Quantitative Analysis of Japan’s Energy Security Based on Fuzzy Logic: Impact Assessment of Fukushima Accident

Table 1

Selected indicators of energy security.

Dimension	Indicator
Availability	Self-sufficiency (AV1)
	Oil stock (AV2)
	Share of renewables in total electricity supply (AV3)
	TPES (AV4)
	Total installed electricity generation capacity (AV5)
Accessibility	Dependency on Middle East oil (AS1)
	The effort to promote renewable energies (AS2)
	The effort to promote independently developed energy resources (AS3)
	Human resources for nuclear energy (AS4)
	The difficulty in operating nuclear power station (AS5)
Affordability	Fuel cost of electric companies (AF1)
	Electricity price (AF2)
	Market price of LNG (AF3)
	Trade balance (AF4)
	Economic growth ratio (AF5)
Acceptability	Consumption of fossil fuels (AP1)
	CO2 emission from energy sources (AP2)
	Radioactive waste (AP3)
	Supporting ratio for nuclear energy (AP4)
	Voice and accountability (AP5)