Case study

Sanyo Sunpack SY10
Paul and Clare of Stonehouse Gloucestershire have a new Sanyo Sunpack. Their Sunpack will generate 1,600 kilowatt hours of electricity each year-enough for around 675 loads of washing.
With a grant from the government (EST) the cost to them was less than £6,000

The system is connected to the national grid, so all of the electricity that they generate is sold back to their electricity supplier (even if they are using it).
When they are not generating (at night) they buy it back from their electricity supplier. And by choosing to locate the display meter in the hall everyone can see how much electricity is being generated and the CO2 emissions being prevented.

Further Information:

Installation process

System details

A similar sized system of 1.72kWp would now consist of only 8 x Sanyo 215 panels and would cost around £6,400 including VAT @ 5% after any grant. Please note: prices are indicative only.

For more information visit Paul & Clare's website

Installation process
Installation date March 2004

08.30		JHS Power Solutions installers arrive and start by inspecting the scaffold.
09.00		On the roof the installers push up the tiles and find the rafters. They screw the solar roof hooks, reposition the tiles and attach the metal frame to the hooks.
11.30		The installers slide the solar panels onto the frame and connect them.
13.00		The installers go into the attic and fit the inverter.
14.30		After lunch the electrician wires the AC electricity to the inverter.
16.30		Now for the exciting bit. Commissioning the system (checking all parts work and comply with regulations) The system is now generating clean electricity.
18.30		The installation is complete.

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System details

System size		1.8 kWp
Estimated annual output		1,600 kWh
Technology		10 x Sanyo 180 hybrid panels
Inverter		1 x Sunny Boy 1700
Grid connection		Approved by Aquila NetworksElectricity export arrangements made with Good Energy
C02 savings per annum		688 kg
Cost (including VAT @ 5%)		£11,300
Grant awarded		£5,400
Cost to customer		£5,900

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