NREL-PySAM 2.2.4

National Renewable Energy Laboratory's System Advisor Model Python Wrapper

Release Notes

Version 2.2.4, Aug 20, 2021 ~ SAM 2020.11.29, Revision 2, SSC Version 259

• Fix bug in Battery LMO/LTO life model
• Fix a few cost defaults for PV PPA-model configuration
• Clean up PhysicalTroughProcessHeat inputs

Version 2.2.3, July 22, 2021 ~ SAM 2020.11.29 Revision 2, SSC Version

• Fix ResourceTools solar resource download bug (#86)
• Update Models.rst and module docs
• New analytic battery life model for LMO/LTO chemistry
• Updates and Examples for WaveFileReader (#87)
• Fix bug in 5-min PV files (#88)
• Add replace function for Module and Module's Groups (#93)
• SAM Release updates for Version 2020.11.29 Revision 2

Version 2.2.2, Mar 19, 2021 ~ SAM 2020.11.29 Revision 1, SSC Version 253

• Add unassign function to modules (#65)
• Fix mypy errors in stubs (#47)
• Fix BatteryStateful bugs: memory leak; unintialized pointer in some constructors; fix setup error messaging (#67)
• BatteryStateful features: ability to use adaptive timestep in simulation; speed up execution; Smith 2017 Life Model
• Voltage cutoff feature for battery model (Battery & BatteryStateful)
• Battery sizing tool can use per-module scaling for surface area (#77)
• Updates to ResourceTools for weather download (#53, #50)
• Leap year 2/29 date is now acceptable
• Fix docs for TcsMoltenSalt (#66)
• Update Import from SAM GUI example to use "PySAM JSON" option in Generate Code
• Better error messaging (#74)
• SAM Release updates for Version 2020.11.29 Revision 1

Version 2.2.0, Dec 2, 2020 ~ SAM 2020.11.29, SSC Version 250

• SAM Release updates for Version 2020.11.29
• Rename StandAloneBattery to Battery
• New module: BatteryStateful with 3 defaults: NMCGraphite, LFPGraphite, LeadAcid
• BatteryTools functions for switching chemistries
• Update Docs to show list of interdependent variables at beginning
• All changes from 2.1.5.devx versions
• First PySAM package for Python 3.9

Version 2.1.5.dev3, Sep 3, 2020 ~ SAM 2020.2.29 r3, SSC Version 242

• Price Signals Dispatch
• Bug fix in PVWattsBatteryCommercial and PVBatteryCommercial incentives defaults

Version 2.1.5.dev2, Aug 10, 2020 ~ SAM 2020.2.29 r3, SSC Version 242

• BatteryStateful bug fixes: current

Version 2.1.5.dev1, Aug 3, 2020 ~ SAM 2020.2.29 r3, SSC Version 242

• BatteryStateful bug fixes: thermal, voltage
• Stub files syntax fix

Version 2.1.5, July 7, 2020 ~ SAM 2020.2.29 r2, SSC Version 240

• Updates to enable non-annual (single timestep or multiple, non-8760 timestep) simulations via weather input data (NOT weather files) for both pvsamv1 and pvwattsv7
• Vanadium Redox Flow battery bug fix
• Transformer loss units bug fix

Version 2.1.4, June 8, 2020 ~ SAM 2020.2.29 r2, SSC Version 240

• Pvwattsv5_1ts bug fix
• Self-shading calculation speed-up for Pvwattsv7, Pvsamv1 & Pvwattsv5

Version 2.1.3, May 29, 2020 ~ SAM 2020.2.29 r2, SSC Version 240

• SAM Release fixes for revision 2

Version 2.1.1, May 15, 2020 ~ SAM 2020.2.29 r1, SSC Version 238

• reopt size post bug
• ssc_sim_from_dict bug fix
• Version attribute: PySAM.__version__
• URDBv7 in ResourceTools bug fix
• ResourceFetcher for WindToolKit and National Solar Radiation Database downloads
• case-insensitive default configuration names
• Generic Exception replaces PySAM.Error for easier MP debugging

Version 2.0.2, Jan 27, 2020 ~ SAM 2020.2.x, SSC Version 233

• All new functions and models in latest SAM Release
• New functions (Reopt_size_batter_post, value, from_existing)
• Chaining cmods together
• Get variable by a name without knowing group, list all variables
• New Tools section (BatteryTools, ResourceTools)
• Easy way to create wind or solar data
• Battery sizing
• All compute modules to PySAM
• Major reorganization of variable groups
• Bug fixes
• fopen defaults
• turbine powercurve
• Documentation features
• Downstream and upstream variable suggestions
• Examples page

Version 1.2.dev3, August 21, 2019 ~ SAM 2018.11.11.3, SSC Version 211

• Wind PRUF framework
• Wind resource distribution
• Physical Trough reorganization
• Grid compute module
• Marine hydrokinetic compute module
• Supercritical CO2 compute modules
• Geothermal output names
• Documentation: Variable requirement
• Stubs: Added AdjustmentmentFactors

Version 1.2.1, April 26, 2019 ~ SAM 2018.11.11.3, SSC Version 209

• SSC using doubles
• Tcs_moltensalt RADCOOL group
• Stub files and .rst files for readthedocs
• Documentation updates

Version 1.1, April 15, 2019 ~ SAM 2018.11.11.3, SSC Version 208

• Group all modules under PySAM namespace
• Defaults for technology and financial models according to SAM GUI configurations
• Include PySSC with dictionary functions as subpackage
• Remove AdjustmentFactors group from non-technology modules
• Fix custom exception for use with multiprocessing package
• Documentation updates