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This page contains the version history for HOMER Front, released in January
2022.
June 7, 2023 Release
Features and Improvements
Features:
Added the option to select custom date and number formatting
Issues:
Corrected timeseries selection issue when year is edited
Set time zone to modeled location for time series results
Corrected handling of RA specific dates during leap year
May 26, 2022 Release
Features and Improvements
Features:
Show economic curtailment in Simulation Results
Helpful graphics for the sensitivity table. Customers will be able to easily view a comparison of systems and make it
clear when systems should include storage.
Email customer when calculation is complete
Enabled the ability to export multi-year time series
Augmentation cost multiplier sensitivity variable
Enabled the option to select TOD w/obligations as an alternative to energy markets if more advantageous
Issues:
Corrected Augmentation degradation limit bug for when augmentation is near zero and there is no price
Corrected issue where Pro-forma results for simulations would show name of first storage component only
Corrected issue with $/kw-yr Resource Adequacy price
Corrected Issue PV and Wind Data Import escalation
Corrected component allocation for Resource Adequacy and TOD
Improvements:
Added option to custom name components
May 11, 2023 Release
Features and Improvements
Issues:
Wind production bug associated with imported data files scaling incorrectly
PV production bug associated with imported data files scaling incorrectly
January 30, 2023 Release
Features and Improvements
Features:
Import multiple years of energy price data
November 30, 2022 Release
Features and Improvements
Features:
Import multiple PVsyst files
Capacity Price Sensitivity and Capacity Price as $/yr
October 21, 2022 Release
Features and Improvements
Features:
Import Wind Production data
RECs incentive
Account defaults for local currency and number preference
Issues:
NASA/NREL resources unavailable
Wind component typo edits
Issue with app access when publishing
Issue with export obligation date
Enhancements:
Added revenue total and augmentation cost into simulation results table
Allow support to view customer email address when reporting issue
Improved login error messaging
Error added if event duration
Progress bar
September 5, 2022 Release
Features and Improvements
Features:
Sensitivity on Market Allocation
Issues:
Issue with total energy exported exceeding solar production and grid purchase
Wind component typo edits
Issue with app access when publishing
Issue with export obligation date
July 13th, 2022 Release
Features and Improvements
Features:
Error checking between steps
Issues:
Issue with currency formatting in time series tooltip
Issue with error checking between input steps
Corrected converter and efficiency labels
Enhancements:
Removed disabled O&M escalator from storage cost view
Edit rout trip-efficiency and Min SOC
Add green checkmark when steps are completed
Add hover-over value for imported data
Hide irrelevant revenue streams in Financial Summary Results
June 13th, 2022 Release
Features and Improvements
Features:
Capacity market contracted capacity
Issues:
Issue with IRR and payback time displaying in the Optimization Results table
Issue listing Order of Commitments
Issue displaying year in Revenue Summary of Detailed Results
Enhancements:
Re-design for user profile and publish date
May 18th, 2022 Release
Features and Improvements
Issues:
With displaying Capacity Market Revenue in Summary tab’s graphic in Detailed Simulation Results (s2)
With displaying Operating expenses on the Cash Flow (S2)
With displaying detailed results for Capacity Market- only project (S3)
Issue displaying last augmentation expense on the Augmentation View of the Detailed Results (S3)
Issue with displaying TOD price on Summary graphic of Detailed Simulation Results (S3)
Issue with publishing causes page not to load (S3)
Issue displaying old results (S3)
Issue with units on the Revenue tab in Detailed Simulation Results (S3)
Enhancements:
Units displayed in the timeseries viewer (S3)
Error message for negative PV degradation (S3)
May 9th, 2022 Release
Features and Improvements
Features:
Redesign for Project Listing page (S2)
Display Augmentation cost each time we display Operational Expenses (S2)
Issues:
With viewing old results (S1)
With the calculation timing out (s1)
Help for Early-stage design (S2)
Issue with setting times for TOD obligations (S2)
Issue with showing Augmentation in MWh in the graphics, for early stage design (S2)
Enhancements:
Error if TOD without obligation is undefined (S2)
Clearer labels on the Augmentation price decline curve graphic (S2)
Add year to Summary graphic in the Detailed Simulation Results (S2)
Equipment selection is on the setup page (S2)
April 29th, 2022 Release
Features and Improvements
Features:
Early and late stage analysis (for running a quick single-year representation, or multi-year simulation)
Only allow AC/DC selection if solar+storage model
Hide ‘Battery can charge from grid’ in storage only and wind+storage systems
Added user profile information, which allows for Signing Out and to see what version is published
Issues:
With displaying revenue in the Revenue View graphic
With PV degradation
Issue with displaying TOD revenue and Capacity revenue in the graphic on the Revenue Summary
Dispatch convergence issues
Allow user to set system capacity for last energy market
Display in optimization results and summary
Unit in Wind Project Summary table
Wind in schematic
Wind losses calculation
Enhancements:
Redesign for ‘Add’ obligation time
Help for Economics
New Schematic Design
March 31st, 2022 Release
Features and Improvements
Features:
Dispatch change for multiple energy markets.
Wind modeling, including Production Tax Incentive
Enhancements & Fixes In the Simulation Results
Issue with operating expenses
Enhancements & Fixes In the Detailed Results Views
Issue with axis labels in the Cash Flow view
Issue with units on the tooltip of the box and whisker chart in the Storage view
Enhancement to storage results metrics, adding energy storage revenue and exports to each market, in the Storage View
Enhancements to the zoom functionality and custom colors for data in the Timeseries viewer
Issue with axis and legend labels on the Revenue view
Issue displaying the last year in the Pro Forma view
PV degradation
Enhancements & Fixes In the inputs
Enhancement to allow negative inflation rate
Enhancement to include additional storage types, specifically smaller modules
Issue with battery specifications for the 4MWh battery fixed
Enter storage in $/kWh instead of $/unit for the Cost Sensitivity Analysis
Custom escalation table hides when disabled
Loading icon while importing load data
Enhancement to the 12x24 chart to display month and time
Corrections and enhancements with in-app help
Enhancement to the price import for displaying negative prices
February 9th, 2022 Release
Features and Improvements
Features:
Capacity market program season is set with monthly price; storage must not remain at 100% state of charge during the
entire season.
Sample file
Display storage assumptions in the inputs and results views
PVsyst import enhancements
Enhancements to results views to report on Time of Delivery Power Purchase Agreement
January 27th, 2022 Release
Features and Improvements
Features:
Ability to import a custom storage file (.xml format)
Ability to have random events for capacity market events correlate with high prices periods
Additional results view and export capability for the ‘Pro Forma’ information
January 1, 2022 Core Features of General Availability Release