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Why is heat important?

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Ruth Bush

on 20 September 2013

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Transcript of Why is heat important?

Why is heat important?
design by Dóri Sirály for Prezi
Heat is an important part of our lives in the UK
Today we generate heat using...
Heat contributes to 38% of the UK's carbon emissions
Fuel Poverty
Heat is important for out quality of life; for heating our homes, showers and baths and cooking - especially during our cold winters.

Sadly, many people in the UK are unable to afford to heat their homes properly. This is called fuel poverty.
The future of heating our homes in urban areas
Industry uses heat to make metals, chemicals, refining oil, food and drink, non-metallic minerals and pulp and paper
Nearly half of the energy we use in the UK is for heat
UK energy consumption
(Data for 2011, Source DECC 2013)
- Natural gas
- Electricity
- Other fuels including oil (18%,
biomass (1.5%) and coal (3%)
(Source: IEA 2011)
There are over 22 million homes in the UK that use heat for space heating and cooking
Industry uses 30% of the heat energy we generate (13.2% of total energy consumption)
The residential sector uses 53% of the UK's heat energy (23.3% of total energy)
4.75 million households in the UK are classified as fuel poor
That's 17% or nearly 1 in 5 households
(DECC fuel poverty statistics 2013)
Urban areas are particularly challenging because there are so many people in small space that require a lot of energy
Heat will most likely be generated in the future using a mix of low carbon technologies:
- Air source heat pumps

- Ground source heat pumps

- Biomass boilers

- District heat networks linked to combined
heat and power plant, waste heat from
industry, or energy from waste plants.
We need to think about what might happen to people in fuel poverty when we change to low carbon heating.
Heating in urban areas might look at little bit like this...
Air source heat pumps
Combined heat and power plant
District heat network
uses pipes and hot water or steam to transport heat from where it is generated
is one option to efficiently produce heat and electricity. Plants are often fuelled by gas, but can also be fed on biomass.
Houses not connected to a district heat network will use electric heat pumps.
for the future...
How do we supply low carbon heat that everyone can afford?

Which buildings should have which technologies? Should we let everyone decide themselves?

How can we speed up uptake of these new technologies?
Full transcript