Solar Panel System Costs and Benefits

The costs and financial benefits of our solar PV systems depend on your specific property, circumstances and preferences so we can only indicate “typical” figures here. These calculations are based on a Feed-in Tariff generation rate of 4.11p per kWh and an export rate of 4.91p.

System Size

Technical / Performance

Cost

Annual Carbon Benefit

No. of Panels Annual Generation Cost before VAT VAT @ 5% Total Cost Tonnes of CO2
1kWp 4 892 kWh £2,400 £120 £2,520 0.47t
2kWp 8 1784 kWh £3,400 £170 £3,570 0.95t
3kWp 12 2676 kWh £4,300 £215 £4,515 1.42t
4kWp 16 3568 kWh £5,000 £250 £5,250 1.89t

System Size

Financial benefits

Payback Period

Feed-in-Tariff Revenue Export Payment Imported Energy Savings Annual Cost Saving
1kWp £37 £22 £62 £121 15 years
2kWp £75 £44 £125 £244 11 years
3kWp £112 £66 £187 £365 10 years
4kWp £149 £88 £250 £487 9 years

Notes

  • Feed-in-Tariff payments are guaranteed for 20 years
  • Feed-in-Tariff payments are index-linked to inflation and will rise by RPI every year
  • Feed-in-Tariff payments are not subject to income tax

Assumptions

  • Annual inflation of 2%
  • Electricity price inflation of 5%
  • Electricity price of 14p per kWh
  • Little or no shading
  • South-facing roof
  • Roof pitch of 30-40 degrees
  • Located in Yorkshire region

Official Disclaimer

“The performance of solar PV systems is impossible to predict with certainty due to the variability in the amount of solar radiation (sunlight) from location to location and from year to year. This estimate is based upon the Government’s standard assessment procedure for energy rating of buildings (SAP) and is given as guidance only. It should not be considered as a guarantee of performance.”

Medoria Solar Limited, 1a Station Lane, Thorpe, Wakefield, West Yorks, WF3 3DJ   T: 07723 334791   E: 

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