Table 9 Optimization scheduling results of scene 3 to 5.

From: Optimal scheduling of integrated energy system with gas–liquid phase change carbon dioxide energy storage considering multi-layer low-carbon benefits

Parameters

Scene 5

Scene 6

Scene 7

The cost of CCPP/(yuan/day)

2130613.31

2059584.28

2010762.88

The cost of natural gas/(yuan/day)

1206693.14

1235802.93

1261545.69

The cost of P2G/(yuan/day)

118183.90

113064.87

111041.50

The cost of carbon sequestration/(yuan/day)

242879.43

239208.73

244564.25

The cost of carbon trading/(yuan/day)

− 867864.24

− 860400.67

-849616.93

The penalty cost of abandoning wind power and photovoltaic/(yuan/day)

166510.36

126661.97

120369.74

The cost of energy storage power station/(yuan/day)

166876.28

32212.06

Total cost/(yuan/day)

2997015.90

3034703.05

2941603.63

LCOE/(yuan/kWh)

0.6289

0.3079

Carbon emission/(t/day)

3641.72

3470.58

3282.35

The rate of abandonment of wind power and photovoltaic/%

8.98

6.75

6.41