.. currentmodule:: pvlib PV System Models Sandia array performance model (SAPM) .. autosummary:: :toctree: ../generated/ pvsystem.sapm pvsystem.sapm_effective_irradiance pvsystem.sapm_spectral_loss spectrum.spectral_factor_sapm inverter.sandia temperature.sapm_cell PVsyst model .. autosummary:: :toctree: ../generated/ temperature.pvsyst_cell pvsystem.calcparams_pvsyst pvsystem.singlediode ivtools.sdm.pvsyst_temperature_coeff pvsystem.dc_ohms_from_percent pvsystem.dc_ohmic_losses PVWatts model .. autosummary:: :toctree: ../generated/ pvsystem.pvwatts_dc inverter.pvwatts pvsystem.pvwatts_losses ADR model .. autosummary:: :toctree: ../generated/ pvarray.pvefficiency_adr pvarray.fit_pvefficiency_adr PVGIS model .. autosummary:: :toctree: ../generated/ pvarray.huld pvarray.fit_huld