Case study 6 / Mr Milan Shah, Company director, North Harrow, London

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Description of system

The property is a four bedroom House of 160 m2. Underfloor heating is installed in all rooms driven by a high efficiency Coopra condensing boiler. Hot water is supplied by three Hewalex KS2000 solar thermal panels feeding an OSO 300 litre solar twin coil cylinder with 128 litre dedicated solar capacity. Solar pv system consists of 15 LG250 high performance panels with SMA SB3000HF inverter 3.75kwp

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Performance of system

  • Solar thermal output SAP estimated 1101 kwh
  • Financial return for savings in gas £44.01
  • RHI payments if current proposals confirmed at 18p - £198.18
  • Solar PV output annual yield 3219kwh
  • Annual FIT yield at 45p per kwh £1448.55
  • Annual yield from combination of FIT payment export tarif and savings in electricity use £1706.07.

Customer comment

"Very happy. Job done very professionally. Very high standard of workmanship, cooperative team of installers. Found them highly experienced in the field of solar and underfloor heating. I would highly recommend Complete Plumbing Clean Energy without any doubt.
We constructed a purpose built summer house at the end of the garden to accommodate the solar panels on the roof and the roof slope was recommended by our solar system installer to get the maximum output from the panels and also avoiding any shading. The panels installed are high output and start generating even on a cloudy day. They are manufactured by LG electronics and have proved to be performing very well. This has been one of the perfect installations. You are most welcome to verify the meter reading.""
Email from Mr Shah to EDF energy to answer their query as to why the yield of the system was so high.