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Release notes

This page highlights key changes in NEMO since its initial public release. For a full history of NEMO releases, including the code for each version, see the Releases page on NEMO's GitHub site.

Version 1.2

  • Ramp rates: Added support for modeling technology ramp rates. You can activate this feature with two new parameters - RampRate and RampingReset.
  • Parallel processing upgrades: Revised calculatescenario so users can take advantage of parallelization without having to invoke Julia's Distributed package and add processes manually. Introduced the numprocs argument, which lets users specify the number of processes to use for parallelized operations. When numprocs is set, NEMO initializes new processes as needed. Refactored the queries in calculatescenario to parallelize as many of them as possible.
  • Xpress solver: Added Xpress as an officially supported NEMO solver. This includes incorporating Xpress in the Julia system image that's distributed with the NEMO installer program.
  • Installer program enhancements: Upgraded the installer program to facilitate installation when the executing user isn't an operating system administrator. Also improved the integration of the installer program with LEAP.
  • General error handling in calculatescenario: Restructured calculatescenario so exceptions are trapped and presented along with information on how to report problems to the NEMO team.
  • Other changes: Streamlined NEMO's logic for upgrading legacy database versions in calculatescenario. Now the functions that perform upgrades are only called when needed. Removed the createnemodb_leap function since LEAP isn't using it.