Solar Panels in Johnstone
United Kingdom · 55.83°N, 4.52°W
Solar Potential
857 kWh per kWp installed capacity
Your Solar Savings Estimate
Configure system size and battery to see realistic savings
Annual Output
4,287kWh
Net Annual Savings
€435
Payback Period
15.5 yrs
25-Year Net
€7,207
Savings Breakdown
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
| Month | Energy (kWh) | Irradiation (kWh/m²) |
|---|---|---|
| January | 112 | 27 |
| February | 203 | 48 |
| March | 363 | 87 |
| April | 527 | 128 |
| May | 580 | 143 |
| June | 560 | 141 |
| July | 558 | 141 |
| August | 490 | 122 |
| September | 375 | 92 |
| October | 259 | 63 |
| November | 165 | 39 |
| December | 95 | 24 |
| Total | 4,287 | 1,055 |
Environmental Impact
CO2 Saved Per Year
999 kg
Equivalent Trees Planted
45 trees
Optimal Panel Angle
40° tilt
Technical Details
- Data Source
- EU PVGIS v5.3
- Coordinates
- 55.82906°N, 4.51605°W
- System Loss
- 14%
- Optimal Inclination
- 40°
- Optimal Azimuth
- 6°
- Yearly Irradiation
- 1055 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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