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Swap pv-battery FOM configurations from ptc to ITC#2240

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update_itc_ptc_defaults_battery
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Swap pv-battery FOM configurations from ptc to ITC#2240
brtietz wants to merge 1 commit into
developfrom
update_itc_ptc_defaults_battery

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@brtietz

@brtietz brtietz commented Jul 1, 2026

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Pull Request Template

Description

Swap PTC to ITC for batteries

Corresponding branches and PRs:

Develop for other branches

Unit Test Impact:

Updated test_script_ow.lk results for attached defaults changes

Checklist

  • requires help revision and I added that label
  • adds, removes, modifies, or deletes variables in existing compute modules
  • adds a new compute module
  • changes defaults
  • I've tagged this PR to a milestone

Reminders- this section can be deleted

[Checking for PySAM Incompatible API Changes]
(https://github.com/NREL/SAM/wiki/PySAM-Incompatible-API-Changes-&-Regenerating-PySAM-Files).

[When do the PySAM files need to be regenerated?]
(https://github.com/NREL/SAM/wiki/PySAM-Incompatible-API-Changes-&-Regenerating-PySAM-Files#when-do-the-pysam-files-need-to-be-regenerated-via-export_config)

@brtietz brtietz self-assigned this Jul 1, 2026
@brtietz brtietz added financial Financial model dev bug Internal bug that should not be included in release notes labels Jul 1, 2026

@cpaulgilman cpaulgilman left a comment

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There are some issues here. For example:

PVWatts-Battery / Single Owner has the ITC percentage assigned to Federal Amount instead of Federal Percentage:

Image

Custom Generation-Battery / TPO Host-Developer has ITC percentages set to zero.

I will try to fix these before the release.

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2 participants