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HOMER Grid Release Notes

Version history and changelogs.

Version 1.11.4 November 13, 2024
  • UI Updates – New ULTRUS logo
Version 1.11.3 July 25, 2024
  • Fixed issue where new release download was being blocked by Windows Defender
Version 1.11.2 July 16, 2024
  • Fixed location search not working properly
Version 1.12.0Beta February 1, 2024

Features

  • Replaced four numerical recipes algorithms, changing how numbers are randomly generated.
  • Added context help pop-ups.
  • Added feature request button to interface.
  • Added multiyear escalators for replacement and O&M costs for the following: Storage, Storage dedicated converter, PV, PV dedicated converter, System converter, Wind, Generator, Thermal load controller
  • Corrected cashflow table in simulation results missing zeros and line item.
  • Fixed EV session graph bug where data shown on the Single Session EV tab of the Simulation Results is extending past the light grey session duration when it shouldn't.
Version 1.11.1 October 5, 2023

Features

  • Added option to import or set scheduled reliability outages
  • Added option to add multi-year escalator for O&M and replacement costs for all available components
Version 1.10.2 June 9, 2023
  • Improved handling of NEM3 tariffs
Version 1.10.1 June 2, 2023

Features

  • Added ability to calculate EV charging revenue

Improvements

  • Add option to import multiple PV production data
  • Add option to import multiple Wind production data
  • Improved tariff handling
  • Added new tariffs to database
  • Shifted holidays to match model year
Version 1.10Beta May 9, 2023

Features

  • Added ability to calculate EV revenue

Improvements

  • Add option to import multiple PV production data
  • Add option to import multiple Wind production data
  • Improved tariff handling
  • Added new tariffs to database
  • Shifted holidays to match model year
Version 1.9.6 March 17, 2023
  • Corrected antivirus security issue
Version 1.9.4 January 20, 2023
  • Corrected Helioscope link
Version 1.9.3 December 20, 2022

Issues

  • Fixed licensing delivery errors
  • Fixed library initialization bug
Version 1.9.2 December 8, 2022

Features

  • Batch export for multiple detailed timeseries

Issues

  • Fixed generator schedule to match weekend and weekdays for selected year
  • Corrected context help links
  • Corrected issue with incorrect currency error message
  • Corrected issue with incorrect controller warning message
Version 1.9.2 August 26, 2022

Features

  • In-app help with new icons
  • Detailed Cost Structure: PV, Storage
  • Dedicated converter for Storage
  • Updated tariffs, since 2020
  • Changed user tariff chooser pop-up from dropdown to table, to see full name and tariff abbreviation
  • Ability to edit customer tariff, directly from Utility view

Enhancements

  • Relabeled and reorganized tariff chooser tabs
  • Rate tooltips filtered by rate settings
  • Library button is labeled
  • Delete reference to community forum, fix links to support and Engineer Hours
  • Messaging if concurrent license seats are full
  • Warning if no load is specified for Visualize Utility Bill
  • Utility View’s tabs are consolidated
  • View rates relevant to the rate setting selected
  • Add warning when user deletes a tariff

Issues

  • Wind production higher than rated turbine capacity
  • Text fixes and label changes (ex: number of strings in battery search space)
  • Corrected file hanging if the battery wear is zero
  • Demand Response savings not appearing in Client Proposal
  • Issue with peak demand interval and ratchet rate not saving when editing existing demand rate
  • Library initialization error
  • Wind component typo
  • Currency symbol for generators
Version 1.9.0 May 29, 2022

Features

  • In-app help with new icons
  • Detailed Cost Structure: PV, Storage
  • Dedicated converter for Storage
  • Updated tariffs, since 2020
  • Changed user tariff chooser pop-up from dropdown to table, to see full name and tariff abbreviation
  • Ability to edit customer tariff, directly from Utility view (S2)

Enhancements

  • Relabeled and reorganized tariff chooser tabs
  • Rate tooltips filtered by rate settings
  • Library button is labeled
  • Delete reference to community forum, fix links to support and Engineer Hours
  • Messaging if concurrent license seats are full
  • Warning if no load is specified for Visualize Utility Bill
  • Utility View’s tabs are consolidated
  • View rates relevant to the rate setting selected
  • Add warning when user deletes a tariff (S3)

Issues

  • Wind production higher than rated turbine capacity
  • Text fixes and label changes (ex: number of strings in battery search space)
  • Issue with file hanging if the battery wear is zero
  • Demand Response savings not appearing in Client Proposal
  • Issue with peak demand interval and ratchet rate not saving when editing existing demand rate