Energy Summary
- Greenstar 24i System boiler
- Greenskies solar panels
Please note that payback periods for solar panels are significantly dependent on usage and energy suppliers. Worcester, Bosch Group estimates that the Greenskies solar panels can provide 50 per cent to 70 per cent of your hot water usage.
What do the figures mean?
The letters kWh are an abbreviation of kilowatt hour and this is a measurement of energy. Your energy supplier's bills will show the amount of energy used in kWh and also how much they charge for each kWh. You can use this information on your energy bills to work out the benefits of renewable technologies, A-rated appliances, and the effect that SAP ratings have on the energy usage of your property.
The figures shown represent data taken in a typical week at the Energy House.
Energy summary for Energy House 1
Output from solar
Output from boiler
What do these figures mean in savings?
Free baths per day from Solar = 1.7Based upon a 90 litre bath with 43 degree temperature and with incoming cold at 10 degrees.
Last updated: 20 October 2008
(1) Energy provided by the solar panels to the hot water tank, which would otherwise have been supplied by the gas boiler. (2) This shows the percentage of energy supplied by the solar panels to the hot water tank. (3) The average amount of time the panels have been supplying energy to the hot water tank each day. (4) Energy from gas used by the boiler to heat the hot water tank. This energy is used by the boiler to supplement energy from the solar panels.
