Primary Energy Mix Flashcards
Why has there been an increase in demand for cleaner sources of fuel?
Clean air legislation
When was the coal industry privatised?
In the 1990s and since then almost all pits in the UK have closed down.
What energies dominate the UK primary energy supply in the first decade of the 21st century?
Natural gas and oil (over 70%)
Has gas demand in the UK increased or decreased?
Increased significantly with a total increase of around 85% since 1990.
Has coal demand in the UK increased or decreased?
Decreased in importance by 40% since 1990.
Why do the government plan on expanding nuclear power?
To reduce dependence on potentially shrinking supplies of fossil fuels.
Who is the largest producer of oil and natural gas in the EU?
The UK- with 4 billion barrels of oil and 0.53 trillion m of natural oil (2015) (but is depleting)
What happened to the UK in 2004?
The UK became a net energy importer for the first time since 1993, although it is still a net exporter of oil and maintains one of the lowest import dependencies in the EU.
Where does the UK import natural gas from?
Norway and Russia
In 2005 how much of the UKs energy was generated from fossil-fuel sources?
76%
In 2005 how much of the UKs energy was generated from nuclear sources?
19%
In 2005 how much of the UKs energy was generated from renewable sources?
4.5%
What did the uk aim to do by the end of 2010?
Make 10% of the UK’s electricity from renewable sources.
Until recently what was the most important source of renewable energy in the UK?
Hydroelectric power (most large scale schemes in the Scottish highlands.
Why is it difficult to increase the numbers of large HEP plants in the UK?
Most commercially attractive and environmentally acceptable sites have already been used, although many smaller scale schemes may be feasible.
