add release notes
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@ -24,7 +24,7 @@ incorporates retrofitting options to hydrogen.
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* New rule ``build_gas_input_locations`` compiles the LNG import capacities
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* New rule ``build_gas_input_locations`` compiles the LNG import capacities
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(including planned projects from gem.wiki), pipeline entry capacities and
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(including planned projects from gem.wiki), pipeline entry capacities and
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local production capacities for each region of the model. These are the
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local production capacities for each region of the model. These are the
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regions where fossil gas can eventually enter the model.
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regions where fossil gas can eventually enter the model.
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* New rule ``cluster_gas_network`` that clusters the gas transmission network
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* New rule ``cluster_gas_network`` that clusters the gas transmission network
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data to the model resolution. Cross-regional pipeline capacities are aggregated
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data to the model resolution. Cross-regional pipeline capacities are aggregated
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@ -47,8 +47,8 @@ incorporates retrofitting options to hydrogen.
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H2_retrofit_capacity_per_CH4`` units are made available as hydrogen pipeline
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H2_retrofit_capacity_per_CH4`` units are made available as hydrogen pipeline
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capacity in the corresponding corridor. These repurposed hydrogen pipelines
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capacity in the corresponding corridor. These repurposed hydrogen pipelines
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have lower costs than new hydrogen pipelines. Both new and repurposed pipelines
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have lower costs than new hydrogen pipelines. Both new and repurposed pipelines
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can be built simultaneously. The retrofitting option ``sector: H2_retrofit:`` also works
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can be built simultaneously. The retrofitting option ``sector: H2_retrofit:`` also works
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with a copperplated methane infrastructure, i.e. when ``sector: gas_network: false``.
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with a copperplated methane infrastructure, i.e. when ``sector: gas_network: false``.
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* New hydrogen pipelines can now be built where there are already power or gas
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* New hydrogen pipelines can now be built where there are already power or gas
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transmission routes. Previously, only the electricity transmission routes were
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transmission routes. Previously, only the electricity transmission routes were
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@ -56,6 +56,8 @@ incorporates retrofitting options to hydrogen.
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**New features and functionality**
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**New features and functionality**
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* Units are assigned to the buses. These only provide a better understanding. The specifications of the units are not taken into account in the optimisation, which means that no automatic conversion of units takes place.
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* Option ``retrieve_sector_databundle`` to automatically retrieve and extract data bundle.
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* Option ``retrieve_sector_databundle`` to automatically retrieve and extract data bundle.
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* Add regionalised hydrogen salt cavern storage potentials from `Technical Potential of Salt Caverns for Hydrogen Storage in Europe <https://doi.org/10.20944/preprints201910.0187.v1>`_.
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* Add regionalised hydrogen salt cavern storage potentials from `Technical Potential of Salt Caverns for Hydrogen Storage in Europe <https://doi.org/10.20944/preprints201910.0187.v1>`_.
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@ -84,7 +86,7 @@ besides many performance improvements.
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This release is known to work with `PyPSA-Eur
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This release is known to work with `PyPSA-Eur
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<https://github.com/PyPSA/pypsa-eur>`_ Version 0.4.0, `Technology Data
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<https://github.com/PyPSA/pypsa-eur>`_ Version 0.4.0, `Technology Data
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<https://github.com/PyPSA/technology-data>`_ Version 0.3.0 and
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<https://github.com/PyPSA/technology-data>`_ Version 0.3.0 and
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`PyPSA <https://github.com/PyPSA/PyPSA>`_ Version 0.18.0.
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`PyPSA <https://github.com/PyPSA/PyPSA>`_ Version 0.18.0.
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Please note that the data bundle has also been updated.
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Please note that the data bundle has also been updated.
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@ -202,19 +204,19 @@ Please note that the data bundle has also been updated.
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A function ``helper.override_component_attrs`` was added that loads this data
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A function ``helper.override_component_attrs`` was added that loads this data
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and can pass the overridden component attributes into ``pypsa.Network()``.
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and can pass the overridden component attributes into ``pypsa.Network()``.
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* Add various parameters to ``config.default.yaml`` which were previously hardcoded inside the scripts
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* Add various parameters to ``config.default.yaml`` which were previously hardcoded inside the scripts
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(e.g. energy reference years, BEV settings, solar thermal collector models, geomap colours).
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(e.g. energy reference years, BEV settings, solar thermal collector models, geomap colours).
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* Removed stale industry demand rules ``build_industrial_energy_demand_per_country``
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* Removed stale industry demand rules ``build_industrial_energy_demand_per_country``
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and ``build_industrial_demand``. These are superseded with more regionally resolved rules.
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and ``build_industrial_demand``. These are superseded with more regionally resolved rules.
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* Use simpler and shorter ``gdf.sjoin()`` function to allocate industrial sites
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* Use simpler and shorter ``gdf.sjoin()`` function to allocate industrial sites
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from the Hotmaps database to onshore regions.
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from the Hotmaps database to onshore regions.
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This change also fixes a bug:
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This change also fixes a bug:
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The previous version allocated sites to the closest bus,
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The previous version allocated sites to the closest bus,
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but at country borders (where Voronoi cells are distorted by the borders),
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but at country borders (where Voronoi cells are distorted by the borders),
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this had resulted in e.g. a Spanish site close to the French border
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this had resulted in e.g. a Spanish site close to the French border
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being wrongly allocated to the French bus if the bus center was closer.
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being wrongly allocated to the French bus if the bus center was closer.
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* Retrofitting rule is now only triggered if endogeneously optimised.
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* Retrofitting rule is now only triggered if endogeneously optimised.
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@ -225,7 +227,7 @@ Please note that the data bundle has also been updated.
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* Improve legibility of ``config.default.yaml`` and remove unused options.
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* Improve legibility of ``config.default.yaml`` and remove unused options.
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* Use the country-specific time zone mappings from ``pytz`` rather than a manual mapping.
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* Use the country-specific time zone mappings from ``pytz`` rather than a manual mapping.
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* A function ``add_carrier_buses()`` was added to the ``prepare_network`` rule to reduce code duplication.
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* A function ``add_carrier_buses()`` was added to the ``prepare_network`` rule to reduce code duplication.
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* In the ``prepare_network`` rule the cost and potential adjustment was moved into an
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* In the ``prepare_network`` rule the cost and potential adjustment was moved into an
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