Renewable energy

Question 1

Define renewable energy

Answer 1

A source of energy which is replenished naturally in meaningful human time frames

Question 2

What % of global energy is derived from renewable sources?

Answer 2

15%

Question 3

Give 3 reasons why only a small % of energy is generated from renewables

Answer 3

• Cost of building infrastructure
• Often reliant on natural processes so energy can’t be generated 24hrs a day
• Fossil fuels are currently more reliable, cheaper and easier

Question 4

List renewable energy sources in terms of global importance

Answer 4

• Biofuel
• HEP
• Wind, Solar and Geothermal

Question 5

What is the potential of renewable energy compared to current consumption?

Which source has greatest potential?

Answer 5

Very high potential to produce much more energy than we currently consume.

-Solar

Question 6

compared to global primary energy consumption (GPEC):

HEP has the potential to provide ……………

Geothermal has the potential to provide …………..

Biomass has the potential to provide …..……..

Wind has the potential to provide ……………

Solar has the potential to provide …………..

Answer 6

the same amount as current GPEC

10 times GPEC

20 times GPEC

200 times GPEC

1800 times GPEC