Forecast year and month

Actual value/GWh

Forecast value/GWh

Relative error rate

July 2017

178.54

181.86

1.86%

August 2017

170.38

183.11

7.47%

September 2017

125.69

129.01

2.64%

October 2017

109.97

125.60

14.21%

November 2017

113.26

115.15

1.67%

December 2017

135.13

140.26

3.80%