ifference between revisions of "EMO:Data Initialisation"

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{{#hidens:}}
 
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''EMarketOffer'' requires three types of externally sourced '''''input data:'''''
+
When setting up your data feeds, we strongly recommend that you involve our developers in this work
*Transmission System (Grid) data
+
so that we can help to ensure you have the best data to work with.
 +
We will also ensure that you are able to access and download the daily updated grid and reserves files
 +
which include data back to 22-Jul-09.  Contact the developers through the [[Help:Contents|help desk]].
 +
 
 +
''EMarketOffer'' requires five types of externally sourced '''''input data:'''''
 +
*Transmission system (grid) data
 
*Reserves data
 
*Reserves data
 
*Market data
 
*Market data
 +
*Manual constraint data sourced from the SO's web site
 +
*Outage data sourced from POCP
  
 
===Grid and Reserves Data===
 
===Grid and Reserves Data===
 
''EMarketOffer'' can create a set of grid data (circuit details, line re-ratings and constraints) at run time from one of four sources:
 
''EMarketOffer'' can create a set of grid data (circuit details, line re-ratings and constraints) at run time from one of four sources:
*Historical transmission system data files provided by Energy Link
+
#Historical transmission system data files provided by Energy Link
*Transmission system files sourced through the online EM6 or COMIT data services
+
#Transmission system files sourced through the EM6 web site operated by Transpower division EMS
*In-house Transmission System databases
+
#In-house databases
*The files available each business day from the Energy Link web site (for grids from 16-Jul-09 onward)
+
#The files available each business day from the Energy Link web site (for grids from 22-Jul-09 onward)
  
Of the sources above, only the daily updated grid files from 16-Jul-09 are now supported (though other types of existing grid data can still be used).
+
'''Of the sources above, 1 - 3 are legacy data sources and we have stopped supporting them as the data available from EM6 is incomplete for the purposes required in ''EMarketOffer'', and because we have gone to great effort to provide daily grid and reserves files that include all data reuired to solve the market by half hour.  Only the daily updated grid files from 22-Jul-09 are now supported.  The daily updated files also include full reserves data.'''
  
On startup ''EMarketOffer'' uses Transmission System data from EM6/COMIT files in the Grid sub-folder by preference unless the '''Use Grid File Inputs box''' in the '''''Source Data Administration Window''''' is checked. External database connections are used as a secondary data source where these files are absent or invalidly formatted.
+
On startup ''EMarketOffer'' checks the Energy Link web site for the new grid and reserves data and automatically downloads files if you are not up to date.
  
 +
The '''Connect Grid Data Tables''' check box in the '''''Database Connection Settings''''' window can be checked if you wish to use grid data from your own database, subject to the following:
 
----
 
----
'''WARNING!''' ''EMarketOffer'' will ignore any database links defined through the '''''Data Connection Window''''' for Transmission System data if the data can be obtained from file and the Use Grid File Inputs box in the Source Data Administration Window is unchecked.
+
'''WARNING!''' ''EMarketOffer'' will ignore any database links for grid data if grid data can be obtained from files.  To use grid data from your own database you must delete any grid data files that are downloaded by ''EMarketOffer'' on startup.
 
----
 
----
  
Configuration of the connection between ''EMarketOffer'' and your online databases of Transmission System data will be unique to your site. You should not attempt to create Connections without first consulting technical support both in your company and at Energy Link.
+
'''DISCLAIMER''':  Energy Link takes a great deal of care in extracting grid and reserves data from the SPD daily final pricing case data files
 +
provided on the Electricity Authority's web site.  However, we are totally unsupported in this endeavour and cannot in anyway guarantee the accuracy
 +
of the data we provide to ''EMarketOffer'' users.  We provide the data in good faith and will not be held liable for the use of the data in ''EMarketOffer''
 +
  or in any other application, for the accuracy of the data, or for any special or consequential damages or losses resulting in any way whatsoever from the use of the data.
  
The typical ''EMarketOffer'' installation is configured to use file or database exclusivelyHowever, if you want to switch between file and database sources for Transmission System data you will need to obtain the latest EM6/COMIT files and save them in the '''''appropriate folders.''''' You will also need to define the correct links to your online database sources.
+
===Market Data===
 +
Dynamic market data can be loaded into ''EMarketOffer'' directly from in-house databases.  Care should be taken when constructing database queries to ensure the data that best suits your needs is returnedIn particular, think through the following issues before finalising your queries:
 +
*Demand and Generation figures can be obtained from SCADA, WITS Daily Demand, reconciled GXP demand data or by processing arcflow and generation data.  Which of these best suits your needs?
 +
*Offers files contain offers from Embedded GeneratorsHow do you wish to deal with embedded generators?  Is your demand data consistent with your treatment of embedded generators?
  
'''''To force the system to use the online database where EM6/COMIT files exist in the Grid folder:'''''
+
Generation and price data must be loaded from database in Market View.  Offer and Demand data can be loaded from database or, in Forecasts, it can also be loaded from files.  In Power Flows, demand and generation can be loaded from database or from files.  Offer files are published on http://www.electricityinfo.co.nz the business day after the day the Offers relate to.  If your database does not contain Offers data you can update the Offers folder with the latest files from this web site as required.
#Shut down ''EMarketOffer''
 
#Rename the EM6 and COMIT sub-folders to easy-to-remember names
 
#Re-start ''EMarketOffer''
 
  
'''''To force the system to use the transmission system data files again:'''''
+
If your database does not store Demand data you will need to create Demand files manually using a third party program such as Excel.  All files should be formatted in accordance with the templates provided in '''''[[EMO:Data File Formats|Data File Formats]]'''''.
#Shut down ''EMarketOffer''
 
#Return the renamed EMS and COMIT sub-folders back to their original names
 
#Re-start ''EMarketOffer''
 
  
===Market Data===
+
=== Manual constraints ===
Dynamic market data can be loaded into ''EMarketOffer'' directly from online databases.  Care should be taken when constructing database queries to ensure the data that best suits your needs is returned.  In particular think through the following issues before finalising your queries:
+
This data is sourced from the SO's web site (see
*Demand and Generation figures can be obtained from SCADA, COMIT Daily Demand, and reconciled and arcflow data.  Which of these best suits your needs?
 
*Offers files contain offers from Embedded Generators.  How do you wish to deal with embedded generators?
 
  
Only Offer and Demand data can be loaded directly from file (i.e. generation and price data must be loaded from database).  Offers files are published on the COMIT website two weeks after the day the Offers were made.  If your database does not contain Offers data you can update the Offers folder with the latest files from COMIT on a regular basis.
+
=== POCP data ===
  
If your database does not store Demand data you will need to create Demand files manually using a third party program such as Excel.  All files should be formatted in accordance with the templates provided in '''''[[EMO:Data File Formats|Data File Formats]]'''''.
 
 
----
 
NOTE: The installation package may contain EM6/COMIT data files defining the Transmission System and various types of Constraint that have been or are expected to be applied.  When provided these files will be the latest available to Energy Link at the time the package was constructed and will allow you to begin using ''EMarketOffer'' right away.  However, the full content of these files changes daily and you should update them regularly (particularly if you are using the program to make detailed short term forecasts of the immediate future).  Unless otherwise informed, you are also advised to replace these files with current downloads before using ''EMarketOffer'' for anything other than product familiarisation and training purposes.
 
  
  
[[EMO:Getting Started|Back]] - [[EMO:EMarketOffer User Manual|Home]]
+
[[Main Page|Home]]

Latest revision as of 15:52, 7 February 2014

When setting up your data feeds, we strongly recommend that you involve our developers in this work
so that we can help to ensure you have the best data to work with.
We will also ensure that you are able to access and download the daily updated grid and reserves files
which include data back to 22-Jul-09.  Contact the developers through the help desk.

EMarketOffer requires five types of externally sourced input data:

  • Transmission system (grid) data
  • Reserves data
  • Market data
  • Manual constraint data sourced from the SO's web site
  • Outage data sourced from POCP

Grid and Reserves Data

EMarketOffer can create a set of grid data (circuit details, line re-ratings and constraints) at run time from one of four sources:

  1. Historical transmission system data files provided by Energy Link
  2. Transmission system files sourced through the EM6 web site operated by Transpower division EMS
  3. In-house databases
  4. The files available each business day from the Energy Link web site (for grids from 22-Jul-09 onward)

Of the sources above, 1 - 3 are legacy data sources and we have stopped supporting them as the data available from EM6 is incomplete for the purposes required in EMarketOffer, and because we have gone to great effort to provide daily grid and reserves files that include all data reuired to solve the market by half hour. Only the daily updated grid files from 22-Jul-09 are now supported. The daily updated files also include full reserves data.

On startup EMarketOffer checks the Energy Link web site for the new grid and reserves data and automatically downloads files if you are not up to date.

The Connect Grid Data Tables check box in the Database Connection Settings window can be checked if you wish to use grid data from your own database, subject to the following:


WARNING! EMarketOffer will ignore any database links for grid data if grid data can be obtained from files. To use grid data from your own database you must delete any grid data files that are downloaded by EMarketOffer on startup.


DISCLAIMER:  Energy Link takes a great deal of care in extracting grid and reserves data from the SPD daily final pricing case data files
provided on the Electricity Authority's web site.  However, we are totally unsupported in this endeavour and cannot in anyway guarantee the accuracy
of the data we provide to EMarketOffer users.  We provide the data in good faith and will not be held liable for the use of the data in EMarketOffer
or in any other application, for the accuracy of the data, or for any special or consequential damages or losses resulting in any way whatsoever from the use of the data.

Market Data

Dynamic market data can be loaded into EMarketOffer directly from in-house databases. Care should be taken when constructing database queries to ensure the data that best suits your needs is returned. In particular, think through the following issues before finalising your queries:

  • Demand and Generation figures can be obtained from SCADA, WITS Daily Demand, reconciled GXP demand data or by processing arcflow and generation data. Which of these best suits your needs?
  • Offers files contain offers from Embedded Generators. How do you wish to deal with embedded generators? Is your demand data consistent with your treatment of embedded generators?

Generation and price data must be loaded from database in Market View. Offer and Demand data can be loaded from database or, in Forecasts, it can also be loaded from files. In Power Flows, demand and generation can be loaded from database or from files. Offer files are published on http://www.electricityinfo.co.nz the business day after the day the Offers relate to. If your database does not contain Offers data you can update the Offers folder with the latest files from this web site as required.

If your database does not store Demand data you will need to create Demand files manually using a third party program such as Excel. All files should be formatted in accordance with the templates provided in Data File Formats.

Manual constraints

This data is sourced from the SO's web site (see

POCP data

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