Skip to main content

The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)

Table 4 Structural break regression of relationship between system peak and nonpeak demand

From: The impact of adoption of power factor correction technology on electricity peak demand in Uganda

Dependent variable = Peak energy sales

 

Coef.

Std. Err.

t

Nonpeak energy sales (NP)

1.30***

0.12

10.72

Dummy (D)

130.11***

44.74

2.91

Interaction (NP*D)

−0.79***

0.27

−2.95

Constant

−75.66***

18.38

−4.12

Obs.

44

  

F (3, 41)

103.59***

  

R-squared

0.88

  

Adj. R-squared

0.87

  

Individual results

 M1_Before Jan 2013 (Jan 2011–Dec 2012)

 

Robust Std.

Coef.

Err.

Z

Nonpeak energy sales (NP)

1.30***

0.10

12.88

Constant

−75.66***

16.01

−4.73

M1_log variance constant

3.65***

0.22

16.88

M2_After Jan 2013 (Jan 2013–Sept 2014)

Nonpeak energy sales (NP)

0.51***

0.08

6.11

Constant

54.44***

14.06

3.87

M2_log variance constant

1.60***

0.20

7.84

  1. ***, **, and * are statistically significant 1, 5, and 10 % levels, respectively