Energy

Question 1

The ‘three-no-regrets’

Answer 1

• energy efficiency
• renewables
• energy infrastructure

Question 2

The ‘three energy carriers’

Answer 2

• electricity
• heat
• fuels

Question 3

Sustainable Futures

Answer 3

• the ‘three-no-regrets’
• the ‘three energy carriers’
• Business not-as-usual
• Electrification of transport

Question 4

Energy Services

Answer 4

• lighting
• cooking
• water supply / waste treatment
• suitable indoor environments
• mobility
• communication
• entertainment
• manufacturing / processing capacity

Question 5

Paris Agreement

Answer 5

• political will to phase out fossil fuels
• NZ only 11% reduction on 1990 levels: must increase
• NZ credit price increase

Question 6

Oil Situation

Answer 6

• increased Saudi production
• Saudi policy “ in 20 years we will be a state that doesnt depend mainly on oil”
• US $2 trillion fund
• Task force on climate related disclosures
• “Not-so-Big-Oil”
• Price Uncertainty

Question 7

Political Climate

Answer 7

• G7 leading industrial nations agreed to cut greenhouse gases by phasing out fossil fuels by the end of the century
• Paris Agreement: 195 nations signed up - 2 degrees limit

Question 8

Energy Supply Chains

Answer 8

• liquid, solid and gaseous fuels
• heat
• electricity

Question 9

Key issues with energy supply chains

Answer 9

• infrastructure
• vulnerability
• resilience
• storage

Question 10

Energy definition

Answer 10

Work, E = Fd

(Nm) = J

Question 11

Power definition

Answer 11

rate of work, P = Fv

Watt (J/s)

Question 12

Energy used in water supply

Answer 12

• pumping

- mixing

Question 13

Energy used in wastewater treatment

Answer 13

• pumping
• aeration
• conveyance

Question 14

Electric Vehicles

Answer 14

• light vehicles easily converted
• heavy vehicles difficult due to the battery size required for such a heavy vehicle too large to be feasible
• shift from fossil diesel to biodiesel instead

Question 15

issues with biodiesel for heavy vehicles

Answer 15

• melting point
• CV
• land area

Question 16

NZ Energy Strategy 2011

Answer 16

• primary focus on economic development
• major emphasis on fossil fuels
• electricty target: 90% renewables by 2025

Question 17

Priorities in NZ Energy Strategy 2011

Answer 17

• diverse resource development
• environmental responsibility
• efficient use of energy
• secure and affordable energy