Month

Peak load (MW)

Quadratic MODEL

Error (%)

LSRM

PSO

Jan.

3160

3118

3095.7

1.33

2.03

Feb.

2950

3019.65

2989.3

−2.36

−1.33

Mar.

2760

2845.16

2800

−3.09

−1.45

Apr.

2670

2631.46

2627.14

1.44

1.61

May

2690

2729.6

2725.13

−1.85

−1.68

Jun.

2820

2830.61

2825.98

−0.38

−0.21

Jul.

2940

2950.5

2945.68

−0.36

−0.19

Aug.

3180

3260

3116

−2.52

2.01

Sep.

3010

3150.92

3145.67

−4.68

−4.51

Oct.

2587

2536.21

2532.14

1.96

2.12

Nov.

2810

2818.28

2810.14

−0.29

0.00

Dec.

2890

3008.21

2994

−4.09

−3.60

Average error (%)

2.02

1.73