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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 18, 2012 02:35:24 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
16/04/20128174.8737.4497.33Recalculated 1048.3171081.5633.242
16/04/20128261.9130.9680.48Recalculated 1071.2211100.94729.725
16/04/20129161.9130.9680.48Recalculated 1081.3951108.70727.312
16/04/20129261.4930.7579.94Recalculated 1081.3951105.30123.905
16/04/201210161.4930.7579.94Recalculated 1081.0681106.4925.422
16/04/201210245.0122.558.51Recalculated 1075.9841090.18614.201
16/04/201211132.2416.1241.91Recalculated 1084.6961069.686-15.00
16/04/201211232.2416.1241.91Recalculated 1088.7511072.674-16.07
16/04/201212132.2416.1241.91Recalculated 1096.0951069.683-26.41
16/04/20121224522.558.5Recalculated 1099.1371084.395-14.74
16/04/201213145.0122.558.51Recalculated 1104.9731086.755-18.21
16/04/20121324522.558.5Recalculated 1104.9671084.044-20.92
16/04/20121414522.558.5Recalculated 1104.7331083.89-20.84
16/04/201214246.2423.1260.11Recalculated 1094.6431091.224-3.419
16/04/201215174.4137.2196.73Recalculated 1090.7271142.45151.723
16/04/201215274.4137.2196.73Recalculated 1081.3371155.82674.489
16/04/201216174.4137.2196.73Recalculated 1081.6061154.64273.036
16/04/201216277.6338.81100.92Recalculated 1081.6061153.63472.028
16/04/201217178.6839.34102.28Recalculated 1090.7341146.98356.249
16/04/201217280.5440.27104.7Recalculated 1104.0511150.95946.908
16/04/201218180.2340.12104.3Recalculated 1118.5291180.01761.488
16/04/201218277.5538.78100.82Recalculated 1105.6781169.92564.246
16/04/201219160.5930.378.77Recalculated 1081.9491117.12635.176
16/04/201219261.9130.9680.48Recalculated 1061.341086.83525.495
16/04/2012201402052Recalculated 1023.9641046.85622.891
16/04/20122022713.535.1Recalculated 1002.8721018.71315.841
16/04/201221124.7612.3832.19Recalculated 965.138987.38722.248
16/04/2012212241231.2Recalculated 929.019950.10121.081
16/04/201222146.41051.05Recalculated 838.858918.96280.104
16/04/201222235038.5Recalculated 796.551874.15877.606
16/04/201223127.59030.35Recalculated 764.441849.34584.904
16/04/201223227.59030.35Recalculated 740.174809.81469.639
16/04/20120127.6030.36Recalculated 718.316788.48170.164
16/04/20120227.6030.36Recalculated 702.394770.2767.875
16/04/20121127.61030.37Recalculated 647.79756.126108.33
16/04/20121224.94027.43Recalculated 639.462727.36487.902
16/04/20122124026.4Recalculated 645.683717.65971.976
16/04/20122223.3025.63Recalculated 648.582714.72566.143
16/04/20123123.8026.18Recalculated 643.228715.25972.031
16/04/20123223.8026.18Recalculated 645.308714.6369.322
16/04/20124123.8026.18Recalculated 652.269721.78169.511
16/04/20124223.8026.18Recalculated 667.153734.68467.530
16/04/20125127029.7Recalculated 692.25768.65376.403
16/04/20125222.6024.86Recalculated 730.216801.34771.130
16/04/20126124026.4Recalculated 785.475865.41879.942
16/04/20126222.4024.64Recalculated 860.388897.43737.048
16/04/20127124.9027.39Recalculated 922.091953.5531.458
16/04/20127225.5028.05Recalculated 965.097993.29628.199