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HOMER Pro Release Notes

Version history and changelogs.

Version 3.18.4 November 13, 2024
  • Updated UI – New ULTRUS logo
Version 3.18.3 July 25, 2024

Issues

  • Fixed issue where new release download was being blocked by Windows Defender.
Version 3.18.2 July 16, 2024

Issues

  • Fixed location search not working properly
Version 3.18.1 April 1, 2024

Issues

  • Fixed Generating engineering detail report crashing
  • Fixed opening projects directly from file explorer or downloads crashing
  • Fixed Excess Electricity table missing
Version 3.18.0Beta February 1, 2024

Features

  • Added HOMER optimizer to electrolyser.
  • Added context help.
  • Added feature request button to interface.

Improvements

  • Fixed the optimization sizing to Hydrogen load: Fix optimizer sizing to work same way for hydrogen load as it does for electric load.
  • Fixed emissions calculation to use emissions factor instead of energy purchase.
  • Added multiyear escalators for replacement and O&M costs for the following: Custom, Hydro, Hydrokinetic, PV dedicated converter
  • Fixed client proposal report not including battery replacement costs
  • Corrected cashflow table in simulation results missing zeros and line item.
  • Fixed energy efficiency not working.
Version 3.17.1 December 15, 2023

Features

  • Added multi-year escalation for O&M and replacement costs for several components
  • Added new in app context help pop-ups

Improvements

  • Corrected issue with cash flow missing zeros and line items
  • Corrected issue with energy efficiency
  • Corrected issue with battery replacement not appearing in engineering report
  • Corrected issue with emissions calculations with net metering
Version 3.17.0 November 8, 2023

Features

  • Added multi-year escalation for O&M and replacement costs for several components

Improvements

  • Corrected issue with cash flow missing zeros and line items
  • Corrected issue with energy efficiency
  • Corrected issue with battery replacement not appearing in engineering report
  • Corrected issue with emissions calculations with net metering
Version 3.16.2 July 6, 2023

Issues

  • Corrected Issue with capacity shortage appearing incorrectly in the optimization table
  • Corrected Issue with operating reserves associated with the generator order controller
Version 3.16.1 June 27, 2023

Features

  • Added ability to model electric load year
  • Added an electrolyzer efficiency table
  • Enabled the option for the grid to supply the electrolyzer
  • View unmet hydrogen load in the simulation results hydrogen tab

Improvements

  • Corrected minimum load ratio issue
Version 3.16.0Beta June 9, 2023

Features

  • Added ability to model electric load year
  • Added an electrolyzer efficiency table
  • Enabled the option for the grid to supply the electrolyzer
  • View unmet hydrogen load in the simulation results hydrogen tab

Improvements

  • Corrected minimum load ratio issue
Version 3.15.3 March 17, 2023

Issues

  • Corrected issue with incorrect currency
  • Corrected antivirus security issue
Version 3.15.2 January 20, 2023

Issues

  • Context help popups
  • Improved help documentation
  • Improved temperature resource suggestion

Fixes

  • Corrected deferrable load total in Electrical tab
  • Allowing the electrolyzer to run when it is required to serve the hydrogen load
  • Turned off "Require year end tank level to equal or exceed.." so now this option is unchecked by default
  • Corrected PV production negative values
  • Corrected client proposal error
  • Corrected battery throughput values in optimization results table
  • Corrected Helioscope link

Improvements

  • Yellow warning to tell user the Combined dispatch doesn't support hydrogen
  • Adding unmet hydrogen to the Simulation and Optimization Results table
  • Adding electrolyzer consumption to Electrical tab
  • Adding option to export multiple timeseries from Optimization results