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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 30, 2012 02:35:50 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
28/04/20128127.991436.39Recalculated 915.861892.362-23.49
28/04/20128227.8913.9536.26Recalculated 937.801938.5960.7949
28/04/20129127.8913.9536.26Recalculated 946.676941.16-5.516
28/04/20129227.813.936.14Recalculated 948.614974.08725.472
28/04/201210127.8113.9136.15Recalculated 948.066995.75247.685
28/04/201210227.7913.936.13Recalculated 945.57993.45647.885
28/04/201211127.7513.8836.07Recalculated 947.1961001.46254.265
28/04/201211227.7213.8636.04Recalculated 950.566991.12340.557
28/04/201212127.6913.8536Recalculated 953.991981.33927.348
28/04/201212227.6813.8435.98Recalculated 954.805957.8983.0930
28/04/201213127.6613.8335.96Recalculated 956.755930.094-26.66
28/04/201213227.6613.8335.96Recalculated 941.009937.14-3.869
28/04/201214127.6513.8335.95Recalculated 930.43942.87312.443
28/04/201214227.6513.8335.95Recalculated 921.508934.64813.139
28/04/201215127.6413.8235.93Recalculated 924.68958.39633.716
28/04/201215229.914.9538.87Recalculated 915.572998.88683.313
28/04/201216133.1816.5943.13Recalculated 909.3291006.93497.605
28/04/201216233.1816.5943.13Recalculated 926.9071010.10583.197
28/04/20121714522.558.5Recalculated 957.431048.67991.249
28/04/20121726331.581.9Recalculated 969.2491094.538125.28
28/04/201218138.6619.3350.26Recalculated 978.5561048.23369.676
28/04/201218234.6617.3345.06Recalculated 976.1641004.15827.994
28/04/201219131.0615.5340.38Recalculated 955.703985.91130.207
28/04/201219230.815.440.04Recalculated 926.667983.72657.058
28/04/201220127.6113.8135.89Recalculated 898.549941.37842.829
28/04/201220226.513.2534.45Recalculated 848.177879.98231.804
28/04/201221125.812.933.54Recalculated 835.712875.32939.616
28/04/201221243.9821.9957.17Recalculated 815.363909.42194.057
28/04/201222155.37060.91Recalculated 803.087904.98101.89
28/04/201222227029.7Recalculated 786.679847.14360.464
28/04/201223127029.7Recalculated 765.874847.51381.639
28/04/201223225.8028.38Recalculated 743.421826.0782.649
28/04/20120135038.5Recalculated 719.584830.776111.19
28/04/20120233.18036.5Recalculated 695.918802.564106.64
28/04/20121127.2029.92Recalculated 675.821772.8997.068
28/04/20121227029.7Recalculated 664.982759.88694.904
28/04/20122125.2027.72Recalculated 662.515742.06779.552
28/04/20122224.81027.29Recalculated 655.283724.49869.215
28/04/20123121.51023.66Recalculated 649.81686.65736.847
28/04/20123217.44019.18Recalculated 650.491664.41413.923
28/04/20124121.1023.21Recalculated 658.672688.62129.948
28/04/20124221.7023.87Recalculated 665.891705.44539.554
28/04/20125121.51023.66Recalculated 675.446698.30822.861
28/04/20125224.9027.39Recalculated 684.879719.36934.490
28/04/20126121.51023.66Recalculated 709.349719.80510.455
28/04/20126221.1023.21Recalculated 752.014732.248-19.76
28/04/20127117.59019.35Recalculated 769.979745.789-24.19
28/04/20127217.51019.26Recalculated 769.633782.77213.139