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Create Network

The simplification snakemake rules prepare approximations of the full model, for which it is computationally viable to co-optimize generation, storage and transmission capacities.

Rules

  • base_network - Builds and stores the base network with all buses, HVAC lines and HVDC links.

  • add_electricity - Adds the generators and demand to the network model.

  • simplify_network - Transforms the transmission grid to a 380 kV only equivalent network.

  • cluster_network - Uses a clustering approach (e.g. k-means) to partition the network into a given number of zones and then reduce the network to a representation with one bus per zone.

  • alternative_clustering - Provides alternative algorithms and methods for network clustering when the default algorithms are not optimal for the studied region.

  • augmented_line_connections - Reinforces or creates user-defined missing line connections to ensure the grid is fully connected and avoids isolated grid components.

  • add_extra_components - Adds extra components to the model, such as storage.

  • prepare_network - Introduces optional constraints and requirements in the modelling, such as CO2 emissions, security margins, etc.

Reference

The simplification and clustering steps are described in detail in the paper:

Jonas Hörsch and Tom Brown. The role of spatial scale in joint optimisations of generation and transmission for European highly renewable scenarios, 14th International Conference on the European Energy Market, 2017.