Selection Ideal Coal Suppliers of Thermal Power Plants Using the Matter-Element Extension Model with Integrated Empowerment Method for Sustainability

Table 1

Coal supplier evaluation indicator system.

Primary indicator	Secondary indicator	Influence indicator
Fuel quality	Caloric value	,
	Volatile component	, ,
	Moisture	, ,
	Ash	, ,
	Sulphur	,
Costs	Unit price of standard coal
	Cost of transportation	,
	Convenience of transportation	, ,
	Cost of mining	,
Credibility	Contract execution
	Deficit tons
Sustainability	Economic benefits	, ,
	Economic scale	,
	Minable capacity
	Labour productivity	, ,