Forecast year and month

Actual value/GWh

Forecast value/GWh

Relative error rate

July 2017

103.87

110.88

6.75%

August 2017

75.55

81.32

7.64%

September 2017

57.20

55.36

3.22%

October 2017

59.72

70.06

17.31%

November 2017

64.56

61.09

5.37%

December 2017

77.90

80.33

3.12%