Table 1 Energy cost of the DESs and some statistics of the test week from 6 November to 12 November

From: Break down the decentralization-security-privacy trilemma in management of distributed energy systems

Daily cost (in CNY) and statistics of the week

Date

6 Nov

7 Nov

8 Nov

9 Nov

10 Nov

11 Nov

12 Nov

Base Non-cooperative

40916

46721

46969

42271

50658

51332

51698

Proposed Decentralized

39699 (−3.0%)

44324 (−5.1%)

44908 (−4.4%)

39226 (−7.5%)

48082 (−5.3%)

49065 (−4.4%)

49587 (−4.1%)

Theoretical Centralized1

39697

44314

44893

39105

47974

49064

49584

Statistics of the week

Parameters

Base

Proposed

Local generation (MWh)

Renewable source

132.1

132.1

 

Gas-fired generator

72.6

74.5

Electricity purchased from the upper-level grid (MWh)

354.0

352.3

Local generation cost (CNY)

44869

46537

Transaction cost with the upper-level grid (CNY)

285696

246576

  1. 1 We assume an ideal honest dispatcher and use the interior-point method to obtain the theoretically optimal results.