Solar PV Installation in Christchurch, Dorset (4kW)

In March 2011, PV Fit installed a 4kWp solar PV system for Mr & Mrs Andrews in Christchurch, Dorset. The PV array is located on 3 separate roofs, comprising 12 panels on 2 SW facing roofs and 8 panels on SE facing roof overlooking rear garden.

Andrews, Christchurch

Web monitoring allows Mr & Mrs Andrews to keep track on the performance of their system daily, even if away on business. They are now benefiting from the Governments tax free Feed-in Tariff (FIT) scheme which is offering them an estimated annual return of over 10% per year on their investment.

Quick system facts

  • 4 kWp system split over 2 roofs
  • Pan tile roof fixing system
  • Nedap PowerRouter solar inverter – includes free web monitoring which also allows us to monitor system performance remotely
  • Predicted system payback 7.75 years

Solar and FIT return

  • System size: 4 kW / 25.6m2
  • Annual output (SAP 2009): 3,286 kWh (units)
  • Annual FIT/Export/Savings: *£1,704
  • 25 year income/savings: *£42,599
  • Annual CO2 savings: 1,866 kg CO2
  • Solar panels 20 x Caymax SST Monocrystalline 200Wp
  • Inverter Nedap PowerRouter 3700W – with built in web monitoring system


  • PV FIT 2 years
  • Caymax solar panel 5 years. No less than 90% original panel rated output (Wp) for 10 year, through to no less than 80% for 25 years
  • Nedap inverter 5 years