SAInt 3.7 is the latest release of the Scenario Analysis Interface for Energy Systems, designed to support the growing complexity of integrated energy planning needs including robust optimization and powerful physical simulation capabilities spanning across the electric, gas, and thermal domains. As the energy sector shifts toward cross-sector coordination and scenario-based analysis, SAInt 3.7 introduces key improvements that enhance solver performance, expand modeling capabilities, and streamline the user experience. From faster power flow simulations or supply tracing in gas systems to customizing complex workflows with plugins, this update helps planners and analysts build more accurate, flexible models with greater efficiency.
Improved Electric and Gas Modeling
SAInt 3.7 boosts core modeling power for both gas and electric systems! With upgraded solvers, novel topology tools, improved event handling, and flexible optimization constraints, users can now capture complex system behavior with greater fidelity – unlocking more accurate answers to today’s planning questions.
Support for soft limits on electric constraints using upper/lower bound penalties.
Linear cost rates can now be assigned to branch flows to represent hurdle rates or wheeling charges between zones.
New linear solver availability introduces a substantial performance improvements for larger networks.
Connectivity check tool introduced for unbalanced multiphase electric networks.
New supply tracing functionality for steady-state gas models shows how sources meet demand.
Support for dynamic gas scenarios without initial states, enabling faster iteration in early modeling stages.
Multi-purpose Info (string) and Constant (numerical) properties are now available for every network object.
Introducing SAInt Plugins
This release marks a major leap forward for SAInt’s interoperability! With the launch of plugin support, users can now build and run both custom and general workflows – ranging from simple dataset translations to state-of-the-art circular workflows spanning generation, transmission, and distribution.
The new SAInt forum category, Plugins, will host all official encoord-developed plugins. Any plugins that SAInt users choose to share can also be hosted here!
The encoord team has released the contingency analysis plugin.
Plugins for transfer capacity, hosting capacity, probabilistic resource adequacy, gas-to-electric demand mapping, and statistical result analyses are currently under development.
Dataset translation plugins supporting a variety of formats (such as .raw) are currently under development.
Enhanced User Experience & Interface
SAInt 3.7 includes a series of interface and workflow improvements aimed at increasing transparency, reducing user error, and simplifying standard tasks.
Scenario loading, editing, and execution are now more responsive, especially for large models.
Improvements to plot behavior, table filters, and object selection across the graphical user interface.
The Node Bar now offers input/output data viewing and direct navigation between nodes.
New API endpoints introduced for:
Getting/setting DateTime formats
Clearing all scenario events programmatically (clear*SCE)
Revised API function descriptions and examples for easier implementation.
Touchpad horizontal scroll support added for tables.
Execution of IronPython scripts now possible directly from the project explorer.
Clearer validation messages in property editors and object tables.
The SAInt 3.7 update builds upon encoord’s commitment to efficient and transparent integrated energy modeling. These improvements reflect feedback from across the SAInt community and aim to support more accurate, efficient, and flexible energy planning. The introduction of plugins represents a powerful solution covering the many types of complex, cross domain workflow needs of SAInt users.