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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 Nov 22, 2010 02:37:08 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
19/11/20108150.2225.1165.29Recalculated 1130.151282.182152.03
19/11/201082277.07138.54360.19Recalculated 1127.9341339.189211.25
19/11/201091329.45164.73428.29Recalculated 1134.9091387.697252.78
19/11/201092329.45164.73428.29Recalculated 1151.6051428.309276.70
19/11/2010101329.45164.73428.29Recalculated 1178.2551463.47285.21
19/11/2010102313.49156.74407.54Recalculated 1210.7971479.572268.77
19/11/2010111336168436.8Recalculated 1242.5111518.135275.62
19/11/2010112336168436.8Recalculated 1273.0451549.125276.07
19/11/2010121336168436.8Recalculated 1300.3141577.339277.02
19/11/2010122336168436.8Recalculated 1322.8461602.025279.17
19/11/2010131336168436.8Recalculated 1344.011634.807290.79
19/11/2010132336168436.8Recalculated 1370.11668.615298.51
19/11/2010141336168436.8Recalculated 1392.8621600.177207.31
19/11/2010142329.45164.73428.29Recalculated 1417.8761582.195164.31
19/11/2010151329.45164.73428.29Recalculated 1428.5271576.72148.19
19/11/2010152329.45164.73428.29Recalculated 1421.281601.201179.92
19/11/2010161329.45164.73428.29Recalculated 1389.7911595.533205.74
19/11/2010162329.45164.73428.29Recalculated 1361.4421569.706208.26
19/11/2010171269.38134.69350.19Recalculated 1330.9091532.205201.29
19/11/2010172136.4968.25177.44Recalculated 1303.6321480.505176.87
19/11/2010181109.3454.67142.14Recalculated 1269.0731427.705158.63
19/11/201018282.4341.22107.16Recalculated 1241.731401.502159.77
19/11/2010191157.6478.82204.93Recalculated 1215.8481399.665183.81
19/11/2010192230.61115.31299.79Recalculated 1193.0971385.539192.44
19/11/201020199.849.9129.74Recalculated 1174.681338.545163.86
19/11/2010202126.1263.06163.96Recalculated 1138.2151293.39155.17
19/11/2010211180.8890.44235.14Recalculated 1102.4581270.537168.07
19/11/201021243.3521.6756.35Recalculated 1054.0511214.089160.03
19/11/201022135038.5Recalculated 995.8561157.649161.79
19/11/2010222231.790254.97Recalculated 918.4591104.638186.17
19/11/2010231123.40135.74Recalculated 871.0771045.717174.64
19/11/2010232120.880132.97Recalculated 828.09989.916161.82
19/11/20100138.03041.83Recalculated 799.075928.749129.67
19/11/20100235038.5Recalculated 786.305897.93111.62
19/11/20101134.25037.67Recalculated 784.633883.52298.889
19/11/20101230033Recalculated 786.759864.97578.216
19/11/20102125.17027.69Recalculated 785.449852.61667.167
19/11/20102225.17027.69Recalculated 788.073843.16855.095
19/11/20103125.17027.69Recalculated 783.261835.08651.825
19/11/20103225.17027.69Recalculated 773.367824.59851.230
19/11/20104125.26027.79Recalculated 764.393825.55661.163
19/11/20104225.47028.02Recalculated 759.353818.35359
19/11/20105125.64028.2Recalculated 770.106807.49337.387
19/11/20105225.69028.26Recalculated 785.598812.53526.937
19/11/20106127.83030.61Recalculated 792.8830.38937.589
19/11/20106230033Recalculated 827.247868.61241.365
19/11/20107130.42033.46Recalculated 879.218916.06236.844
19/11/20107230.93034.02Recalculated 931.157965.27634.118