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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 Jun 18, 2012 02:35:39 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
14/06/20128172.9536.4794.83Recalculated 1167.1581245.40378.245
14/06/20128260.2330.1278.3Recalculated 1165.7081232.75267.043
14/06/20129151.4925.7566.94Recalculated 1156.3841214.97958.595
14/06/20129239.3119.6651.1Recalculated 1139.7491183.05843.308
14/06/201210144.9822.4958.47Recalculated 1122.2221207.50485.281
14/06/2012102562872.8Recalculated 1112.1791226.571114.39
14/06/201211151.3625.6866.77Recalculated 1104.6781200.09795.418
14/06/201211240.8220.4153.07Recalculated 1104.7741173.01668.242
14/06/201212149.824.964.74Recalculated 1106.431185.07478.644
14/06/201212244.9822.4958.47Recalculated 1106.9511182.09275.141
14/06/201213153.992770.19Recalculated 1110.9411217.125106.18
14/06/201213262.1331.0780.77Recalculated 1105.581245.323139.74
14/06/201214158.8729.4376.53Recalculated 1104.8851230125.11
14/06/201214260.0230.0178.03Recalculated 1106.841222.024115.18
14/06/201215160.0230.0178.03Recalculated 1110.7081251.893141.18
14/06/2012152314157408.2Recalculated 1133.9431321.256187.31
14/06/2012161311.86155.93405.42Recalculated 1149.0341338.734189.69
14/06/2012162204.99102.5266.49Recalculated 1199.1271350.9151.77
14/06/201217185.3342.67110.93Recalculated 1251.9491390.461138.51
14/06/201217298.2449.12127.71Recalculated 1319.4611452.199132.73
14/06/2012181102.8551.42133.7Recalculated 1365.941445.44479.503
14/06/2012182102.7751.38133.6Recalculated 1382.2851445.20262.916
14/06/201219199.3249.66129.12Recalculated 1366.8391410.32943.490
14/06/201219291.9245.96119.5Recalculated 1321.8611371.9650.098
14/06/201220178.6439.32102.23Recalculated 1276.0181347.17271.154
14/06/201220262.9331.4781.81Recalculated 1218.551295.0776.519
14/06/201221153.5726.7969.64Recalculated 1166.4481215.26848.819
14/06/201221247.992462.39Recalculated 1078.0321133.9855.948
14/06/201222130.2033.22Recalculated 1001.0631026.94725.883
14/06/201222213.23014.55Recalculated 924.001926.6892.6879
14/06/201223128030.8Recalculated 861.113878.37817.264
14/06/201223228.8031.68Recalculated 810.419832.00421.585
14/06/20120128.8031.68Recalculated 771.658796.34324.684
14/06/20120228030.8Recalculated 743.263766.04522.781
14/06/20121128030.8Recalculated 731.464755.123.635
14/06/20121227.83030.61Recalculated 733.597738.4614.8640
14/06/20122127.6030.36Recalculated 730.016726.843-3.173
14/06/20122227.91030.7Recalculated 722.896721.766-1.129
14/06/20123127.99030.79Recalculated 716.421719.4253.0039
14/06/20123228030.8Recalculated 719.5736.53117.030
14/06/20124127.84030.62Recalculated 732.514744.78212.268
14/06/20124217.49019.24Recalculated 755.581752.539-3.042
14/06/20125117.49019.24Recalculated 792.709811.35918.650
14/06/20125217.44019.18Recalculated 851.477866.15814.681
14/06/20126124.81027.29Recalculated 941.044955.05114.007
14/06/20126230.2033.22Recalculated 1046.2441065.73319.489
14/06/20127161.73067.9Recalculated 1108.7231207.6598.927
14/06/20127253.72059.09Recalculated 1177.2271233.89956.671