China’s Energy Structure Optimization Based on Data Mining from the Perspective of Circular Economy: Take Qujing City as an Example

Table 1

Energy consumption structure under regional emission restrictions.

	Coal	Petroleum	Natural gas	Low carbon energy	Total demand
Area A
Energy quantity ()	0	5.24	1.03	10.25	16.52
Discharge amount ()	0	44.68	7.01	1.01	52.7
Area B
Energy quantity ()	4.21	0.36	1	3.27	8.84
Discharge amount ()	41.67	2.25	0	1.68	45.6