Interconnections between areas

In the market model there is defined an interconnection and transmission capacity between areas. These connections can represent either a physical line or a set of physical interconnecting lines. In the new prototype these interconnections are included in the load balance equations for each area, ensuring that the final generation dispatch takes into account any export / import between areas.

Some of these interconnections represent physical connections, typically HVDC connections. These HVDC-lines can connect areas in the market model both within synchronous and between asynchronous areas in the load flow model. These HVDC connections are defined in the file EFI-MODRED.DATA.

This file contains the following data:

  • Header counter (total number of areas with detailed network representation)

  • Interconnection parameters

  • End-of-file marker

Header counter

Total number of areas with detailed network representation

Record format:

<The number of areas with detailed network representation>,

Example:

3,

Interconnection parameters

Record format:

<Area 1>, <area name>, <area 2>, <area name>, <area of connection>, <name of step of connection>

Example:

For interconnections connecting an area with detailed network representation and an area without, there is only one line.

   3,'otra',   4,'term',   3,'EXCH otra-term',

For interconnections connecting areas with detailed network representation, there are two lines, one defining each connection point.

   1,'FINNMARK',  10,'FIN-NORD',   1,'FINNM-FI',
   1,'FINNMARK',  10,'FIN-NORD',  20,'FI-FINNM',

End of file

Each file must contain a end-of-file marker:

<End-of-file>,

  -1,'AVSLUTT',  -1,'SLUTT',

Example complete file

 3,
   3,'otra',   4,'term',   3,'EXCH otra-term',
  -1,'AVSLUTT',  -1,'SLUTT',

Note

For each connection there can be one or two lines of data. For interconnections connecting areas with detailed network representation, there are two lines, one defining each connection point.

For interconnections connecting an area with detailed network representation and an area without, there is only one line.

Interconnections between areas without load flow data are not included.

The interconnections have to be connected to a generation/load step defined in the market model.