4.0kWp Ground Mounted

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Case Study – 4.0kWp Ground Mounted Array, Haynes Bedfordshire


This installation is a 4.0kWp system mounted on a bespoke timber frame in the client’s garden.  The panels are mounted at 30 degrees and face due South.

Solar PV System Specification

  • 16 x Suntech STP245S-20/Wd Solar Modules
  • 1 x Aurora Power-One PVI-3.6-OUTD  16A Inverter
  • 1 x OFGEM approved single-phase generation meter
  • Bespoke timber mounting frame

Predicted System Performance

  • Output = 3364kWh/year
  • Income and Savings = £1709/year*
  • Cost to install £9,093 inc VAT (February 2012)
  • Payback time 6 years

*Based on 43.3p Feed-in Tariff, 12p/kWh current energy cost, 50% usage.