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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 28, 2012 02:35:13 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
26/03/20128182.4341.22107.16Recalculated 1137.8121229.25491.442
26/03/20128282.4341.22107.16Recalculated 1146.5511240.23193.680
26/03/20129180.8240.41105.07Recalculated 1137.0311219.25482.222
26/03/20129272.3336.1794.03Recalculated 1147.1751215.49268.317
26/03/201210170.4935.2491.64Recalculated 1140.9641214.43573.471
26/03/20121026331.581.9Recalculated 1139.6191197.28957.670
26/03/20121115527.571.5Recalculated 1148.8611191.40742.545
26/03/201211260.5830.2978.75Recalculated 1154.6941186.73732.043
26/03/201212158.4629.2376Recalculated 1159.2011175.79516.594
26/03/201212255.9627.9872.75Recalculated 1165.7121168.8343.1220
26/03/20121314522.558.5Recalculated 1179.4781160.304-19.17
26/03/20121324522.558.5Recalculated 1184.5471161.774-22.77
26/03/201214148.0624.0362.48Recalculated 1189.4191169.703-19.71
26/03/201214248.0624.0362.48Recalculated 1187.7761165.525-22.25
26/03/201215148.0624.0362.48Recalculated 1191.8561170.718-21.13
26/03/201215248.0624.0362.48Recalculated 1184.5931174.229-10.36
26/03/20121615527.571.5Recalculated 1179.5241178.592-0.931
26/03/201216248.0624.0362.48Recalculated 1169.3861169.4770.0910
26/03/201217148.0624.0362.48Recalculated 1169.3861167.472-1.913
26/03/20121724522.558.5Recalculated 1156.6361157.6330.9970
26/03/201218139.9719.9951.96Recalculated 1141.1191150.7169.5969
26/03/20121826331.581.9Recalculated 1140.551180.38239.832
26/03/20121916331.581.9Recalculated 1120.2091157.1336.921
26/03/201219251.6525.8367.14Recalculated 1107.4221128.10920.686
26/03/201220133.616.843.68Recalculated 1081.1031099.52518.422
26/03/201220229.7214.8638.64Recalculated 1036.1431067.5131.366
26/03/201221129.714.8538.61Recalculated 999.0011017.61818.617
26/03/201221219.729.8625.64Recalculated 952.948953.7760.8279
26/03/201222133.32036.65Recalculated 823.917875.09751.179
26/03/201222232035.2Recalculated 782.318831.37849.060
26/03/201223129.7032.67Recalculated 743.413787.7844.366
26/03/201223222024.2Recalculated 721.843748.9927.147
26/03/20120121.3023.43Recalculated 708.705739.24230.536
26/03/20120217.55019.31Recalculated 708.705721.67612.971
26/03/20121117.55019.31Recalculated 708.706711.3582.6519
26/03/20121217.55019.31Recalculated 708.705716.1617.4559
26/03/20122117.55019.31Recalculated 705.319712.6337.3140
26/03/20122215016.5Recalculated 705.319709.2633.9440
26/03/20123115016.5Recalculated 705.319703.764-1.554
26/03/20123215016.5Recalculated 705.319701.872-3.447
26/03/20124115016.5Recalculated 705.319707.3642.0450
26/03/20124217.68019.45Recalculated 710.57714.4663.8959
26/03/20125122024.2Recalculated 738.624749.67711.052
26/03/20125229.7032.67Recalculated 763.198794.16330.965
26/03/20126132.09035.3Recalculated 841.727871.16229.435
26/03/20126231.14034.25Recalculated 910.249918.4898.2400
26/03/20127130.99034.09Recalculated 983.697994.35210.654
26/03/20127230.51033.56Recalculated 1023.2971035.8212.522