Month

Peak load (MW)

Linear model

Quadratic model

Exponential model

LSRM (MW)

PSO

(MW)

Error (%)

LSRM

(MW)

PSO

(MW)

Error (%)

LSRM

(MW)

PSO

(MW)

Error (%)

Jan.

3160

2687.54

2697.77

14.95

14.63

2866.73

2878.53

9.28

8.91

2655.89

2664.63

15.95

15.68

Feb.

2950

2689.48

2699.71

8.83

8.48

2775.18

2786.68

5.93

5.54

2657.49

2666.76

9.92

9.60

Mar.

2760

2691.42

2701.66

2.48

2.11

2703.55

2714.65

2.05

1.64

2659.08

2668.90

3.66

3.30

Apr.

2670

2693.36

2703.61

−0.87

−1.26

2651.84

2662.44

0.68

0.28

2660.68

2671.03

0.35

−0.04

May

2690

2695.30

2705.56

−0.20

−0.58

2620.05

2630.05

2.60

2.23

2662.27

2673.17

1.03

0.63

Jun.

2820

2697.24

2707.50

4.35

3.99

2608.18

2617.48

7.51

7.18

2663.87

2675.31

5.54

5.13

Jul.

2940

2699.18

2709.45

8.19

7.84

2616.23

2624.73

11.01

10.72

2665.47

2677.45

9.34

8.93

Aug.

3180

2701.12

2711.40

15.06

14.74

2644.20

2651.8

16.85

16.61

2667.07

2679.59

16.13

15.74

Sep.

3010

2703.07

2713.34

10.20

9.86

2692.09

2698.69

10.56

10.34

2668.67

2681.73

11.34

10.91

Oct.

2587

2705.01

2715.29

−4.56

−4.96

2759.90

2765.4

−6.68

−6.90

2670.27

2683.88

−3.22

−3.74

Nov.

2810

2706.95

2717.24

3.67

3.30

2847.63

2851.93

−1.34

−1.49

2671.87

2686.02

4.92

4.41

Dec.

2890

2708.89

2719.18

6.27

5.91

2955.28

2958.28

−2.26

−2.36

2673.47

2688.17

7.49

6.98

Average error (%)

6.64

6.47

-

-

6.40

6.18

-

-

7.41

7.09