Sources of energy Flashcards
What is energy security?
Reliable and sustainable access to energy that covers the present and future demands of the population.
Define energy transition
Pathway to net zero carbon from energy production towards end of 21st C
What are PRIMARY ENERGY RESOURCES?
Energy sources obtained in natural raw form. Oil, coal, wind, running water etc…
What are SECONDARY ENERGY RESOURCES?
Energy that is transformed or converted from primary energy sources into usable power sources - e.g - Petroleum from oil.
How much of the world’s energy comes from oil, coal and gas?
80%
Give a positive and a negative for oil
Easy to transport, leadring tradeable economy
High price volatility.
Geopolitical tensions in areas with big reserves.
Give a positive and a negative for natural gas
cleanest fossil fuel
reserves are more offshore or in remote areas.
Give a positive and a negative for natural gas
Wider geographical distribution - a more plentiful resource.
Used widely in India and China to fuel industrialisation.
What is an energy mix?
composition of the varying primary energy resources households, industries get their energy from in a named area.
What factors influence a country’s energy mix?
Inertia
geopolitics
availability of resources
level of development
government policy
diversity (to avoid dependency)
physical location
What is Iceland’s energy mix?
Only uses fossil fuels for transport.
geologically active - geothermal energy
mountainous - HEP dams
advanced country + small population - can afford to develop.
What is the energy trilemma?
relating to access, economic security and environmental sustainability.
WHat is pushing back peak oil?
Use of unconventional resources.
The world consumption of energy in the industrial sector (%)
55%
