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Energy supply and demand, Renewable Energy resources,Non Renewable Energy resources,world Energy and Supply demand

Updated on July 29, 2015

Energy and Supply Demand Sample UK

The heat energy released when the coal is burned is the primary energyrequired for that use. The amount of electricity reaching the consumer, after conversion losses in the power station and transmission losses in the electricity grid, is the delivered energy (sometimes called ‘final’ energy). After some minor losses in the local wires, a quantity, the useful energy, emerges as light.

Energy supply and demand in the UK
In the UK energy demand is categorised into four main sectors:

  • domestic
  • services (i.e. commercial and institutional)
  • industry
  • transport.

As the figure below shows, almost one third of UK primary energy is lost in the process of conversion and delivery – most of it in the form of ‘waste’ heat from power stations. And even when energy has been delivered to customers in the various sectors, it is often used very wastefully.


Energy and Supply Demand Case Study

The heat energy released when the coal is burned is the primary energyrequired for that use. The amount of electricity reaching the consumer, after conversion losses in the power station and transmission losses in the electricity grid, is the delivered energy (sometimes called ‘final’ energy). After some minor losses in the local wires, a quantity, the useful energy, emerges as light.

Energy supply and demand in the UK
In the UK energy demand is categorised into four main sectors:

  • domestic
  • services (i.e. commercial and institutional)
  • industry
  • transport.

As the figure below shows, almost one third of UK primary energy is lost in the process of conversion and delivery – most of it in the form of ‘waste’ heat from power stations. And even when energy has been delivered to customers in the various sectors, it is often used very wastefully.

UK primary energy is lost in the process of conversion and delivery

UK primary energy.

If you look at the Renewable energy sources, 2013 figure below you’ll see that the contribution of all renewables in 2013 to primary energy supply in the UK was equivalent to 11,201 thousand tonnes of oil. This was 5.2% of total UK primary energy

UK primary energy

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