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move cluster-first release notes to upcoming release

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Fabian Neumann 2024-09-13 17:39:51 +02:00
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doc/release_notes.rst
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@ -11,6 +11,63 @@ Release Notes
Upcoming Release
================
* Rearranged workflow to cluster the electricity network before calculating
renewable profiles and adding further electricity system components.
- Moved rules ``simplify_network`` and ``cluster_network`` before
``add_electricity`` and ``build_renewable_profiles``.
- Split rule ``build_renewable_profiles`` into two separate rules,
``determine_availability_matrix`` for land eligibility analysis and
``build_renewable_profiles``, which now only computes the profiles and total
potentials from the pre-computed availability matrix.
- Removed variables ``weight``, ``underwater_fraction``, and ``potential`` from the
output of ``build_renewable_profiles`` as it is no longer needed.
- HAC-clustering is now based on wind speeds and irradiation time series
rather than capacity factors of wind and solar power plants.
- Added new rule ``build_hac_features`` that aggregates cutout weather data to
base regions in preparation for ``cluster_network``.
- Removed ``{simpl}`` wildcard and all associated code of the ``m`` suffix of
the ``{cluster}`` wildcard. This means that the option to pre-cluster the
network in ``simplify_network`` was removed. It will be superseded by
clustering renewable profiles and potentials within clustered regions by
resource classes soon.
- Added new rule ``add_transmission_projects_and_dlr`` which adds the outputs
from ``build_line_rating`` and ``build_transmission_projects`` to the output
of ``base_network``.
- The rule ``add_extra_components`` was integrated into ``add_electricity``
- Added new rule ``build_electricity_demand_base`` to determine the load
distribution of the substations in the base network (which was previously
done in ``add_electricity``). This time series is used as weights for
kmeans-clustering in ``cluster_network`` and is later added to the network in
``add_electricity`` in aggregated form.
- The weights of the kmeans clustering algorithm are now exclusively based on
the load distribution. Previously, they also included the distribution of
thermal capacity.
- Since the networks no longer start with the whole electricity system added
pre-clustering, the files have been renamed from ``elec...nc`` to
``base...nc`` to identify them as derivatives of ``base.nc``.
- The scripts ``simplify_network.py`` and ``cluster_network.py`` were
simplified to become less nested and profited from the removed need to deal
with cost data.
- New configuration options to calculate connection costs of offshore wind
plants. Offshore connection costs are now calculated based on the underwater
distance to the shoreline plus a configurable ``landfall_length`` which
defaults to 10 km. Previously the distance to the region's centroid was
used, which is not practical when the regions are already aggregated.
PyPSA-Eur 0.13.0 (13th September 2024)
======================================
@ -116,62 +173,6 @@ PyPSA-Eur 0.13.0 (13th September 2024)
* The sources of nearly all data files are now listed in the documentation.
(https://github.com/PyPSA/pypsa-eur/pull/1284)
* Rearranged workflow to cluster the electricity network before calculating
renewable profiles and adding further electricity system components.
- Moved rules ``simplify_network`` and ``cluster_network`` before
``add_electricity`` and ``build_renewable_profiles``.
- Split rule ``build_renewable_profiles`` into two separate rules,
``determine_availability_matrix`` for land eligibility analysis and
``build_renewable_profiles``, which now only computes the profiles and total
potentials from the pre-computed availability matrix.
- Removed variables ``weight``, ``underwater_fraction``, and ``potential`` from the
output of ``build_renewable_profiles`` as it is no longer needed.
- HAC-clustering is now based on wind speeds and irradiation time series
rather than capacity factors of wind and solar power plants.
- Added new rule ``build_hac_features`` that aggregates cutout weather data to
base regions in preparation for ``cluster_network``.
- Removed ``{simpl}`` wildcard and all associated code of the ``m`` suffix of
the ``{cluster}`` wildcard. This means that the option to pre-cluster the
network in ``simplify_network`` was removed. It will be superseded by
clustering renewable profiles and potentials within clustered regions by
resource classes soon.
- Added new rule ``add_transmission_projects_and_dlr`` which adds the outputs
from ``build_line_rating`` and ``build_transmission_projects`` to the output
of ``base_network``.
- The rule ``add_extra_components`` was integrated into ``add_electricity``
- Added new rule ``build_electricity_demand_base`` to determine the load
distribution of the substations in the base network (which was previously
done in ``add_electricity``). This time series is used as weights for
kmeans-clustering in ``cluster_network`` and is later added to the network in
``add_electricity`` in aggregated form.
- The weights of the kmeans clustering algorithm are now exclusively based on
the load distribution. Previously, they also included the distribution of
thermal capacity.
- Since the networks no longer start with the whole electricity system added
pre-clustering, the files have been renamed from ``elec...nc`` to
``base...nc`` to identify them as derivatives of ``base.nc``.
- The scripts ``simplify_network.py`` and ``cluster_network.py`` were
simplified to become less nested and profited from the removed need to deal
with cost data.
- New configuration options to calculate connection costs of offshore wind
plants. Offshore connection costs are now calculated based on the underwater
distance to the shoreline plus a configurable ``landfall_length`` which
defaults to 10 km. Previously the distance to the region's centroid was
used, which is not practical when the regions are already aggregated.
PyPSA-Eur 0.12.0 (30th August 2024)
===================================