A case study to highlight the advantages of installing energy efficient products to Mr Jones Home in Denbighshire.

Technologies Installed

A 2.7 Kw solar PV system

A 3 m2 Evacuated tube Kingspan Solar thermal collector
Direct Debit has fallen from £96 per month to £55 a month for dual fuel
Annual Figures
  • Solar PV generation 2900 kwh  x 16.7 pence / kwh  = a) £484.00 per annum
  • RHI rate for the solar thermal panel : 3180 kwh x 19.51 pence /kwh = b) £620.56 per annum
  • Annual bill for gas and electric  :  £ 636
  • Average annual fuel bill (dual Fuel) £ 1,226
  • Fuel saving £590 per annum
  • Total financial annual benefit (a+b+c) =  £1,694.00 per annum
  • Total earned over first 7 years (with 2 % inflation) =   £12,000
  • Total earned over first 20 years (with 2 % inflation) =   £27,500
  • Total cost of system  :  £9,800
  • Profit over 20 years : £17,700
  • Average Return on investment : 14%
  • Results ….
  • Installed in December 2014
  • Both Gas and electricity usage have fallen dramatically.