Trends in energy use (Edexcel GCSE Physics): Flashcards
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13 cards from this deck
3 reasons energy resource types changed over time
3 reasons energy resource types changed over time
Technology advances, environmental concerns, costs
Main energy sources in 20th century
Main energy sources in 20th century
Fossil fuels (coal, oil, gas) and nuclear power
UK electricity demand trend in 21st century
UK electricity demand trend in 21st century
Decreased
Cause of decreased UK electricity demand
Cause of decreased UK electricity demand
Improvements in energy efficiency
Current main UK energy source types
Current main UK energy source types
Non-renewable (coal, gas, nuclear)
3 growing renewable sources in UK
3 growing renewable sources in UK
Wind power, solar energy, biofuels
UK's renewable energy target %
UK's renewable energy target %
15% of energy from renewables
Main use of fossil fuels in power plants
Main use of fossil fuels in power plants
Generate electricity
Example use of biofuels
Example use of biofuels
Power vehicles (alternative to petrol/diesel)
Cost issue with new renewable power plants
Cost issue with new renewable power plants
More expensive to build than fossil fuel plants
Reliability issue with wind power
Reliability issue with wind power
Depends on weather - unreliable supply
Public opposition reason for renewable plants
Public opposition reason for renewable plants
Visually unattractive
Personal cost barrier to renewables
Personal cost barrier to renewables
Electric/hybrid cars more expensive than petrol/diesel