Tradeoff coefficient a

0.01

0.03

0.05

0.07

0.09

0.1

0.3

0.5

0.7

0.9

PEV total bill ($)

8.29

8.53

9.83

10.19

10.34

10.38

10.60

10.64

10.65

10.66

RMSE of power deviation

59.52

51.43

16.66

11.06

9.28

8.91

7.61

7.56

7.54

7.54