A Dynamic Approach to Measuring China’s Provincial Energy Supply Security along “the Belt and Road”

Table 2

Indicators used in the present study.

Dimension	Indicator	Unit	Equation	Variable description	Indicator source
Availability	Reserve and production ratio ()	%		: reserve and production ratio of energy i; : proportion of energy i produced in energy source production	[8, 16, 18, 30, 50]
	Production diversity index ()	HHI		: proportion of energy i produced in energy source production	[11, 13, 17, 29, 30, 50, 51]
	Energy self-sufficiency ()	%		: total energy production; : total energy consumption	[8, 25, 30, 31, 50]
Affordability	Energy price index ()	- -			[11, 12, 25, 30, 32, 50]
Acceptability	Consumption diversity index ()	SWI		: consumption of energy i in total energy source consumption	[7, 13, 18, 29, 50, 51]
	GDP energy intensity ()	tce/104 CNY		: total energy consumption; gdp: gross domestic product	[8, 11, 13, 17, 18, 30–32]
	GDP sulfur dioxide emissions, ()	Tons/104 CNY		: total sulfur dioxide emissions	[8, 11–13, 17, 29–32, 51]
	GDP waste water emissions ()	Tons/104 CNY		: total waste water emissions	[8, 11, 25, 29, 30, 51]
	Forest coverage ()	%			[8, 11, 25, 29, 30, 51]
Energy technology and efficiency	Utilization time of power generation equipment ()			: power generation equipment utilization time each year,; : total hours in the year	[8, 11, 12, 18, 25, 31]
	Distribution loss ()				[8, 11, 12, 18, 31]