Roadmap

Next release trains expected in 2024 in March, June, October and December (or January 2025). More detailed for the next release train in powsybl-core pages.

New version 1.13 of XIIDM/JIIDM in dependencies 2024.2.0.

Documentation

• Improve all README files and the README of the organization.
• UX audit of web site.

LFE security audit (Q4 2024)--> independent training

• https://training.linuxfoundation.org/training/developing-secure-software-lfd121/ (in English, open)
• ... other available resources?

Raising awareness around PowSyBl

• Next webinar to be scheduled.

powsybl-core

APIs

• [2024.1.0] Limit reduction API for security analysis (https://github.com/powsybl/powsybl-core/issues/2751).
• [2024.1.0] New Reporter API (https://github.com/powsybl/powsybl-core/issues/2191).
• [2024.1.0] Dangling line action.
• [2024.2.0] Dynamic security analysis.
• [2024.2.0] Reporter API improvements (V2.1: https://github.com/powsybl/powsybl-core/pull/3011).
• [2024.2.0] toModification method for remedial actions.
• [2024.2.0] Security analysis runner parameters (https://github.com/powsybl/powsybl-core/pull/3017)
• [2024.3.0] Full dry run for network modifications and checks.
• [Expected 2024.4.0] Contingency context specific with a list of contingency ids.
• [Expected 2024.4.0] Shunt compensator regulation action.
• [Expected 2024.4.0] Support of range actions (phase tap changer, hvdc and injection) for Open RAO.
• [Expected 2024.4.0] Area interchange action (https://github.com/powsybl/powsybl-core/issues/3157).
• [Expected 2024.4.0] New conditions involving countries and maybe subnetworks (https://github.com/powsybl/powsybl-open-rao/issues/1067).
• [Expected 2024.4.0] Operational limits override for the security analysis that only relies on limits defined in IIDM networks.
• [Expected 2024.4.0] Security Analysis PreContingencyResult: support per component result status (https://github.com/powsybl/powsybl-core/issues/3156).
• Security analysis results with connected and disconnected elements (linked to automation system tripping).
• Security analysis with multi loadflow providers.

Conversions

• [2024.1.0] New CGMES metadata extension (no compatibility).
• [2024.1.0] CGMES tie line export in two AC line segment.
• [2024.2.0] Matpower: support of DC lines.
• [2024.3.0] CGMES export of active and reactive power regulating controls.
• [Expected 2024.4.0] CGMES: deprecate extension for control areas, use IIDM native class.
• [Expected 2025+] PSSE: support of node/breaker topology.
• [Expected 2025+] New import/export update API.
• [Expected 2025+] PowerFactory: updated export.
• [Expected 2025+] PowerFactory: management of line segments.
• [Expected 2025+] 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 2025+] PSSE: full export.
• [Expected 2025+] CGMES: updated import with SSH and TP only.
• [Expected 2025+] CGMES: import of EQ and multiple SSH, TP and SV profiles using variants.

New version of XIIDM/JIIDM

• [2024.2.0, iidm 1.13] Generic area modeling for control area and automation systems (https://github.com/powsybl/powsybl-core/issues/2883).
• [2024.2.0, iidm 1.13] Generator type for condensers.
• [Expected 2024.4.0] Improve binary JIIDM import (beta feature right now).
• [iidm 1.14] Solved tap position and solved section count.
• [iidm 1.14] Several extensions of the same class for the same extendable.
• [iidm 1.14] New automaton systems.
• [iidm 1.14] Add a check on minQ and maxQ for reactive capability curve in IIDM.
• [iidm 1.14] Boolean to activate/deactivate regulation for SVC (https://github.com/powsybl/powsybl-core/issues/2790) without using OFF mode (same issue for phase tap changers).
• [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
• Topology network modification for long-term studies.

Refactoring

• [2024.1.0] Move action module (https://github.com/powsybl/powsybl-core/issues/2913).

• [2024.2.0] Fix Sonar issues (https://github.com/powsybl/powsybl-core/pull/2967, https://github.com/powsybl/powsybl-core/pull/2971, https://github.com/powsybl/powsybl-core/pull/2974, https://github.com/powsybl/powsybl-core/pull/2981)

• [2024.3.0] Datasources (https://github.com/powsybl/powsybl-core/pull/2959)

• CGMES export (rely on properties).

• CGMES import/export unit tests (to avoid CI performance issue).

powsybl-open-loadflow

• [2024.1.2] Support of new limit reduction API in security analysis.
• [2024.2.0] LoadFlowResult: report NO_CALCULATION component status (https://github.com/powsybl/powsybl-open-loadflow/pull/919)
• [2024.2.0] LoadFlowResult: report component StatusText (https://github.com/powsybl/powsybl-open-loadflow/pull/1023)
• [Expected 2024.3.0] Fast restart for AI (https://github.com/powsybl/powsybl-open-loadflow/issues/949).
• [Expected 2024.3.0] Refactor DC sensitivity analysis to extract a fast DC N-k computation engine
• [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 - best effort] LoadFlowResult: report per-component and global Metrics
• [Expected 2024.4.0] Area interchange action support (https://github.com/powsybl/powsybl-open-loadflow/issues/1090).
• [Expected 2024.4.0] Multi synchronous component security analysis (https://github.com/powsybl/powsybl-open-loadflow/pull/1089).
• [Expected 2024.4.0] SecurityAnalysis: Reconfigure slack distribution outer loops per contingency using an extension (https://github.com/powsybl/powsybl-open-loadflow/issues/1091).
• [Expected 2024.4.0 or 2025+] Security Analysis: custom redistribution of injections lost by the contingency (https://github.com/powsybl/powsybl-open-loadflow/issues/1099).
• [Expected 2025+] 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
• Support of operator strategies in contingency context none (preventive operator strategy).
• Improve performances of incremental graph connectivity for security analysis with operator strategies.
• [Best effort] Asymmetrical calculations for transformers.
• 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

powsybl-diagram

• [2024.1.0][single-line diagram] Refactoring and improve documentation

• [2024.1.0][network-area-diagram] Use full X, Y coordinates as a layout

• [2024.2.0][network-area diagram] Display power generation and power consumption by voltage level

• [2024.3.0][network-area diagram] Make diagram nodes movable (expected by end users, by mid-2024 if possible)

• [Expected 2024.4.0][network-area diagram] Represent subnetworks

• [Expected 2024.4.0 - 2025][network-area diagram] Performance evaluation:

  • Implement a new forced layout implementation based on Atlas Force 2 --> open PR to be reviewed performance and quality-wise

  • Performance optimization POC for displaying huge networks (in powsybl-diagram-viewer mostly possibly with some required changes in powsybl-diagram)

• [single-line diagram] Improve the bus connection bug fix

• [single-line diagram] Display feeder information on 3WT legs that are included in the displayed voltage level

• [pypowsybl][powsybl-diagram] Allow better diagram customization for pypowsybl users

powsybl-dynawo

• [Expected 2024.4.0] Add margin calculation
• [2024.2.0] Adding dynamic security analysis implementation through a new API in powsybl-core.
• [2024.2.0] Adding a new dynamic model provider given a json group mapping format (https://github.com/powsybl/powsybl-dynawo/pull/349).
• Evaluating and analyzing performance on a real network.

powsybl-entsoe

• [Expected 2025+] open-loadflow GLSK balance adjustment plugin (https://github.com/powsybl/powsybl-entsoe/issues/137)

powsybl-open-rao

• [2024.1.0] Move to powsybl-core contingencies.
• [2024.3.0] Move to powsybl-core actions.

pypowsybl

• [Expected 2024.4.0] Run open-rao.
• [Expected 2024.4.0] network area model support (https://github.com/powsybl/pypowsybl/pull/840).
• C++ refactoring.

pypowsybl-jupyter

• Implement SLD/NAD Jupyter notebook network_explorer widget (pan, zoom, explore...)