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S1 Appendix: Bayesian estimation of the industrial and residential demand models. Keita Honjo. April 15, 2018. Table 1: Conditions of MCMC experiments.
S1 Appendix: Bayesian estimation of the industrial and residential demand models Keita Honjo April 15, 2018

17.9 17.7 17.5 17.3

log(Electricity demand)

Table 1: Conditions of MCMC experiments Model equations Ind1, Res1A R 3.4.3 Software Package bsts 0.7.1 [1] Seed 12345 Number of iterations 10000 Number of burn-in iterations 1000 Gamma prior (shrinkage parameter) a = 1012 , b = 1

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Observation Estimate



1990

1995

2000

2005

2010

2015

Year

Figure 1: Comparison of the industrial electricity demand data with the MCMC estimates.

1

−0.2

0.0

−0.1

0.0

0.5

0.1

0.2

17.0 17.2 17.4 17.6 17.8 18.0

C) Explanatory variables 1.0

B) Seasonal component

A) log(Intercept)

1990

2000

2010

1990

Year

2000

2010

1990

Year

2000

2010

Year

Figure 2: Contributions of the time-varying intercept, seasonal component, and explanatory variables to the MCMC estimates of the industrial electricity demand.

B) HDD11

C) log(IAA)

2000

2010

0.6 1990

2000

2010

Year

Year

D) log(CGPI)

E) Intervention variable

1990

2000

2010

Year

−0.8

−0.20

−0.6

−0.10

−0.4

0.00

−0.2

0.10

0.0

1990

0.2

−0.010

−0.005

0.4

0.000

0.000

0.005

0.8

0.010

A) CDD19

1990

2000 Year

2010

1990

2000

2010

Year

Figure 3: Coefficients of the explanatory variables of the industrial electricity demand model.

2

5.6 5.2 4.8 4.4

log(Electricity demand per capita)

● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ●● ● ●● ● ● ● ●● ● ● ●●● ● ● ● ● ● ● ● ● ● ● ● ● ●● ●● ● ● ● ● ●● ● ● ●● ● ● ● ●● ●● ● ● ●●●● ●● ●●● ● ● ● ●● ●● ● ● ●● ●● ● ● ● ● ● ● ● ● ●● ● ● ●● ●● ● ● ● ● ● ● ●●● ●● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ●● ●● ● ● ● ● ● ● ● ● ●●●● ● ● ● ● ●●● ●●● ● ● ● ●● ●●● ● ● ●●● ● ● ● ●●● ● ● ●● ● ● ● ●●●● ● ●● ● ● ●● ● ● ●● ● ● ● ● ● ●●●● ● ● ● ● ● ●● ● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ●● ● ●● ●● ● ● ● ●● ● ● ● ● ● ●● ● ● ● ● ● ● ●●●●● ●● ● ●● ●●● ●●● ●● ●● ● ● ● ● ● ● ● ●●●● ● ● ● ● ●●● ● ●● ● ● ● ● ●





Observation Estimate

1990

1995

2000

2005

2010

2015

Year

Figure 4: Comparison of the residential electricity demand data with the MCMC estimates.

B) Seasonal component

0.5

1.0

C) Explanatory variables

0.0

4.0

−1.0

−0.2

4.5

−0.5

0.0

5.0

0.2

5.5

6.0

0.4

A) log(Intercept)

1990

2000 Year

2010

1990

2000 Year

2010

1990

2000

2010

Year

Figure 5: Contributions of the time-varying intercept, seasonal component, and explanatory variables to the MCMC estimates of the residential electricity demand.

3

B) HDD18

0.0

0.5

C) log(Wage)

−0.004

−0.5

−0.005

0.000

0.000

0.005

0.004

A) CDD23

2000

2010

1990

2000

2010

2000

2010

Year

Year

D) log(CPI)

E) DOW variable

F) Intervention variable

2000 Year

2010

0.1 −0.2

−0.06

−0.1

−0.04

0.0

−0.02

0.6 0.2 −0.2 −0.6 1990

1990

Year

0.00

1990

1990

2000 Year

2010

1990

2000

2010

Year

Figure 6: Coefficients of the explanatory variables of the residential electricity demand model.

4

Reference 1. Scott SL. bsts: Bayesian Structural Time Series; 2017. Available from https://cran.r-project.org/web/packages/bsts/index.html.

5