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Published on 19 October 2017
This new grid solution, the Cellular Smart Grid Platform (CSGriP), divides the central grid into many small cells that have the ability to function autonomously. In case of a central grid power outage, these local cells take over control. They automatically start restoring all local sources of energy supply, such as solar and wind, and distribute this energy amongst local consumers.
At the core of this local grid is an energy storage system developed by Alfen. This solution ensures that the balance between production and consumption is maintained. Once the grid balance within a cell is restored, it automatically reconnects to other cells and, as such, quickly rebuilds the larger power grid.
Consequently, both the duration and size of central grid power outages are reduced significantly.
CSGriP was extensively field tested at the Application Centre for Renewable Resources (ACRRES) in Lelystad, the Netherlands. It combines local energy sources (solar, wind and biogas) with local energy consumers. At the heart of this infrastructure is an 0.5MW energy storage system and a complex algorithm used for local energy management. Both solutions are developed and delivered by Alfen.
The Cellular Smart Grids Platform can prepare grids that are already well-developed for a future that will be significantly more decentral and renewables-oriented. Furthermore, even bigger opportunities exist in parts of the world that still need to be electrified. Instead of constructing central systems based on large fossil-fuel power plants, local grids based on renewables are the logical approach in greenfield situations.
In addition to Alfen, project partners include the Delft University of Technology, Application Centre for Renewable Resources, HAN University of Applied Sciences, Avans University, Bredenoord, DNVGL and grid operator Alliander. The project is being supported with a subsidy from RVO-TKI Urban Energy.