East Midlands Energy Saving Trust advice centre (ESTac)
description
Transcript of East Midlands Energy Saving Trust advice centre (ESTac)
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East MidlandsEnergy Saving Trust advice centre
(ESTac)
Presented by
Tom WhiteAssistant Consultant
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Energy Saving TrustWho we are:
A non-profit organisation that provides free impartial advice
The Mission:To lead 60 million citizens to act on
climate change
The Vision:To make every home a low carbon home
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Why do we need to take action?
Our climate is changing
Its happening here…..
…..and its happening now
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Heat loss from houses
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Reducing the need for energy
• Loft or roof insulation• Cavity wall insulation• Solid wall insulation• Floor insulation• Draught proofing• Double or secondary
glazing• Pipe and water cylinder
insulation• Energy saving light bulbs
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Changing behaviour
• Turn the thermostat down
• Programme heating systems
• Close curtains at night• Only turn on lights
when needed• Only boil water needed• Shower instead of bath
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Renewable Energy
• Space and water heating– Biomass– Solar water heating– Heat pumps
• Electricity generation– Wind– Hydroelectricity– Solar electricity
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Biomass• Fuel: wood pellets;
wood chips; and logs• Installed costs
– £3000 for stove– £5,000-10,000 for boiler
system• Running costs for fuel• Storage space needed• Planning permission/
permit to burn wood• Carbon neutral
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Solar water heating• Established technology
– Flat plate or evacuated tube
• Installed cost £3,000-£4,500
• Can supply half water heating requirements
• 2-5 sq.m of roof space• South-facing, un-
shadowed roof• Planning permission
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Heat pumps• Air source• Ground source
– Borehole or trench• 6-10kW domestic system • Installed cost £7,000-
£12,000• Running costs• Works best with
underfloor distribution• Electricity needed to run
pump
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Microwind turbines• Household size 1-6kW, • ~2.5kW sufficient for
average household yearly needs
• Costs £11,000-13,000 for full system
• Local annual average windspeed of 6m/s
• Planning permission• Back-up supply needed
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Hydroelectricity• Close to a water source
and grid connection• Low head system costs
~£4,000/kW installed• Larger, community
systems can reduce costs• Seasonal water flow• Contact LA, EA and
Countryside Commission
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Solar electricity• Photovoltaic (PV) cells• Typical domestic system:
2.5kWp, 10-20 sq.m• ~£10-18,000 installed cost• South facing, strong, un-
shadowed roof• Roof pitch 30-45 degrees• Planning permission
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0800 512 012
For free, independent and local energy saving advice call