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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 Mar 21, 2012 02:35:10 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
19/03/20128180.7240.36104.94Recalculated 1133.71177.05743.356
19/03/20128280.7240.36104.94Recalculated 1158.5851185.33826.752
19/03/20129180.7240.36104.94Recalculated 1175.2941202.98227.687
19/03/20129280.7240.36104.94Recalculated 1189.721206.64216.922
19/03/201210180.7240.36104.94Recalculated 1207.1461235.46528.318
19/03/201210286.9643.48113.05Recalculated 1214.9821270.31255.329
19/03/2012111203.77101.89264.9Recalculated 1221.3141287.93866.624
19/03/2012112314157408.2Recalculated 1221.3141299.52278.207
19/03/2012121314157408.2Recalculated 1227.531311.78384.252
19/03/2012122314157408.2Recalculated 1228.721312.47983.759
19/03/2012131314157408.2Recalculated 1238.6811331.84793.165
19/03/2012132314157408.2Recalculated 1244.5271347.11102.58
19/03/2012141314157408.2Recalculated 1247.2761367.977120.70
19/03/2012142314157408.2Recalculated 1251.071370.091119.02
19/03/2012151314157408.2Recalculated 1259.0741365.685106.61
19/03/2012152314157408.2Recalculated 1251.9661361.311109.34
19/03/2012161314157408.2Recalculated 1242.9731357.537114.56
19/03/2012162314157408.2Recalculated 1229.4441343.41113.96
19/03/2012171314157408.2Recalculated 1228.9831307.10478.121
19/03/2012172314157408.2Recalculated 1205.751288.58182.830
19/03/201218186.6443.32112.63Recalculated 1193.0371259.99966.961
19/03/201218286.743.35112.71Recalculated 1190.2081264.25274.043
19/03/201219184.8742.44110.33Recalculated 1177.1831248.31671.133
19/03/201219280.7240.36104.94Recalculated 1166.2061209.91543.709
19/03/201220180.7240.36104.94Recalculated 1144.7161168.17123.455
19/03/20122026532.584.5Recalculated 1103.4051098.25-5.154
19/03/201221131.9615.9841.55Recalculated 1058.0931014.181-43.91
19/03/201221224.8212.4132.27Recalculated 1023.735969.246-54.48
19/03/201222151.99057.19Recalculated 902.162983.90381.740
19/03/201222238.06041.87Recalculated 841.363912.74971.385
19/03/201223128.62031.48Recalculated 781.951833.36651.414
19/03/201223228.35031.19Recalculated 761.535794.99633.461
19/03/20120126.18028.8Recalculated 733.431771.98438.553
19/03/20120224.9027.39Recalculated 729.837758.55528.717
19/03/20121124.6027.06Recalculated 728.54756.54928.009
19/03/20121223.3025.63Recalculated 725.399746.72221.322
19/03/20122123.3025.63Recalculated 731.77745.75213.981
19/03/20122221.7023.87Recalculated 731.77734.8493.0790
19/03/20123116017.6Recalculated 725.359715.978-9.381
19/03/20123217.78019.56Recalculated 725.859719.739-6.120
19/03/20124121.3023.43Recalculated 726.859729.9863.1269
19/03/20124217.79019.57Recalculated 729.837724.484-5.352
19/03/20125121.3023.43Recalculated 730.265734.5264.2609
19/03/20125225.8028.38Recalculated 758.5766.4817.9809
19/03/20126143.86048.25Recalculated 831.766859.50227.735
19/03/20126238041.8Recalculated 906.005909.0223.0170
19/03/20127130033Recalculated 969.9953.349-16.55
19/03/20127230033Recalculated 1003.067983.764-19.30