Table 2 Sustainability and security parameters under each scenario.

From: LEAP model-based analysis to low-carbon transformation path in the power sector: a case study of Guangdong–Hong Kong–Macao Greater Bay Area

Parameters

Year

BAU

CEG

CCUS

NGE

NGE+CCUS

Electricity self-sufficiency level (λ) (%)

2020

50.06

50.06

50.06

50.06

50.06

2030

54.79

59.09

50.17

48.91

48.91

2040

51.21

55.21

50.21

49.77

49.77

2050

46.62

44.04

48.78

48.69

48.69

2060

41.59

36.15

45.50

44.21

44.21

Energy self-sufficiency level of power generation (μ) (%)

2020

55.44

55.44

55.44

55.44

55.44

2030

57.9

68.79

57.9

54.29

54.29

2040

64.05

80.46

63.79

58.04

55.81

2050

67.61

90.94

60.37

59.14

52.80

2060

67.96

100

56.63

56.68

47.23

Electricity reliability (δ)

2020

27.76

27.76

27.76

27.76

27.76

2030

31.72

40.65

29.05

26.55

26.55

2040

32.80

44.42

32.03

28.89

27.78

2050

31.52

40.05

29.45

28.80

25.71

2060

28.26

36.15

25.77

25.06

20.88