Item 1 Flashcards
(27 cards)
What is energy security?
The status of having current and sustainable access to energy at an affordable price.
Why was there a sudden decrease in energy production in 1980-85?
Miners strikes
What are some of the reasons for the decrease in energy consumption by uk households?
1) 2006 Climate Change Bill improved building regulations
2) Increase in energy prices
What are some of the reasons for the decrease in energy consumption of the U.K manufacturing industry?
An increase in the uk service sector
What service sector is particularly large in the uk?
Financial sector
What are the reasons for the huge increase in energy consumption for the transport sector?
Cars and planes
What percentage do cars make up of the UK’s transport share in 2015?
85%
What fraction of electricity was produced by coal in 1970 and 2011?
1970: 2/3
2011: 1/3
Why has coal energy consumption decreased?
1) Uncompetitive global prices
2) Other cheaper energy methods since 1950s (Gas and Oil)
3) Lack of government support for the mines
What was the dash for gas?
A sudden private sector shift towards energy production from natural gas
What percentage of the electricity generation in 2030 will be made up by renewables?
40%
How much did the UK government invest in to renewables in 2013 alone?
£8Bn
What is Carbon Capture and Storage?
Ways of cutting out the production of carbon into the atmosphere from burning coal in industry
What percentage of carbon is produced from burning natural gas compared to coal in the UK?
Roughly 45%
List the 9 forms of power generation in order of lowest to highest energy efficiency
Coal, Oil, Natural Gas, Biomass, Solar, Nuclear, Hydro, Geothermal, Wind
List the 9 forms of power generation in order of lowest to highest cost for producing 1MWh of power?
Gas, Hydro, Coal, Wind, Geothermal, Biomass, Nuclear, Oil, Solar
What is the energy efficiency of coal?
29% (Lowest)
How much does it cost to produce 1Mwh from coal?
$95
What is the energy efficiency of natural gas?
38%
How much ides it cost to produce 1MWh from natural gas?
$66 (Cheapest)
What is an area in the uk that has a strong coal and gas producing capacity?
Leeds
What is the energy efficiency of solar energy?
207%
How much does it cost to produce 1MWh from solar energy?
$211 (Most expensive)
What region of the U.K has a particularly strong solar power producing capacity?
South England (Latitude)
