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Elering has launched a new version of its Available Connection Capacities (VLA) app, which calculates not only available connection capacities in substations but the estimated cost of connecting to the grid in cases where additional investments must be made to transmission lines in order to accommodate the customer’s connection to a specific substation.

Until now, VLA could be used to find the approximate available connection capacities at substations that did not require the transmission lines’ service capacity to be increased. The app now will calculate expenses needed to connect to a specific substation if an upgrade to transmission lines and additional investments at the substation are needed.

The app calculates the costs of a new connection at a specific substation and for customers who have to establish a new grid connection in order to connect to the transmission grid.

The app assumes that the desired connection capacity is a maximum 100 megavolt-amperes in the 110-kilovolt grid, and 300 megavolt amperes in the 330-kilovolt grid.

The substation data used as a basis for the calculations is updated by Elering at least once a quarter. The date of the update can be viewed in the app’s map view.

If a prospective customer desires more detailed information on potential connections, such as the connection fee, the expected date of completion of the connection, detailed technical requirements, they will have to submit an application for a pre-feasibility study to Elering through the connection information system.


Map on full screen

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