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Hybrids Depreciation Allocation defaults do not match other models #1829

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brtietz opened this issue Aug 2, 2024 · 3 comments
Closed

Hybrids Depreciation Allocation defaults do not match other models #1829

brtietz opened this issue Aug 2, 2024 · 3 comments
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@brtietz
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brtietz commented Aug 2, 2024

Hybrids depreciation defaults as of the release candidate for 2023-12-17-r2:

image

As compared to PVWatts-Single Owner:

image

Consider updating to match. (PV-Battery-Fuel cell matches the other hybrids)

Additional consideration: anything with "generic system" probably shouldn't have assets qualify. Consider if this case should have different default allocations.

@brtietz brtietz added the bug label Aug 2, 2024
@cpaulgilman
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The default allocations are based on a utility-scale PV system (based on work done in 2011). I'm not sure if they would be appropriate for a hybrid system or other types of systems. Assuming 100% 5-yr MACRS allocation is a simplification, but may be appropriate when more information is not available.

@brtietz
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brtietz commented Aug 2, 2024

My other concern is that the ITC qualification box is unchecked in a case where there are eligible assets. Perhaps the fix is just to check the ITC box?

@brtietz
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brtietz commented Sep 23, 2024

Consolidated in #1855

@brtietz brtietz closed this as not planned Won't fix, can't repro, duplicate, stale Sep 23, 2024
@brtietz brtietz removed this from the SAM Fall 2024 Release milestone Sep 23, 2024
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