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Case study: AN HEP scheme on the Yangtse river p193
What are the main reasons for building the dam?
To supply the national grid with 18 000 megawatts of power which will support the
country's rapid economic growth.
What are the problems caused by the building of a dam?
1.3million people will have to be moved and more than 320 villages and 140 towns
will be flooded
Floodwaters will cover 40 000 hectares of China's best farmland
Habitats will be destroyed
Increased risk of landslides
Pollution of fresh water supplies
What are the main locational factors which influence the electricity produced by
HEP (hydroelectric power?
Fastflowing water such as a waterfall
High rainfall spread throughout the year
A lake as a natural water store, or a narrow and deep valley to create a reservoir as
an artificial store of water
Case Study: Wind power in the UK p193
What are the main locational factors which influence the building of a wind farm?
Open, exposed space
Usually on hill tops
Sometimes along the coast
What is NFFO? What is its aim?
NFFO is the NonFossil Fuel Obligation. The 1989 Electricity Act paved the way for the
NonFossil fuel Obligation to encourage development of renewable energy technologies. In
1996 a campaign was launched for 10% of the UK's energy needs to come from wind
power by 2025.