Class B Global Adjustment

The IESO calculates the Global Adjustment rate each month, providing three variations for Class B customers. LDCs use one of the variations to bill their customers depending on their billing cycle.

Global Adjustment Estimates and Actual Rates

The 1st, 2nd estimate and actual rates for Class B customers are posted below in MWh.

2017

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sept

Oct

Nov

Dec

1st Estimate ($/MWh)

66.87

105.59

84.09

 

2nd Estimate ($/MWh)

86.77

84.30

Actual Rate ($/MWh)

82.27

86.39

2016
2016 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
1st Estimate ($/MWh) 84.23 103.84 90.22 121.15 104.05 116.50 76.67 85.69 70.60 97.20 122.71 105.94
2nd Estimate ($/MWh) 92.14 96.78 102.99 111.77 114.93 93.60 84.12 70.50 91.48 117.80 115.00 78.72
Actual Rate ($/MWh) 91.79 98.51 106.10 111.32 107.49 95.45 83.06 71.03 95.31 112.26 111.09 87.08

2015
2015 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
1st Estimate ($/MWh) 55.49 69.81 36.04 67.05 94.16 92.28 88.88 88.05 82.70 63.71 76.23 114.62
2nd Estimate ($/MWh) 61.61 40.95 57.40 92.68 97.30 97.68 84.13 73.55 71.91 71.93 124.48 88.09
Actual Rate ($/MWh) 50.68 39.61 62.90 95.59 96.68 95.40 78.83 80.10 67.03 75.44 113.20 94.71

For historical global adjustment values, see Data Directory (Price).

For reporting in kWh, see Price Overview/Global Adjustment.

Global Adjustment Estimate and Actual Costs

The 2nd estimate and actual total GA costs are posted below.

2017

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sept

Oct

Nov

Dec

2nd Estimate (M$)

959.4

858.2

Actual (M$)

927.7

850.1

2016
2016 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
2nd Estimate (M$) 1091.8 1049.0 1101.7 1051.6 1031.6 997.3 1001.8 910.1 973.2 1094.2 1128.9 968.5
Actual (M$) 1070.6 1063.7 1120.1 1090.7 1060.8 995.3 981.8 878.6 967.7 1062.3 1076.1 965.5

2015
2015 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
2nd Estimate (M$) 626.0 474.0 671.0 842.5 871.4 892.9 912.6 838.1 723.8 704.0 1158.3 1021.6
Actual (M$) 628.1 458.8 706.8 928.7 939.1 943.1 904.1 879.2 713.4 742.6 1119.3 999.6

For historical global adjustment values, see Data Directory (Price).