Solar Panels in Portsmouth

United Kingdom · 50.80°N, 1.09°W

2out of 5

Solar Potential

Moderate

1,122 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

5,609kWh

Net Annual Savings

€542

Payback Period

12.4 yrs

25-Year Net

€10,584

Savings Breakdown

Self-consumed (22% of 5,609 kWh)1,234 kWh × 0.280 €/kWh
→ Savings from own usage+€346
Injected to grid (78% of production)4,375 kWh × 0.045 €/kWh
→ Feed-in revenue+€197
Net Annual Savings€542
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

217 kWh
298 kWh
485 kWh
637 kWh
668 kWh
681 kWh
686 kWh
600 kWh
517 kWh
364 kWh
258 kWh
197 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January21750
February29869
March485115
April637155
May668165
June681171
July686174
August600151
September517128
October36488
November25861
December19746
Total5,6091,374

Environmental Impact

CO2 Saved Per Year

1,307 kg

Equivalent Trees Planted

59 trees

Optimal Panel Angle

40° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
50.79899°N, 1.09125°W
System Loss
14%
Optimal Inclination
40°
Optimal Azimuth
2°
Yearly Irradiation
1374 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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