20 Panel System

195 Watt Solar panels

  • Tax free Feed in tariff (FIT) at 21p / KWh.
  • Based on initial electrical costs of 14p / unit.
  • Based on a 8% yearly increase of electricity costs.
  • Export based on 3p / unit.
  • Maintenance costs included within calculations.
  • Panel performance guarantee for 25 years.

All calculations have been based on SAP figures, manufacturers data indicates better performance than SAP figures. Therefore figures below can be taken as a conservative estimate.

Installed cost

£10,000

Predicted generation (KWh / year)

3433

Year 1 profit    / ROI

£1,012 – ROI 12.08%

Year 5 profit    / ROI

£1,099 – ROI 14.27%

Year 10 profit  / ROI

   £1,253 – ROI 17.75%

Year 15 profit  / ROI

£1,330 – ROI 20.11%

Year 20 profit  / ROI

£1,628 – ROI 25.66%

Year 25 profit  / ROI

£1,837 – ROI 29.91%

TOTAL PROFIT (after 25 years)

£30,307

Click Here for Break down chart for this install

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