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Constrained-on/off costs and volumes

The system operator may on occasion need to dispatch plant out of merit order or, conversely, not dispatch plant that is in the merit order - see clauses 13.192 to 13.212 of the Code for the precise details. Participants are compensated with constrained-on or constrained-off payments when this occurs.

A file is published each month that contains constrained-on/off costs and volumes by participant, location, trading period, and constraint type. See here  for more information about these files.

Name Date modified File size
201812_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,079 KB
201811_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 1,937 KB
201810_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,247 KB
201809_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,053 KB
201808_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,115 KB
201807_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,162 KB
201806_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,003 KB
201805_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,039 KB
201804_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,167 KB
201803_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,167 KB
201802_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 1,848 KB
201801_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,117 KB
201712_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,036 KB
201711_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,018 KB
201710_ConstrainedOnOffCostsAndAmounts.csv 14 Feb 2019 2,359 KB
201709_ConstrainedOnOffCostsAndAmounts.csv 10 Jan 2019 2,443 KB
201708_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,271 KB
201707_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,082 KB
201706_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,052 KB
201705_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,082 KB
201704_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,823 KB
201703_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,824 KB
201702_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,869 KB
201701_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,172 KB
201612_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,996 KB
201611_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,731 KB
201610_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,882 KB
201609_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,006 KB
201608_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,146 KB
201607_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,281 KB
201606_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,210 KB
201605_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,228 KB
201604_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,242 KB
201603_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,164 KB
201602_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,064 KB
201601_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,266 KB
201512_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,129 KB
201511_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,272 KB
201510_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,321 KB
201509_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,081 KB
201508_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,297 KB
201507_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,347 KB
201506_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,258 KB
201505_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,242 KB
201504_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,391 KB
201503_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,865 KB
201502_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,833 KB
201501_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 2,065 KB
201412_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,937 KB
201411_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,826 KB
201410_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,915 KB
201409_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,977 KB
201408_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,991 KB
201407_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,247 KB
201406_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,105 KB
201405_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,291 KB
201404_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,236 KB
201403_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,226 KB
201402_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,064 KB
201401_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,089 KB
201312_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,028 KB
201311_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,034 KB
201310_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,112 KB
201309_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,229 KB
201308_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,266 KB
201307_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,217 KB
201306_ConstrainedOnOffCostsAndAmounts.csv 19 Dec 2018 1,153 KB
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