Energy 3.1c Flashcards
Define energy demand
Energy demand is the need or desire for energy
Name 5 sources of demand for energy
1) Generating electricity
2) Transport
3) Powering industry
4) Homes
what percentage of the world’s oil production is used for transport
50% of the world’s oil production is used for transport
What will happen to energy demand by 2050?
It is expected to double and reach an annual level of around 900 exajoules.
Why is there such a great rise in energy consumption?
It is due to population growth, economic development (industrialisation) and rising standards of living.
In the future, which countries are expected to see an increase in energy demand?
China and India will have the largest rises, while countries in western Europe may experience decreases in energy demands due to improved energy efficiency and rising energy costs.
How much will energy consumption increase by in the developing and developed world?
n the developing world, it is expected to double by 2020 and it will increase by 1/3 in the developed world, resulting in energy consumption in the ‘two worlds’ becoming roughly equal.
How many people worldwide don’t have access to modern energy supply?
2 billion people
How many people live without electricity either due to areas without a supply network or because they can’t afford electricity even if it is available?
1.6 billion people
Which country is becoming one of the world’s largest energy consumers?
India, but only a small percentage of the population have access to clean, efficient energy systems.
How do people in the rural parts of India produce energy and what are the pros and cons of this method?
People burn hand-gathered solid fuels such as wood and dung for indoor cooking. This method may be light in terms of carbon footprint but it’s known to cause serous health problems.
How rural households in the UK are not connected to the mains gas network?
5 million, they have to rely on liquefied petroleum gas (LPG) for their heating and cooking.
How many thousand barrels of oil do the US, China and Japan consume on a daily basis?
US - 18,686
China - 8,625
Japan - 4,396
Why has China’s energy demand grown significantly?
It is due to a vast increase in manufacturing and also, in the race to secure future oil resources
Define energy consumption
energy consumption refers to the availability and use of energy.
