History

There are two balancing prices determined by the IMO:

The Provisional Balancing Price, which is the dollar per MWh price calculated in accordance with clause 7A.3.8(b).
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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Trading Day	Hour of Day	Trading Interval	MCAP Price per MWh	UDAP Price per MWh	DDAP Price per MWh	Reason Code	Scheduled System Load MWh	Relevant Quantity MWh	Balancing Quantity MWh
Administered Balancing Prices (SWIS) (Data Extraction from WEMS occurred at Mar 24, 2011 02:35:21 PM)
22/03/2011	8	1	30.68	15.34	39.88	Recalculated	1231.172	1136.086	-95.08
22/03/2011	8	2	46.94	23.47	61.02	Recalculated	1251.593	1166.941	-84.65
22/03/2011	9	1	36.11	18.06	46.94	Recalculated	1289.484	1201.826	-87.65
22/03/2011	9	2	41.6	20.8	54.08	Recalculated	1316.257	1238.403	-77.85
22/03/2011	10	1	47.6	23.8	61.88	Recalculated	1343.211	1276.031	-67.18
22/03/2011	10	2	57.47	28.74	74.71	Recalculated	1368.569	1312.862	-55.70
22/03/2011	11	1	61.17	30.58	79.52	Recalculated	1390.214	1351.894	-38.31
22/03/2011	11	2	60.84	30.42	79.09	Recalculated	1434.244	1384.782	-49.46
22/03/2011	12	1	62.92	31.46	81.8	Recalculated	1453.175	1408.846	-44.32
22/03/2011	12	2	64.02	32.01	83.23	Recalculated	1480.056	1428.081	-51.97
22/03/2011	13	1	65	32.5	84.5	Recalculated	1488.199	1432.766	-55.43
22/03/2011	13	2	65	32.5	84.5	Recalculated	1495.918	1436.97	-58.94
22/03/2011	14	1	65	32.5	84.5	Recalculated	1513.281	1435.971	-77.30
22/03/2011	14	2	41.6	20.8	54.08	Recalculated	1533.455	1425.529	-107.9
22/03/2011	15	1	38.84	19.42	50.49	Recalculated	1541.241	1425.094	-116.1
22/03/2011	15	2	38.84	19.42	50.49	Recalculated	1546.484	1427.891	-118.5
22/03/2011	16	1	38.84	19.42	50.49	Recalculated	1547.28	1415.7	-131.5
22/03/2011	16	2	38.88	19.44	50.54	Recalculated	1545.132	1417.524	-127.6
22/03/2011	17	1	38.79	19.4	50.43	Recalculated	1536.151	1405.976	-130.1
22/03/2011	17	2	38.91	19.46	50.58	Recalculated	1532.675	1374.57	-158.1
22/03/2011	18	1	40.07	20.04	52.09	Recalculated	1522.58	1343.776	-178.8
22/03/2011	18	2	42.01	21	54.61	Recalculated	1516.601	1369.016	-147.5
22/03/2011	19	1	42.2	21.1	54.86	Recalculated	1508.553	1370.089	-138.4
22/03/2011	19	2	41.6	20.8	54.08	Recalculated	1474.399	1342.906	-131.4
22/03/2011	20	1	36.71	18.36	47.72	Recalculated	1435.32	1296.435	-138.8
22/03/2011	20	2	32.01	16	41.61	Recalculated	1390.852	1243.391	-147.4
22/03/2011	21	1	22	11	28.6	Recalculated	1336.537	1188.967	-147.5
22/03/2011	21	2	23	11.5	29.9	Recalculated	1226.218	1134.047	-92.17
22/03/2011	22	1	19.85	0	21.84	Recalculated	1085.857	1067.528	-18.32
22/03/2011	22	2	20.12	0	22.13	Recalculated	1033.478	1011.842	-21.63
22/03/2011	23	1	27.76	0	30.54	Recalculated	972.879	971.709	-1.170
22/03/2011	23	2	28.31	0	31.14	Recalculated	928.153	932.431	4.2780
22/03/2011	0	1	30.02	0	33.02	Recalculated	874.347	906.237	31.889
22/03/2011	0	2	29.31	0	32.24	Recalculated	852.946	887.124	34.178
22/03/2011	1	1	29.57	0	32.53	Recalculated	833.024	869.275	36.250
22/03/2011	1	2	29.57	0	32.53	Recalculated	815.195	849.302	34.106
22/03/2011	2	1	29.57	0	32.53	Recalculated	826.608	841.31	14.701
22/03/2011	2	2	29.57	0	32.53	Recalculated	828.126	834.997	6.8709
22/03/2011	3	1	29.57	0	32.53	Recalculated	826.691	838.26	11.568
22/03/2011	3	2	29.57	0	32.53	Recalculated	825.271	846.408	21.137
22/03/2011	4	1	28.24	0	31.06	Recalculated	828.903	863.482	34.578
22/03/2011	4	2	28.67	0	31.54	Recalculated	838.661	875.842	37.181
22/03/2011	5	1	38.27	0	42.1	Recalculated	852.946	915.623	62.677
22/03/2011	5	2	40	0	44	Recalculated	897.079	945.309	48.230
22/03/2011	6	1	75.97	0	83.57	Recalculated	873.372	996.998	123.62
22/03/2011	6	2	112.91	0	124.2	Recalculated	810.648	1030.838	220.18
22/03/2011	7	1	36.18	0	39.8	Recalculated	1140.978	1106.216	-34.76
22/03/2011	7	2	41.6	0	45.76	Recalculated	1187.048	1145.014	-42.03