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pypsa-eur/doc/release_notes.rst
FabianHofmann 04f19f214d
fix emission prices (#171) 
* fix emission prices

I'm not sure if the previous setup was intentional, but regarding that different generators might have different efficiencies and the emissions are carrier specific only, it makes more sense set net emission price.

* small fix

* update release_notes and config
2020-08-25 12:12:00 +02:00

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Release Notes

Upcoming Release

  • Added an option to alter the capital cost of carriers by a factor via carrier+factor in the {opts} wildcard. This can be useful for exploring uncertain cost parameters. Example: solar+0.5 reduces the capital cost of solar to 50% of original values (#167).

  • Add compatibility for pyomo 5.7.0 in :mod:`cluster_network` and :mod:`simplify_network`.

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  • Raise a warning if tech_colors in the config are not defined for all carriers.

  • Corrected HVDC link connections (a) between Norway and Denmark and (b) mainland Italy, Corsica (FR) and Sardinia (IT) (#181)

  • Added Google Cloud Platform tutorial (for Windows users).

  • Corrected setting of exogenous emission price (in config -> cost -> emission price). This was not weighted by the efficiency and effective emission of the generators. Fixed in #171.

PyPSA-Eur 0.2.0 (8th June 2020)

  • The optimization is now performed using the pyomo=False setting in the :func:`pypsa.lopf.network_lopf`. This speeds up the solving process significantly and consumes much less memory. The inclusion of additional constraints were adjusted to the new implementation. They are all passed to the :func:`network_lopf` function via the extra_functionality argument. The rule trace_solve_network was integrated into the rule :mod:`solve_network` and can be activated via configuration with solving: options: track_iterations: true. The charging and discharging capacities of batteries modelled as store-link combination are now coupled (#116).

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  • An updated extract of the ENTSO-E Transmission System Map (including Malta) was added to the repository using the GridKit tool. This tool has been updated to retrieve up-to-date map extracts using a single script. The update extract features 5322 buses, 6574 lines, 46 links. (#118).

  • Added FSFE REUSE compliant license information. Documentation now licensed under CC-BY-4.0 (#160).

  • Added a 30 minute video introduction and a 20 minute video tutorial

  • Networks now store a color and a nicely formatted name for each carrier, accessible via n.carrier['color'] and n.carrier['nice_name'] ``(networks after ``elec.nc).

  • Added an option to skip iterative solving usually performed to update the line impedances of expanded lines at solving: options: skip_iterations:.

  • snakemake rules for retrieving cutouts and the natura raster can now be disabled independently from their respective rules to build them; via config.*yaml (#136).

  • Removed the id column for custom power plants in data/custom_powerplants.csv to avoid custom power plants with conflicting ids getting attached to the wrong bus (#131).

  • Add option renewables: {carrier}: keep_all_available_areas: to use all availabe weather cells for renewable profile and potential generation. The default ignores weather cells where only less than 1 MW can be installed (#150).

  • Added a function _helpers.load_network() which loads a network with overridden components specified in snakemake.config['override_components'] (#128).

  • Bugfix in :mod:`base_network` which now finds all closest links, not only the first entry (#143).

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  • Bugfix in :mod:`cluster_network` which now skips recalculation of link parameters if there are no links (#149).

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  • Added information on pull requests to contribution guidelines (#151).

  • Improved documentation on open-source solver setup and added usage warnings.

  • Updated conda environment regarding pypsa, pyproj, gurobi, lxml. This release requires PyPSA v0.17.0.

PyPSA-Eur 0.1.0 (9th January 2020)

This is the first release of PyPSA-Eur, a model of the European power system at the transmission network level. Recent changes include:

  • Documentation on installation, workflows and configuration settings is now available online at pypsa-eur.readthedocs.io (#65).

  • The conda environment files were updated and extended (#81).

  • The power plant database was updated with extensive filtering options via pandas.query functionality (#84 and #94).

  • Continuous integration testing with Travis CI is now included for Linux, Mac and Windows (#82).

  • Data dependencies were moved to zenodo and are now versioned (#60).

  • Data dependencies are now retrieved directly from within the snakemake workflow (#86).

  • Emission prices can be added to marginal costs of generators through the keyworks Ep in the {opts} wildcard (#100).

  • An option is introduced to add extendable nuclear power plants to the network (#98).

  • Focus weights can now be specified for particular countries for the network clustering, which allows to set a proportion of the total number of clusters for particular countries (#87).

  • A new rule :mod:`add_extra_components` allows to add additional components to the network only after clustering. It is thereby possible to model storage units (e.g. battery and hydrogen) in more detail via a combination of Store, Link and Bus elements (#97).

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  • Hydrogen pipelines (including cost assumptions) can now be added alongside clustered network connections in the rule :mod:`add_extra_components` . Set electricity: extendable_carriers: Link: [H2 pipeline] and ensure hydrogen storage is modelled as a Store. This is a first simplified stage (#108).

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  • Logfiles for all rules of the snakemake workflow are now written in the folder log/ (#102).

  • The new function _helpers.mock_snakemake creates a snakemake object which mimics the actual snakemake object produced by workflow by parsing the Snakefile and setting all paths for inputs, outputs, and logs. This allows running all scripts within a (I)python terminal (or just by calling python <script-name>) and thereby facilitates developing and debugging scripts significantly (#107).

Release Process

  • Checkout a new release branch git checkout -b release-v0.x.x.
  • Finalise release notes at doc/release_notes.rst.
  • Update environment.fixedversions.yaml via conda env export -n pypsa-eur -f environment.fixedversions.yaml --no-builds from an up-to-date pypsa-eur environment.
  • Update version number in doc/conf.py and *config.*.yaml.
  • Open, review and merge pull request for branch release-v0.x.x. Make sure to close issues and PRs or the release milestone with it (e.g. closes #X).
  • Tag a release on Github via git tag v0.x.x, git push, git push --tags. Include release notes in the tag message.
  • Upload code to zenodo code repository with GNU GPL 3.0 license.
  • Create pre-built networks for config.default.yaml by running snakemake -j 1 extra_components_all_elec_networks.
  • Upload pre-built networks to zenodo data repository with CC BY 4.0 license.
  • Send announcement on the PyPSA and PyPSA-Eur mailing list.
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