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@ -97,6 +97,7 @@ Not all data dependencies are shipped with the git repository (since git is not
The model has several configuration options collected in the [config.yaml](config.yaml) file The model has several configuration options collected in the [config.yaml](config.yaml) file
located in the root directory. located in the root directory.
## Model workflow
The generation of the model is controlled by the workflow management system The generation of the model is controlled by the workflow management system
[Snakemake](https://snakemake.bitbucket.io/). In a nutshell, one declares in the [Snakemake](https://snakemake.bitbucket.io/). In a nutshell, one declares in the
`Snakefile` for each python script in the `scripts` directory a rule which `Snakefile` for each python script in the `scripts` directory a rule which
@ -110,6 +111,7 @@ snakemake networks/elec_s_128.nc
follows the dependency graph follows the dependency graph
![Dependency graph for network elec_s_128](img/dependencies-elec_s_128.png) ![Dependency graph for network elec_s_128](img/dependencies-elec_s_128.png)
## Building the network
In detail this means it has to run the independent scripts, In detail this means it has to run the independent scripts,
- `build_shapes` to generate GeoJSON files with country, exclusive economic zones and nuts3 shapes - `build_shapes` to generate GeoJSON files with country, exclusive economic zones and nuts3 shapes
- `build_cutout` to prepare smaller weather data portions from ERA5 for cutout `europe-2013-era5` and SARAH for cutout `europe-2013-sarah`. - `build_cutout` to prepare smaller weather data portions from ERA5 for cutout `europe-2013-era5` and SARAH for cutout `europe-2013-sarah`.
@ -142,6 +144,34 @@ The additional rules prepare approximations of the full model, in which generati
The simplification and clustering steps are described in detail in the paper The simplification and clustering steps are described in detail in the paper
[The role of spatial scale in joint optimisations of generation and transmission for European highly renewable scenarios](https://arxiv.org/abs/1705.07617), 2017, [arXiv:1705.07617](https://arxiv.org/abs/1705.07617), [doi:10.1109/EEM.2017.7982024](https://doi.org/10.1109/EEM.2017.7982024). [The role of spatial scale in joint optimisations of generation and transmission for European highly renewable scenarios](https://arxiv.org/abs/1705.07617), 2017, [arXiv:1705.07617](https://arxiv.org/abs/1705.07617), [doi:10.1109/EEM.2017.7982024](https://doi.org/10.1109/EEM.2017.7982024).
## Solving the network
After generating the network it can be solved by using 'solve_all_elec_networks'. This runs the following rules:
- 'cluster_network'
- 'prepare_network'
- 'solve_all_elec_networks'
- 'solve_network'
## Summarising the results and making plots
The following rule can be used to summarize the results in seperate .csv files:
```
snakemake results/summaries/elec_s_all_lall_Co2L-3H_all
^ clusters
^ line volume or cost cap
^- options
^- all countries
```
the line volume/cost cap field can be set to one of the following:
* `lv1.25` for a particular line volume extension by 25%
* `lc1.25` for a line cost extension by 25 %
* `lall` for all evalutated caps
* `lvall` for all line volume caps
* `lcall` for all line cost caps
Replacing '/summaries/' with '/plots/' creates nice colored maps of the results.
# Solver choice
Default choice for the solver is Gurobi (freely available under academic license) or CPLEX. If you want to go fully opensource the CBC solver (https://projects.coin-or.org/Cbc) can be used. To install CBC run 'conda install -c conda-forge coincbc'.
# Hints # Hints
For the use of `snakemake`, it makes sense to familiarize oneself quickly with its [basic tutorial](https://snakemake.readthedocs.io/en/stable/tutorial/basics.html) and then read carefully through the section [Executing Snakemake](https://snakemake.readthedocs.io/en/stable/executable.html), noting the arguments `-n`, `-r`, but also `--dag`, `-R` and `-t`. For the use of `snakemake`, it makes sense to familiarize oneself quickly with its [basic tutorial](https://snakemake.readthedocs.io/en/stable/tutorial/basics.html) and then read carefully through the section [Executing Snakemake](https://snakemake.readthedocs.io/en/stable/executable.html), noting the arguments `-n`, `-r`, but also `--dag`, `-R` and `-t`.