Alfen delivers Belgium’s first lithium-ion ESS for grid stability services

Published on: October 12, 2017 9:30 amBy: Jade Beevor


Netherlands-based energy storage firm Alfen announced on September 25 that it had delivered Belgium’s first megawatt-scale lithium-ion system for grid-stabilization services since the country’s grid operator Elia opened its transmission network for battery systems in May.

Once deployed, Alfen’s 1MW system, situated at French utility Engie’s 6MW power generation plant in Drogenbos, Brussels, will be the first time a battery based storage system will have been used for frequency containment reserve service on Belgium’s grid.

Alfen delivered end-to-end integration of the EES, including the software platform for frequency control, integration in the local energy system and connection to the high-voltage grid.

The system is already operational, but is waiting to be qualified by the grid operator.

A spokesman for Engie said the company continuously anticipates the changing dynamics in power markets, and they expected storage to play an increasingly important role in balancing its energy systems in the future.

Yves Vercammen, sales manager at Alfen Belgium, said: “Frequency control is an increasingly important application for our customers. We are proud to be the first in integrating this solution in the Belgian grid and will realize more of these systems over the coming months.”

Alfen recently delivered an ESS connected to a wind farm in the Netherlands, and has deployed micro-grids combining solar PV and storage in local energy systems, and community-based virtual power plants for residential neighbourhoods.

Last month it announced that Czech solar PV company Solar Global had chosen Alfen to supply a 1MW ESS connected to its Prakšice solar PV farm. The system is due to be delivered in the fourth quarter of 2017 and will be the first large scale storage system in the Czech Republic once completed.

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