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Don't display incorrect SAM Economic Models ITC [v3.9.40] #88

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Merged
merged 2 commits into from
Jul 26, 2025

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@softwareengineerprogrammer softwareengineerprogrammer commented Jul 25, 2025

Description

Workaround for NREL#404: skip displaying the ITC value for SAM Economic Models because it can be/probably is usually mathematically inaccurate, and even if it's not, it's redundant with the cash flow profile and also misleading/confusing/wrong to display it as a capital cost since it is not a capital expenditure.

For example Fervo_Project_Cape-4 displays ITC as $-688.54M but the probably-corresponding line item in cash flow is $791,817,681:
image

Testing & Verification

Regenerated impacted example unit tests: Fervo_Project_Cape-4, example_SAM-single-owner-PPA, & example_SAM-single-owner-PPA-2. Their results remain the same except for the removal of the Investment Tax Credit output field.

@softwareengineerprogrammer softwareengineerprogrammer added the bug Something isn't working label Jul 25, 2025
@softwareengineerprogrammer softwareengineerprogrammer changed the title Hide SAM Economic Models ITC Hide SAM Economic Models ITC [v3.9.40] Jul 25, 2025
@softwareengineerprogrammer softwareengineerprogrammer changed the title Hide SAM Economic Models ITC [v3.9.40] Don't display incorrect SAM Economic Models ITC [v3.9.40] Jul 25, 2025
@softwareengineerprogrammer softwareengineerprogrammer merged commit 78711a3 into redrilling-costs-fixup Jul 26, 2025
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@softwareengineerprogrammer softwareengineerprogrammer deleted the hide-sam-em-itc branch July 26, 2025 02:45
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