Roadmap

Next release trains expected in 2024 in March, June, September and December. More detailed for the next release train in powsybl-core pages.

New version of XIIDM/JIIDM expected for the June release train.

Documentation

A 1h-long webinar (already done by other LFE projects) --> April "at the earliest"

[2024.1.0] Limit reduction API for security analysis (https://github.com/powsybl/powsybl-core/issues/2751).
Security analysis results with connected and disconnected elements (linked to automation system tripping).
Security analysis with multi loadflow providers.
[2024.1.0] New Reporter API (https://github.com/powsybl/powsybl-core/issues/2191).
[Excepted 2024.1.0] Dangling line action.
[Expected 2024.2.0] Dynamic security analysis.
[Excepted 2024.2.0] Shunt compensator regulation action.
[Expected 2024.2.0] toModification method for remedial actions.
[Expected 2024.2.0] Dry run for network modifications.
[Expected 2024.2.0] Contingency context specific with a list of contingency ids.
[Expected 2024.3.0] Support of range actions (phase tap changer, hvdc and injection) for powsybl-open-rao.

New updated export API.
PowerFactory: updated export.
PowerFactory: management of line segments.
PowerFactory: validation of implemented support for medium voltage loads, external grids, transformer stations, lines connected only at one end (reference cases are required to prepare PR with unit tests).
[Expected 2024.2.0] Matpower: support of DC lines.
PSSE: support of node/breaker topology.
CGMES: updated import with SSH and TP only.
CGMES: import of EQ and multiple SSH, TP and SV profiles using variants.
[Expected 2024.1.0] New CGMES metadata extension (no compatibility).
[Expected 2024.1.0] CGMES tie line export in two AC line segment.
[Expected 2024.2.0] CGMES export of active and reactive power regulating controls.
[Expected 2024.3.0] CGMES import at EQUIPMENT level.

[Expected 2024.2.0, iidm 1.13] Generic area modeling for control area and automation systems (https://github.com/powsybl/powsybl-core/issues/2883).
[iidm 1.14] New automaton systems.
[Expected 2024.2.0, iidm 1.13] Several extensions of the same class for the same extendable.
[Expected 2024.2.0, iidm 1.13] Generator type for condensers.
[Expected 2024.2.0] Improve binary JIIDM import (beta feature right now).
Topology network modification for long-term studies.
[iidm 1.14] Add a check on minQ and maxQ for reactive capability curve in IIDM.
[Expected 2025+] New HVDC modeling for CGMES needs - e.g. bipoles, DC grid with metallic ground return.
[Expected 2025+] Power Transfer Corridor model
[Expected 2025+] TCSC model
[Expected 2025+] Limits: TATL dependent on pre-contingency loading

[Expected 2024.1.0] Move action module (https://github.com/powsybl/powsybl-core/issues/2913).
CGMES export (rely on properties).
CGMES import/export unit tests (to avoid CI performance issue).

Support of operator strategies in contingency context none (preventive operator strategy).
Multi synchronous component security analysis.
Improve performances of incremental graph connectivity for security analysis with operator strategies.
[Expected 2024.1.0] Fast restart for AI (https://github.com/powsybl/powsybl-open-loadflow/issues/949).
[Expected 2024.2.0] Support of new limit reduction API in security analysis.
~~[Expected 2024.2.0] Support of limit violation filter in security analysis.~~
[Expected 2024.2.0] Refactor DC sensitivity analysis to extract a fast DC N-k computation engine
Add a new fast DC security analysis using the fast DC N-k computation engine
Model actions in the fast DC N-k computation engine, starting with PST actions, then the other action types
[Expected 2024.2.0 - best effort] LoadFlowResult: report NO_CALCULATION component status
[Expected 2024.2.0 - best effort] LoadFlowResult: report component StatusText
[Expected 2024.2.0 - best effort] LoadFlowResult: report per-component and global Metrics
[Expected 2024.3.0] Area Interchange Control in OuterLoop (https://github.com/powsybl/powsybl-open-loadflow/issues/978, requires powsybl-core Generic Area Model)
[Expected 2024.4.0] Plugin mecanism to describe custom balancing / power shifts (https://github.com/powsybl/powsybl-open-loadflow/issues/979)
[Expected 2025+] Fast Decoupled AC Newton-Raphson
[Expected 2025+] Improved HVDC & TCSC simulation & actions/operator strategies

[Expected 2024.1.0][network-area diagram] Implement a new forced layout implementation based on Atlas Force 2 --> open PR to be reviewed
[Expected 2024.2.0][network-area diagram] Display power generation and power consumption by voltage level
[Expected 2024.2.0][network-area diagram] Represent subnetworks
[Expected 2024.1.0][network-area-diagram] Use full X, Y coordinates as a layout (expected by end users, by mid-2024 if possible)
[Expected 2024.3.0][network-area diagram] Make diagram nodes movable (expected by end users, by mid-2024 if possible)
[single-line diagram] Improve the bus connection bug fix
[Expected 2024.1.0][single-line diagram] Absorb part of the technical debt and improve documentation
[pypowsybl][powsybl-diagram] Allow better diagram customization for pypowsybl users

Evaluating and analyzing performance on a real network.
Adding dynamic security analysis implementation through a new API in powsybl-core.
Passing iidm objects instead of ids to build the mapping (ids can still be passed).

[Expected 2024.4.0] open-loadflow GLSK balance adjustment plugin (https://github.com/powsybl/powsybl-entsoe/issues/137)

C++ refactoring.
[Expected 2024.3.0] Run open-rao.
Implement SLD Jupyter widgets (pan, zoom, explore...) (not discussed during the 01/02/24 meeting, added afterwards)
Implement NAD Jupyter widgets (pan, zoom, explore...) (not discussed during the 01/02/24 meeting, added afterwards)