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Clarify multiple IV curve requirement for Sandia fitting methods #2883

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Clarify multiple IV curve requirement for Sandia fitting methods #2883

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75e5541
docs: clarify multiple IV curve requirement for Sandia fits
anshurajbisoyi98-ctrl Oct 4, 2026
d0c2a5e
docs: remove redundant IV curve wording
anshurajbisoyi98-ctrl Oct 4, 2026
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5 changes: 5 additions & 0 deletions docs/sphinx/source/whatsnew/v0.16.2.rst
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Expand Up @@ -23,6 +23,10 @@ Enhancements
Documentation
~~~~~~~~~~~~~

* Clarify that :py:func:`pvlib.ivtools.sdm.fit_pvsyst_sandia` and
:py:func:`pvlib.ivtools.sdm.fit_desoto_sandia` require multiple IV curves.
(:issue:`1715`)


Testing
~~~~~~~
Expand All @@ -43,3 +47,4 @@ Maintenance
Contributors
~~~~~~~~~~~~

* :ghuser:`anshurajbisoyi98-ctrl`
3 changes: 3 additions & 0 deletions pvlib/ivtools/sdm/desoto.py
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Expand Up @@ -221,6 +221,9 @@ def fit_desoto_sandia(ivcurves, specs, const=None, maxiter=5, eps1=1.e-3):
"""
Estimate parameters for the De Soto module performance model.

Requires multiple IV curves measured at different effective irradiance
and cell temperature conditions.

Parameters
----------
ivcurves : dict
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3 changes: 3 additions & 0 deletions pvlib/ivtools/sdm/pvsyst.py
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Expand Up @@ -25,6 +25,9 @@ def fit_pvsyst_sandia(ivcurves, specs, const=None, maxiter=5, eps1=1.e-3):
"""
Estimate parameters for the PVsyst module performance model.

Requires multiple IV curves measured at different effective irradiance
and cell temperature conditions.

Parameters
----------
ivcurves : dict
Expand Down