Energy Mix Flashcards
1
Q
Why did UK switch from coal to gas
A
- burning gas produces less co2 than coal
- gas fired power stations are flexible as they have short start up time
2
Q
How to prepare for future of UK energy
A
- Need a base load of nuclear power
- Use gas fired power stations to provide emergency power in times of high demand
3
Q
Define renewable energy resource
A
One that is being replenished as being used
4
Q
Types of renewable energy stores
A
Wind power
Solar power
Hydroelectric power
Tidal power
Wave power
Geothermal power
Biofuels
5
Q
Adv of renewable energy resources
A
- never run out
- once in plant resources don’t add any co2
- biofuels don’t add extra co2 into atmosphere
6
Q
Disadvantages to renewable energy
A
- wind and solar aren’t reliable
- hydroelectric destroys habitats
- expensive