the 25yr feed in tariff + value added to the property
OK - lets have some real figures, please.
Use your £7500 system, for which the householder pays £5000.
Using data gathered from real field trials carried out over several years on a wide range of property types, household types and geographic areas, please tell us how many kWh will be generated by the system in its life.
Please tell us what the maintenance costs for the system are.
From those two figures we can then see what the householder will be paying for his PV electricity.
Using data gathered from real field trials carried out over several years on a wide range of property types, household types and geographic areas, please tell us how many kWh of PV electricity are used, and how many are sold back to the grid.
For the electricity sold back, please tell us what price is paid for it.
Using all of the above figures and analysis, please tell us what the best and worst case net savings are for customers who install one of these systems.
Value added to the property? Given all of the figures above, what residual values should a purchaser logically place on the system with the following years life left:
20
15
10
5
bearing in mind that they will be borrowing the money via their mortgage to pay for the system.
