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Known Gaps in the Data Supplied

as at 12th July 2010


The historical NEM data provided by the AEMO has a small number of instances where data appears to be missing or incorrect. As the AEMO data is downloaded to NEM-Review, these gaps and errors also exist in your local NEM-Review database, and our online web database.

Gaps may be rows missing from the database (when you view the data behind your query you will not see any rows for the missing trading periods), or values of 0 (you'll see a row for the affected trading interval with values of 0 in it).



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Data Set Date Ranges
Known Gaps in the Data Supplied
Units for Aggregated Data
Data Updates

Regions

Pool Price

Trading Data
DateTrading IntervalDataRegion
16/06/199906:00$0 valueQLD
29/08/199904:00$0 valueQLD
10/10/199904:00-06:30$0 valuesNSW, SNOWY and VIC
24/10/199904:00$0 valueQLD
26/12/199904:00$0 valueQLD
16/05/200500:30-13:30$0 valuesTAS (first coming online)
07/12/200516:30$0 valueSNOWY
02/02/200613:30-14:00$0 valuesSNOWY
18/02/201002:30$0 valueQLD
23/02/201002:30$0 valueQLD
22/04/201013:00$0 valueSA

Daily Average
DateRegionData
16/06/1999QLDDaily average is incorrect due to $0 trading price at 06:00
29/08/1999QLDDaily average is incorrect due to $0 trading price at 04:00
10/10/1999NSW, SNOWY, VICDaily averages are incorrect due to $0 trading prices at 04:00-06:30
24/10/1999QLDDaily average is incorrect due to $0 trading price at 04:00
16/05/2005TASDaily average is incorrect due to TAS first coming online

Demand

DateTrading IntervalDataRegion
12/04/199922:000 valuesAll
10/05/199901:00-01:30No dataAll
13/05/199914:00-15:00No dataAll
17/06/199914:00No dataAll
23/03/200013:30No dataAll
13/05/200011:30-12:00No dataAll
23/08/200014:00No dataAll
08/04/200111:30-00:00No dataAll
09/04/200100:30-01:00No dataAll
16/05/200500:30-13:30No dataTAS (first coming online)

Available Generation

DateTrading IntervalDataRegion
12/04/199922:000 valuesAll
10/05/199901:00-01:30No dataAll
13/05/199914:00-15:00No dataAll
17/06/199914:00No dataAll
23/03/200013:30No dataAll
13/05/200011:30-12:00No dataAll
23/08/200014:00No dataAll
08/04/200111:30-00:00No dataAll
09/04/200100:30-01:00No dataAll
16/05/200500:30-13:30No dataTAS (first coming online)
16/05/200514:00-17:000 valuesTAS (first coming online)

Generators

Generation (As Generated)

DateTrading IntervalDataUnit
12/04/199922:000 valuesAll
10/05/199901:00-01:300 valuesAll
13/05/199914:00-15:000 valuesAll
17/06/199914:000 valuesAll
23/03/200013:300 valuesAll
13/05/200011:30-12:000 valuesAll
23/08/200014:000 valuesAll
08/04/200123:30-00:000 valuesAll
09/04/200100:30-01:000 valuesAll

Available Generation

DateTrading IntervalDataUnit
16/07/200219:00-00:00No dataMRIDGE and SWAN_A_1-6Middle Ridge Gas Turbine and Swanbank A units going offline
04/12/200200:30-09:00No dataRT_NSW1, RT_QLD1, RT_SA1, RT_VIC1Regional Reserve Trader units coming online
06/12/200211:30-00:00No dataRT_NSW1, RT_QLD1, RT_SA1, RT_VIC1Regional Reserve Trader units going offline
07/12/2002AllNo dataRT_NSW1, RT_QLD1, RT_SA1, RT_VIC1Regional Reserve Trader units offline
08/12/2002AllNo dataRT_NSW1, RT_QLD1, RT_SA1, RT_VIC1Regional Reserve Trader units offline
09/12/200200:30-13:00No dataRT_NSW1, RT_QLD1, RT_SA1, RT_VIC1Regional Reserve Trader units coming back online
10/01/200600:30-08:30No dataRT_VIC2 to RT_VIC12, RT_SA2 to RT_SA6Regional Reserve Trader units coming online
31/01/200614:00-00:00No dataVPGS1, VPGS2, VPGS3, VPGS4, VPGS5, VPGS6Valley Power units going offline
31/01/200600:30-13:30No dataVPGSNew Valley Power unit coming online
02/03/200600:30-16:00No dataLAVNORTHLaverton North coming online
30/05/200600:30-04:00No dataBRAEMAR1, BRAEMAR2, BRAEMAR3Braemar coming online
30/05/2006AllNo dataBBTHREE1, BBTHREE2, BBTHREE3Tamar Valley Peaking Plant
02/06/2006AllNo dataBBTHREE1, BBTHREE2, BBTHREE3Tamar Valley Peaking Plant
03/06/2007AllNo dataBBTHREE1, BBTHREE2, BBTHREE4Tamar Valley Peaking Plant
04/06/2008AllNo dataBBTHREE1, BBTHREE2, BBTHREE5Tamar Valley Peaking Plant
05/06/2009AllNo dataBBTHREE1, BBTHREE2, BBTHREE6Tamar Valley Peaking Plant
16/11/200900:30No dataDDPS1Darling Downs coming online

Interconnectors

Flow

DateTrading IntervalDataInterconnector
12/04/199922:000 valuesAll
10/05/199901:00-01:300 valuesAll
13/05/199914:00-15:000 valuesAll
17/06/199914:000 valuesAll
24/12/199912:300 valuesAll
23/03/200013:300 valuesAll
13/05/200011:30-12:000 valuesAll
23/08/200014:000 valuesAll
08/03/200123:30-00:000 valuesAll
09/04/200100:30-01:000 valuesAll

Loss

DateTrading IntervalDataInterconnector
12/04/199922:00Missing dataAll
10/05/199901:00-01:30Missing dataAll
13/05/199914:00-15:00Missing dataAll
17/06/199914:00Missing dataAll
24/12/199912:300 valuesAll
23/03/200013:30Missing dataAll
13/05/200011:30-12:00Missing dataAll
23/08/200014:00Missing dataAll
06/10/200013:000 valuesAll
08/04/200123:30-00:00Missing dataAll
09/04/200100:30-01:00Missing dataAll
29/10/200104:000 valuesAll

Import Limit

DateTrading IntervalDataInterconnector
12/04/199922:00No dataAll
12/04/199922:30Incomplete dataAll
10/05/199901:00:-01:30No dataAll
13/05/199914:00-15:00No dataAll
17/06/199914:00No dataAll
23/03/200013:30No dataAll
13/05/200011:30-12:00No dataAll
23/08/200014:00No dataAll
08/04/200123:30-00:00No dataAll
09/04/200100:30-01:00No dataAll

Export Limit

DateTrading IntervalDataInterconnector
12/04/199922:00No dataAll
12/04/199922:30Incomplete dataAll
10/05/199901:00:-01:30No dataAll
13/05/199914:00-15:00No dataAll
17/06/199914:00No dataAll
23/03/200013:30No dataAll
13/05/200011:30-12:00No dataAll
23/08/200014:00No dataAll
08/04/200123:30-00:00No dataAll
09/04/200100:30-01:00No dataAll
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