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History

There are two balancing prices determined by the IMO:

  1. The Provisional Balancing Price, which is the dollar per MWh price calculated in accordance with clause 7A.3.8(b).
  2. The Final Balancing Price, which is the dollar per MWh price calculated in accordance with clause 7A.3.10.

The balancing price for a given Trading Interval is calculated on the basis of the STEM combined supply curves of all Market Generators and the real-time effective demand for that Trading Interval.

Please note that the Balancing Quantity is calculated 2 days after the relevant trading day and is dependant on STEM trading results and system load information. The Balancing data is an estimate based on data provided by other parties at the time and may therefore be subject to change.

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Administered Balancing Prices (SWIS)
(Data Extraction from WEMS occurred at Apr 10, 2012 02:36:02 PM)
Trading DayHour
of
Day		Trading IntervalMCAP
Price per MWh		UDAP
Price per MWh		DDAP
Price per MWh		Reason
Code		Scheduled
System Load
MWh		Relevant
Quantity
MWh		Balancing
Quantity
MWh
05/04/20128171.9735.9993.56Recalculated 1085.2791124.91539.635
05/04/2012826331.581.9Recalculated 1098.681105.2486.5679
05/04/20129151.825.967.34Recalculated 1115.0491094.975-20.07
05/04/20129239.1619.5850.91Recalculated 1123.0251088.599-34.42
05/04/201210132.0516.0341.66Recalculated 1128.7591083.42-45.33
05/04/201210223.511.7530.55Recalculated 1139.0641057.285-81.77
05/04/201211122.9511.4829.83Recalculated 1138.9331039.537-99.39
05/04/201211222.9511.4829.83Recalculated 1136.0151035.478-100.5
05/04/201212122.9511.4829.83Recalculated 1133.4511040.845-92.60
05/04/201212222.9511.4829.83Recalculated 1131.0191026.17-104.8
05/04/201213122.9511.4829.83Recalculated 1133.8751032.988-100.8
05/04/201213221.610.828.08Recalculated 1134.9251018.328-116.5
05/04/201214119.69.825.48Recalculated 1138.551012.991-125.5
05/04/201214218.29.123.66Recalculated 1133.4471003.872-129.5
05/04/201215117.58.7522.75Recalculated 1133.932998.173-135.7
05/04/201215217.38.6522.49Recalculated 1131.571990.794-140.7
05/04/201216118.29.123.66Recalculated 1131.51001.888-129.6
05/04/201216218.29.123.66Recalculated 1126.573993.942-132.6
05/04/201217122.9511.4829.83Recalculated 1141.5621011.394-130.1
05/04/201217229.914.9538.87Recalculated 1153.7811049.564-104.2
05/04/20121813517.545.5Recalculated 1162.3631089.569-72.79
05/04/201218253.7926.969.93Recalculated 1159.6561118.17-41.48
05/04/201219132.0516.0341.66Recalculated 1143.8741060.746-83.12
05/04/201219222.9511.4829.83Recalculated 1110.133999.934-110.1
05/04/201220117.58.7522.75Recalculated 1072.862969.249-103.6
05/04/201220217.38.6522.49Recalculated 1037.653938.827-98.82
05/04/201221117.348.6722.54Recalculated 994.613880.166-114.4
05/04/201221217.398.722.61Recalculated 954.293828.23-126.0
05/04/201222117.43019.17Recalculated 844.824772.547-72.27
05/04/201222217.49019.24Recalculated 827.764759.888-67.87
05/04/201223112.14013.35Recalculated 788.002726.42-61.58
05/04/201223210011Recalculated 770.795715.563-55.23
05/04/20120110011Recalculated 741.565697.154-44.41
05/04/20120210011Recalculated 727.354686.501-40.85
05/04/20121110011Recalculated 714.24668.305-45.93
05/04/201212000Recalculated 703.545647.782-55.76
05/04/20122110011Recalculated 697.224652.425-44.79
05/04/201222000Recalculated 697.552642.729-54.82
05/04/20123110011Recalculated 690.652654.928-35.72
05/04/20123210011Recalculated 685.461647.343-38.11
05/04/20124110011Recalculated 683.405646.368-37.03
05/04/20124210011Recalculated 681.027643.951-37.07
05/04/20125117.83019.61Recalculated 686.093649.265-36.82
05/04/20125221.7023.87Recalculated 692.414672.249-20.16
05/04/2012617.0607.77Recalculated 729.274677.77-51.50
05/04/20126212.35013.59Recalculated 772.318678.201-94.11
05/04/201271-15.040-16.54Recalculated 833.701698.7-135.0
05/04/201272-4.650-5.12Recalculated 839.341737.909-101.4