4,3161,061

Environmental Impact

CO2 Saved Per Year

1,006 kg

Equivalent Trees Planted

46 trees

Optimal Panel Angle

40° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
55.94433°N, 4.57061°W
System Loss
14%
Optimal Inclination
40°
Optimal Azimuth
4°
Yearly Irradiation
1061 kWh/m2
Retail Electricity Price
0.280 EUR/kWh
Feed-in Tariff
0.045 EUR/kWh
Install Cost
1,350 EUR/kWp

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